1-version upload system

.env

@@ -1,4 +1,24 @@
+SECRET_KEY=6c9d28c778888d3fc7c459155e6593f8
+
+# 邮箱配置
+EMAIL_HOST=mail.sq0715.com
+EMAIL_PORT=465
+MAIL_USE_SSL=True
+EMAIL_USERNAME=vip@sq0715.com
+EMAIL_PASSWORD=Lsq12350501.
+EMAIL_FROM_NAME=Qin
+EMAIL_FROM=vip@sq0715.com
+
+# AWS 配置
 AWS_ACCESS_KEY_ID=AKIAZQ3DT3KLI6N5LQUM
 AWS_SECRET_ACCESS_KEY=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
 AWS_REGION=ap-northeast-1
-S3_BUCKET_NAME=sure-ae-upload
+S3_BUCKET_NAME=qin-test-file-system
+
+# MySQL 配置
+MYSQL_HOST=8.218.165.242
+MYSQL_USER=sure_001
+MYSQL_PASSWORD=EKKWLMmrGmG7sdPf
+MYSQL_DB=sure_001
+
+

.idea/.name

@@ -0,0 +1 @@
+app.py

.idea/AWS-sure.iml

@@ -4,7 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/venv/lib/python3.10/site-packages" />
     </content>
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="Python 3.11" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

.idea/misc.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (AWS-sure)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11" project-jdk-type="Python SDK" />
 </project>

app.py

@@ -1,223 +1,50 @@
-from flask import Flask, request, jsonify, send_from_directory, make_response, send_file
+from flask import Flask, request, jsonify, redirect, url_for, render_template, session, make_response
 from flask_cors import CORS
-import boto3
-from botocore.exceptions import NoCredentialsError, ClientError, EndpointConnectionError
-import os
+from flask_mail import Mail
+from flask_bcrypt import Bcrypt
+from flask_session import Session
 from dotenv import load_dotenv
+import os
 import logging
-import datetime
-import pytz
-from botocore.client import Config
-import csv
-import pandas as pd
+import app_function  # 引入新的文件
+
+# 载入环境变量
+load_dotenv()
+
+# 初始化 Flask 应用
+app = Flask(__name__, static_url_path='', static_folder='.')
+CORS(app, resources={r"/*": {"origins": "*", "methods": "GET,POST,PUT,DELETE,OPTIONS"}})
+bcrypt = Bcrypt(app)
+
+# 确保 SECRET_KEY 被设置
+app.secret_key = os.getenv('SECRET_KEY', 'you_will_never_guess')
+app.config['SESSION_TYPE'] = 'filesystem'
+app.config['SESSION_PERMANENT'] = False
+Session(app)
+
+
+
+# 配置邮件
+app.config.update(
+    MAIL_SERVER=os.getenv('EMAIL_HOST'),
+    MAIL_PORT=os.getenv('EMAIL_PORT'),
+    MAIL_USE_SSL=True,
+    MAIL_USERNAME=os.getenv('EMAIL_USERNAME'),
+    MAIL_PASSWORD=os.getenv('EMAIL_PASSWORD'),
+    MAIL_DEFAULT_SENDER=(os.getenv('EMAIL_FROM_NAME'), os.getenv('EMAIL_FROM'))
+)
+mail = Mail(app)
 
-# 配置日志
 logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
 
-load_dotenv()  # 从.env文件加载环境变量
-
-app = Flask(__name__, static_url_path='', static_folder='.')
-CORS(app, resources={r"/*": {"origins": "*", "methods": "GET,POST,PUT,DELETE,OPTIONS"}})  # 添加 CORS 支持
-
-aws_access_key_id = os.getenv('AWS_ACCESS_KEY_ID')
-aws_secret_access_key = os.getenv('AWS_SECRET_ACCESS_KEY')
-region_name = os.getenv('AWS_REGION')
-bucket_name = os.getenv('S3_BUCKET_NAME')
-
-# 打印环境变量 (仅用于调试，生产环境中请移除)
-print(f"AWS_ACCESS_KEY_ID: {aws_access_key_id}")
-print(f"AWS_SECRET_ACCESS_KEY: {'*' * len(aws_secret_access_key) if aws_secret_access_key else 'Not set'}")
-print(f"AWS_REGION: {region_name}")
-print(f"S3_BUCKET_NAME: {bucket_name}")
-
-s3_client = boto3.client(
-    's3',
-    aws_access_key_id=aws_access_key_id,
-    aws_secret_access_key=aws_secret_access_key,
-    region_name=region_name,
-    config=Config(signature_version='s3v4')  # 使用 S3v4 签名版本
-)
-
-# 跟踪学生提交信息
-submissions_file = 'submissions.csv'
-
-# 创建或者加载提交文件
-if not os.path.exists(submissions_file):
-    with open(submissions_file, 'w', newline='') as file:
-        writer = csv.writer(file)
-        writer.writerow(['ID', '学生姓名', '学号', '作业', '提交的文件'])
-
-
-def add_submission(student, student_id, assignment, filename):
-    with open(submissions_file, 'a', newline='') as file:
-        writer = csv.writer(file)
-        writer.writerow([datetime.datetime.now().isoformat(), student, student_id, assignment, filename])
-
-
-def generate_presigned_url(object_key, content_type, expiration=3600):
-    try:
-        current_time = datetime.datetime.now(pytz.UTC)
-        logging.info(f"Current UTC time before generating URL: {current_time}")
-
-        response = s3_client.generate_presigned_url('put_object',
-                                                    Params={
-                                                        'Bucket': bucket_name,
-                                                        'Key': object_key,
-                                                        'ContentType': content_type
-                                                    },
-                                                    ExpiresIn=expiration,
-                                                    HttpMethod='PUT'
-                                                    )
-        logging.info(f"Generated presigned URL: {response}")
-        return response
-    except (NoCredentialsError, ClientError, EndpointConnectionError) as e:
-        logging.error(f"Error generating presigned URL: {str(e)}", exc_info=True)
-        return None
-
-
-@app.route('/generate-url', methods=['GET'])
-def get_presigned_url():
-    student = request.args.get('student')
-    student_id = request.args.get('student_id')
-    filename = request.args.get('filename')
-    content_type = request.args.get('content_type', 'application/octet-stream')
-    assignment = request.args.get('assignment')
-    logging.info(
-        f"Received request for student: {student}, student_id: {student_id}, filename: {filename}, content_type: {content_type}, assignment: {assignment}")
-
-    if not student or not filename or not student_id or not assignment:
-        logging.warning("Missing student, student_id, assignment or filename parameter")
-        return jsonify({'error': 'Student, student_id, assignment and filename parameters are required'}), 400
-
-    folder_name = f'sure_homework_define_by_qin/{assignment}'
-    new_filename = f'{student}_{student_id}_{filename}'
-    object_key = f'{folder_name}/{new_filename}'
-
-    url = generate_presigned_url(object_key, content_type)
-    if not url:
-        logging.error("Failed to generate presigned URL")
-        return jsonify({'error': 'Failed to generate presigned URL'}), 500
-
-    return jsonify({'url': url, 'content_type': content_type})
-
-
-@app.route('/record-submission', methods=['POST'])
-def record_submission():
-    data = request.json
-    student = data.get('student')
-    student_id = data.get('student_id')
-    assignment = data.get('assignment')
-    filename = data.get('filename')
-
-    if not student or not filename or not student_id or not assignment:
-        return jsonify({'error': 'Student, student_id, assignment and filename parameters are required'}), 400
-
-    add_submission(student, student_id, assignment, filename)
-
-    return jsonify({'status': 'success'})
-
-
-@app.route('/')
-def serve_index():
-    return send_from_directory('.', 'index.html')
-
-
-@app.route('/health')
-def health_check():
-    logging.info("Health check initiated")
-    try:
-        local_time = datetime.datetime.now()
-        utc_time = datetime.datetime.now(pytz.UTC)
-        logging.info(f"Local time: {local_time}, UTC time: {utc_time}")
-
-        logging.info("Attempting to list S3 buckets")
-        response = s3_client.list_buckets()
-        logging.info(f"Successfully listed buckets: {[bucket['Name'] for bucket in response['Buckets']]}")
-        return jsonify({
-            'status': 'healthy',
-            'message': 'AWS credentials are valid',
-            'local_time': local_time.isoformat(),
-            'utc_time': utc_time.isoformat()
-        }), 200
-    except NoCredentialsError:
-        logging.error("AWS credentials not found", exc_info=True)
-        return jsonify({'status': 'unhealthy', 'message': 'AWS credentials not found'}), 500
-    except ClientError as e:
-        error_code = e.response['Error']['Code']
-        error_message = e.response['Error']['Message']
-        logging.error(f"AWS client error: {error_code} - {error_message}", exc_info=True)
-        return jsonify({'status': 'unhealthy', 'message': f'AWS client error: {error_code} - {error_message}'}), 500
-    except Exception as e:
-        logging.error(f"Unexpected error during health check: {str(e)}", exc_info=True)
-        return jsonify({'status': 'unhealthy', 'message': f'Unexpected error: {str(e)}'}), 500
-
-
-@app.route('/download-submissions')
-def download_submissions():
-    try:
-        # 使用 csv 模块读取文件，这样可以处理不一致的行
-        with open(submissions_file, 'r', newline='') as file:
-            csv_reader = csv.reader(file)
-            headers = next(csv_reader)  # 读取标题行
-            data = list(csv_reader)  # 读取所有数据行
-
-        # 确定最大列数
-        max_columns = max(len(headers), max(len(row) for row in data))
-
-        # 创建一个新的数据列表，确保每行都有相同数量的列
-        normalized_data = []
-        for row in data:
-            normalized_data.append(row + [''] * (max_columns - len(row)))
-
-        # 创建 DataFrame
-        df = pd.DataFrame(normalized_data, columns=headers + [''] * (max_columns - len(headers)))
-
-        # 重命名列（如果需要）
-        expected_columns = ['ID', '学生姓名', '学号', '作业', '提交的文件']
-        df.columns = expected_columns + [f'额外列{i+1}' for i in range(len(df.columns) - len(expected_columns))]
-
-        # 删除完全为空的行和列
-        df = df.dropna(how='all', axis=0).dropna(how='all', axis=1)
-
-        output_file = 'submissions.xlsx'
-        df.to_excel(output_file, index=False)
-        return send_file(output_file, as_attachment=True)
-    except Exception as e:
-        logging.error(f"Error in download_submissions: {str(e)}", exc_info=True)
-        return jsonify({'error': str(e)}), 500
-
+# 添加路由
+app_function.add_admin_routes(app, mail, bcrypt)
+app_function.add_teacher_routes(app, mail, bcrypt)
 
 @app.before_request
 def before_request_func():
     if request.method == 'OPTIONS':
-        return _build_cors_preflight_response()
-
-
-def _build_cors_preflight_response():
-    response = make_response()
-    response.headers.add("Access-Control-Allow-Origin", "*")
-    response.headers.add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
-    response.headers.add("Access-Control-Allow-Headers", "Content-Type")
-    return response
-
+        return app_function._build_cors_preflight_response()
 
 if __name__ == '__main__':
-    local_time = datetime.datetime.now()
-    utc_time = datetime.datetime.now(pytz.UTC)
-    logging.info(f"Application starting. Local time: {local_time}, UTC time: {utc_time}")
-
-    try:
-        logging.info("Validating AWS credentials on startup")
-        sts = boto3.client('sts',
-                           aws_access_key_id=aws_access_key_id,
-                           aws_secret_access_key=aws_secret_access_key,
-                           region_name=region_name)
-        response = sts.get_caller_identity()
-        logging.info(f"AWS credentials validated successfully. Account ID: {response['Account']}")
-    except Exception as e:
-        logging.error(f"Failed to validate AWS credentials: {str(e)}", exc_info=True)
-        # 如果你想在凭证验证失败时退出程序，取消注释下面两行
-        # import sys
-        # sys.exit(1)
-
     app.run(debug=True)

app.txt

@@ -1,223 +0,0 @@
-from flask import Flask, request, jsonify, send_from_directory, make_response, send_file
-from flask_cors import CORS
-import boto3
-from botocore.exceptions import NoCredentialsError, ClientError, EndpointConnectionError
-import os
-from dotenv import load_dotenv
-import logging
-import datetime
-import pytz
-from botocore.client import Config
-import csv
-import pandas as pd
-
-# 配置日志
-logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
-
-load_dotenv()  # 从.env文件加载环境变量
-
-app = Flask(__name__, static_url_path='', static_folder='.')
-CORS(app, resources={r"/*": {"origins": "*", "methods": "GET,POST,PUT,DELETE,OPTIONS"}})  # 添加 CORS 支持
-
-aws_access_key_id = os.getenv('AWS_ACCESS_KEY_ID')
-aws_secret_access_key = os.getenv('AWS_SECRET_ACCESS_KEY')
-region_name = os.getenv('AWS_REGION')
-bucket_name = os.getenv('S3_BUCKET_NAME')
-
-# 打印环境变量 (仅用于调试，生产环境中请移除)
-print(f"AWS_ACCESS_KEY_ID: {aws_access_key_id}")
-print(f"AWS_SECRET_ACCESS_KEY: {'*' * len(aws_secret_access_key) if aws_secret_access_key else 'Not set'}")
-print(f"AWS_REGION: {region_name}")
-print(f"S3_BUCKET_NAME: {bucket_name}")
-
-s3_client = boto3.client(
-    's3',
-    aws_access_key_id=aws_access_key_id,
-    aws_secret_access_key=aws_secret_access_key,
-    region_name=region_name,
-    config=Config(signature_version='s3v4')  # 使用 S3v4 签名版本
-)
-
-# 跟踪学生提交信息
-submissions_file = 'submissions.csv'
-
-# 创建或者加载提交文件
-if not os.path.exists(submissions_file):
-    with open(submissions_file, 'w', newline='') as file:
-        writer = csv.writer(file)
-        writer.writerow(['ID', '学生姓名', '学号', '作业', '提交的文件'])
-
-
-def add_submission(student, student_id, assignment, filename):
-    with open(submissions_file, 'a', newline='') as file:
-        writer = csv.writer(file)
-        writer.writerow([datetime.datetime.now().isoformat(), student, student_id, assignment, filename])
-
-
-def generate_presigned_url(object_key, content_type, expiration=3600):
-    try:
-        current_time = datetime.datetime.now(pytz.UTC)
-        logging.info(f"Current UTC time before generating URL: {current_time}")
-
-        response = s3_client.generate_presigned_url('put_object',
-                                                    Params={
-                                                        'Bucket': bucket_name,
-                                                        'Key': object_key,
-                                                        'ContentType': content_type
-                                                    },
-                                                    ExpiresIn=expiration,
-                                                    HttpMethod='PUT'
-                                                    )
-        logging.info(f"Generated presigned URL: {response}")
-        return response
-    except (NoCredentialsError, ClientError, EndpointConnectionError) as e:
-        logging.error(f"Error generating presigned URL: {str(e)}", exc_info=True)
-        return None
-
-
-@app.route('/generate-url', methods=['GET'])
-def get_presigned_url():
-    student = request.args.get('student')
-    student_id = request.args.get('student_id')
-    filename = request.args.get('filename')
-    content_type = request.args.get('content_type', 'application/octet-stream')
-    assignment = request.args.get('assignment')
-    logging.info(
-        f"Received request for student: {student}, student_id: {student_id}, filename: {filename}, content_type: {content_type}, assignment: {assignment}")
-
-    if not student or not filename or not student_id or not assignment:
-        logging.warning("Missing student, student_id, assignment or filename parameter")
-        return jsonify({'error': 'Student, student_id, assignment and filename parameters are required'}), 400
-
-    folder_name = f'sure_homework_define_by_qin/{assignment}'
-    new_filename = f'{student}_{student_id}_{filename}'
-    object_key = f'{folder_name}/{new_filename}'
-
-    url = generate_presigned_url(object_key, content_type)
-    if not url:
-        logging.error("Failed to generate presigned URL")
-        return jsonify({'error': 'Failed to generate presigned URL'}), 500
-
-    return jsonify({'url': url, 'content_type': content_type})
-
-
-@app.route('/record-submission', methods=['POST'])
-def record_submission():
-    data = request.json
-    student = data.get('student')
-    student_id = data.get('student_id')
-    assignment = data.get('assignment')
-    filename = data.get('filename')
-
-    if not student or not filename or not student_id or not assignment:
-        return jsonify({'error': 'Student, student_id, assignment and filename parameters are required'}), 400
-
-    add_submission(student, student_id, assignment, filename)
-
-    return jsonify({'status': 'success'})
-
-
-@app.route('/')
-def serve_index():
-    return send_from_directory('.', 'index.html')
-
-
-@app.route('/health')
-def health_check():
-    logging.info("Health check initiated")
-    try:
-        local_time = datetime.datetime.now()
-        utc_time = datetime.datetime.now(pytz.UTC)
-        logging.info(f"Local time: {local_time}, UTC time: {utc_time}")
-
-        logging.info("Attempting to list S3 buckets")
-        response = s3_client.list_buckets()
-        logging.info(f"Successfully listed buckets: {[bucket['Name'] for bucket in response['Buckets']]}")
-        return jsonify({
-            'status': 'healthy',
-            'message': 'AWS credentials are valid',
-            'local_time': local_time.isoformat(),
-            'utc_time': utc_time.isoformat()
-        }), 200
-    except NoCredentialsError:
-        logging.error("AWS credentials not found", exc_info=True)
-        return jsonify({'status': 'unhealthy', 'message': 'AWS credentials not found'}), 500
-    except ClientError as e:
-        error_code = e.response['Error']['Code']
-        error_message = e.response['Error']['Message']
-        logging.error(f"AWS client error: {error_code} - {error_message}", exc_info=True)
-        return jsonify({'status': 'unhealthy', 'message': f'AWS client error: {error_code} - {error_message}'}), 500
-    except Exception as e:
-        logging.error(f"Unexpected error during health check: {str(e)}", exc_info=True)
-        return jsonify({'status': 'unhealthy', 'message': f'Unexpected error: {str(e)}'}), 500
-
-
-@app.route('/download-submissions')
-def download_submissions():
-    try:
-        # 使用 csv 模块读取文件，这样可以处理不一致的行
-        with open(submissions_file, 'r', newline='') as file:
-            csv_reader = csv.reader(file)
-            headers = next(csv_reader)  # 读取标题行
-            data = list(csv_reader)  # 读取所有数据行
-
-        # 确定最大列数
-        max_columns = max(len(headers), max(len(row) for row in data))
-
-        # 创建一个新的数据列表，确保每行都有相同数量的列
-        normalized_data = []
-        for row in data:
-            normalized_data.append(row + [''] * (max_columns - len(row)))
-
-        # 创建 DataFrame
-        df = pd.DataFrame(normalized_data, columns=headers + [''] * (max_columns - len(headers)))
-
-        # 重命名列（如果需要）
-        expected_columns = ['ID', '学生姓名', '学号', '作业', '提交的文件']
-        df.columns = expected_columns + [f'额外列{i+1}' for i in range(len(df.columns) - len(expected_columns))]
-
-        # 删除完全为空的行和列
-        df = df.dropna(how='all', axis=0).dropna(how='all', axis=1)
-
-        output_file = 'submissions.xlsx'
-        df.to_excel(output_file, index=False)
-        return send_file(output_file, as_attachment=True)
-    except Exception as e:
-        logging.error(f"Error in download_submissions: {str(e)}", exc_info=True)
-        return jsonify({'error': str(e)}), 500
-
-
-@app.before_request
-def before_request_func():
-    if request.method == 'OPTIONS':
-        return _build_cors_preflight_response()
-
-
-def _build_cors_preflight_response():
-    response = make_response()
-    response.headers.add("Access-Control-Allow-Origin", "*")
-    response.headers.add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
-    response.headers.add("Access-Control-Allow-Headers", "Content-Type")
-    return response
-
-
-if __name__ == '__main__':
-    local_time = datetime.datetime.now()
-    utc_time = datetime.datetime.now(pytz.UTC)
-    logging.info(f"Application starting. Local time: {local_time}, UTC time: {utc_time}")
-
-    try:
-        logging.info("Validating AWS credentials on startup")
-        sts = boto3.client('sts',
-                           aws_access_key_id=aws_access_key_id,
-                           aws_secret_access_key=aws_secret_access_key,
-                           region_name=region_name)
-        response = sts.get_caller_identity()
-        logging.info(f"AWS credentials validated successfully. Account ID: {response['Account']}")
-    except Exception as e:
-        logging.error(f"Failed to validate AWS credentials: {str(e)}", exc_info=True)
-        # 如果你想在凭证验证失败时退出程序，取消注释下面两行
-        # import sys
-        # sys.exit(1)
-
-    app.run(debug=True)

app_function.py

@@ -0,0 +1,781 @@
+from flask import Flask, request, jsonify, redirect, url_for, render_template, session, make_response, flash
+from flask_mail import Mail, Message
+from flask_bcrypt import Bcrypt
+import mysql.connector
+import boto3
+from botocore.client import Config
+import os
+import logging
+import random
+import pandas as pd
+from dotenv import load_dotenv
+from flask import send_file
+import io
+from functools import wraps
+
+load_dotenv()
+bcrypt = Bcrypt()
+
+# 配置 AWS S3
+aws_access_key_id = os.getenv('AWS_ACCESS_KEY_ID')
+aws_secret_access_key = os.getenv('AWS_SECRET_ACCESS_KEY')
+region_name = os.getenv('AWS_REGION')
+bucket_name = os.getenv('S3_BUCKET_NAME')
+s3_client = boto3.client(
+    's3',
+    aws_access_key_id=aws_access_key_id,
+    aws_secret_access_key=aws_secret_access_key,
+    region_name=region_name,
+    config=Config(signature_version='s3v4')
+)
+
+# 数据库连接函数
+def get_db_connection():
+    return mysql.connector.connect(
+        host=os.getenv('MYSQL_HOST'),
+        user=os.getenv('MYSQL_USER'),
+        password=os.getenv('MYSQL_PASSWORD'),
+        database=os.getenv('MYSQL_DB')
+    )
+
+# 验证学生身份
+def validate_student(student_id, password, bcrypt):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM students WHERE id = %s', (student_id,))
+    student = cursor.fetchone()
+    cursor.close()
+    conn.close()
+    if student and bcrypt.check_password_hash(student['password'], password):
+        return student
+    return None
+
+# 验证管理员身份
+def validate_admin(username, password):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM administrators WHERE username = %s', (username,))
+    admin = cursor.fetchone()
+    cursor.close()
+    conn.close()
+
+    if admin and bcrypt.check_password_hash(admin['password'], password):
+        return admin
+    return None
+
+# 验证教师身份
+def validate_teacher(email, password, bcrypt):
+    conn = get_db_connection()  # 或者其他方法来获取数据库连接
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM teachers WHERE email = %s', (email,))
+    teacher = cursor.fetchone()
+    cursor.close()
+    conn.close()
+
+    if teacher and bcrypt.check_password_hash(teacher['password'], password):
+        return teacher
+    return None
+
+def fetch_all_departments():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM departments')
+    departments = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return departments
+
+def fetch_all_grades():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM grades')
+    grades = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return grades
+
+def fetch_all_classes():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM classes')
+    classes = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return classes
+
+def fetch_all_teachers():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM teachers')
+    teachers = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return teachers
+
+def fetch_teacher_classes(teacher_id):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+
+    # 假设每个教师和班级的关联存储在一个中间表 `class_teacher` 中
+    cursor.execute('''
+        SELECT c.id, c.name FROM classes c
+        JOIN class_teacher ct ON c.id = ct.class_id
+        WHERE ct.teacher_id = %s
+    ''', (teacher_id,))
+
+    classes = cursor.fetchall()
+
+    cursor.close()
+    conn.close()
+    return classes
+
+def fetch_class_assignments(class_id):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    pivot_query = '''
+        SELECT * FROM assignments
+        WHERE class_id = %s
+    '''
+    cursor.execute(pivot_query, (class_id,))
+    assignments = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return assignments
+
+
+def fetch_class_students(class_id):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+
+    # 查询属于给定class_id的所有学生
+    cursor.execute('''
+        SELECT * FROM students
+        WHERE class_id = %s
+    ''', (class_id,))
+
+    students = cursor.fetchall()
+
+    cursor.close()
+    conn.close()
+    return students
+
+
+# 添加到提交历史表
+def add_to_submission_history(student_id, assignment_id, filename):
+    conn = get_db_connection()
+    cursor = conn.cursor()
+    cursor.execute(
+        'INSERT INTO submission_history (student_id, assignment_id, filename, submit_date) VALUES (%s, %s, %s, NOW())',
+        (student_id, assignment_id, filename)
+    )
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+# 添加或更新作业提交记录
+def add_or_update_submission(student_id, assignment_id, filename, code_verified=False):
+    add_to_submission_history(student_id, assignment_id, filename)  # 保留历史记录
+
+    conn = get_db_connection()
+    cursor = conn.cursor()
+    if code_verified:
+        cursor.execute(
+            'UPDATE submissions SET submit_date = NOW(), filename = %s WHERE student_id = %s AND assignment_id = %s',
+            (filename, student_id, assignment_id))
+    else:
+        cursor.execute(
+            'INSERT INTO submissions (student_id, assignment_id, filename, submit_date) VALUES (%s, %s, %s, NOW())',
+            (student_id, assignment_id, filename))
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+# 生成预签名URL
+def generate_presigned_url(object_key, content_type, expiration=3600):
+    try:
+        url = s3_client.generate_presigned_url(
+            'put_object',
+            Params={'Bucket': bucket_name, 'Key': object_key, 'ContentType': content_type},
+            ExpiresIn=expiration
+        )
+        return url
+    except Exception as e:
+        logging.error(f"Failed to generate presigned URL: {str(e)}")
+        return None
+
+# 添加管理员路由
+def add_admin_routes(app, mail, bcrypt):
+    # 管理员登录装饰器
+    def admin_required(f):
+        @wraps(f)
+        def decorated_function(*args, **kwargs):
+            if 'admin_id' not in session:
+                return redirect(url_for('admin_login'))
+            return f(*args, **kwargs)
+        return decorated_function
+
+    @app.route('/admin/add_department', methods=['POST'])
+    @admin_required
+    def add_department():
+        name = request.form['name']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO departments (name) VALUES (%s)', (name,))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Department added successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/admin/add_grade', methods=['POST'])
+    @admin_required
+    def add_grade():
+        year = request.form['year']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO grades (year) VALUES (%s)', (year,))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Grade added successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/admin/add_class', methods=['POST'])
+    @admin_required
+    def add_class():
+        name = request.form['name']
+        department_id = request.form['department_id']
+        grade_id = request.form['grade_id']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO classes (name, department_id, grade_id) VALUES (%s, %s, %s)',
+                       (name, department_id, grade_id))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Class added successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/admin/add_teacher', methods=['POST'])
+    @admin_required
+    def add_teacher():
+        name = request.form['name']
+        email = request.form['email']
+        password = bcrypt.generate_password_hash(request.form['password']).decode('utf-8')
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO teachers (name, email, password) VALUES (%s, %s, %s)',
+                       (name, email, password))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Teacher added successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/admin/add_administrator', methods=['POST'])
+    @admin_required
+    def add_administrator():
+        username = request.form['username']
+        password = bcrypt.generate_password_hash(request.form['password']).decode('utf-8')
+        teacher_id = request.form['teacher_id']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO administrators (username, password, teacher_id) VALUES (%s, %s, %s)',
+                       (username, password, teacher_id))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Administrator added successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/admin/assign_teacher', methods=['POST'])
+    @admin_required
+    def assign_teacher():
+        class_id = request.form['class_id']
+        teacher_id = request.form['teacher_id']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO class_teacher (class_id, teacher_id) VALUES (%s, %s)', (class_id, teacher_id))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Teacher assigned to class successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/admin/login', methods=['GET', 'POST'])
+    def admin_login():
+        if request.method == 'POST':
+            username = request.form['username']
+            password = request.form['password']
+            admin = validate_admin(username, password)
+            if admin:
+                session['admin_id'] = admin['id']
+                return redirect(url_for('admin_panel'))
+            else:
+                flash('Invalid credentials', 'error')
+        return render_template('admin_login.html')
+
+    @app.route('/admin/logout')
+    def admin_logout():
+        session.pop('admin_id', None)
+        return redirect(url_for('admin_login'))
+
+    @app.route('/admin/panel')
+    @admin_required
+    def admin_panel():
+        # Retrieve necessary data (e.g., departments, grades, classes, etc.)
+        departments = fetch_all_departments()
+        grades = fetch_all_grades()
+        classes = fetch_all_classes()
+        teachers = fetch_all_teachers()
+        return render_template('admin_panel.html', departments=departments, grades=grades, classes=classes, teachers=teachers)
+
+    @app.route('/admin/add_assignment', methods=['POST'])
+    @admin_required
+    def admin_add_assignment():
+        value = request.form['value']
+        name = request.form['name']
+        deadline = request.form['deadline']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO assignments (value, name, deadline) VALUES (%s, %s, %s)', (value, name, deadline))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Assignment added successfully', 'success')
+        return redirect(url_for('admin_panel'))
+
+    @app.route('/login', methods=['GET', 'POST'])
+    def login():
+        if request.method == 'POST':
+            student_id = request.form.get('student_id')
+            password = request.form.get('password')
+            student = validate_student(student_id, password, bcrypt)
+            if student:
+                session['student_id'] = student['id']
+                session['student_name'] = student['name']
+                return redirect(url_for('serve_index'))
+            else:
+                return render_template('login.html', error='学号或密码错误')
+        return render_template('login.html')
+
+    @app.route('/reset-password', methods=['GET', 'POST'])
+    def reset_password():
+        if request.method == 'POST':
+            student_id = request.form.get('student_id')
+            email = request.form.get('email')
+            code = request.form.get('code')
+            new_password = request.form.get('new_password')
+            if code:
+                if session.get('reset_code') == code and session.get('reset_student_id') == student_id:
+                    conn = get_db_connection()
+                    cursor = conn.cursor()
+                    hashed_password = bcrypt.generate_password_hash(new_password).decode('utf-8')
+                    cursor.execute('UPDATE students SET password = %s WHERE id = %s', (hashed_password, student_id))
+                    conn.commit()
+                    cursor.close()
+                    conn.close()
+                    return render_template('login.html', success='密码已成功重置，请使用新密码登录')
+                else:
+                    return render_template('reset_password.html', error='验证码错误')
+            else:
+                conn = get_db_connection()
+                cursor = conn.cursor(dictionary=True)
+                cursor.execute('SELECT * FROM students WHERE id = %s AND email = %s', (student_id, email))
+                student = cursor.fetchone()
+                cursor.close()
+                conn.close()
+                if student:
+                    reset_code = ''.join(random.choices('0123456789', k=6))
+                    session['reset_code'] = reset_code
+                    session['reset_student_id'] = student_id
+                    try:
+                        msg = Message('重置密码验证码', recipients=[email])
+                        msg.body = f'您用于重置密码的验证码是: {reset_code}'
+                        mail.send(msg)
+                        return render_template('reset_password.html',
+                                               success='验证码已发送到您的邮箱，请检查并输入验证码')
+                    except Exception as e:
+                        logging.error(f"Error sending email: {str(e)}")
+                        return render_template('reset_password.html', error='发送验证码失败，请稍后再试')
+                else:
+                    return render_template('reset_password.html', error='学号和邮箱不匹配')
+        return render_template('reset_password.html')
+
+    @app.route('/record-submission', methods=['POST'])
+    def record_submission():
+        data = request.json
+        student_id = session.get('student_id')
+        student_name = session.get('student_name')
+        assignment = data.get('assignment')
+        filename = data.get('filename')
+
+        if not student_id or not filename or not assignment:
+            return jsonify({'error': 'Student_id, assignment and filename parameters are required'}), 400
+
+        conn = get_db_connection()
+        cursor = conn.cursor(dictionary=True)
+        cursor.execute('SELECT * FROM submissions WHERE student_id = %s AND assignment_id = %s',
+                       (student_id, assignment))
+        submission = cursor.fetchone()
+        cursor.close()
+        conn.close()
+
+        if submission:
+            session['filename'] = filename  # 将文件名保存到session
+            return jsonify({'error': '作业已提交过，需要验证码'}), 401
+
+        # 生成 pre-signed URL 并记录提交
+        new_filename = f'{student_id}_{student_name}_{assignment}'
+        folder_name = f'sure_homework_define_by_qin/{assignment}'
+        object_key = f'{folder_name}/{new_filename}'
+        url = generate_presigned_url(object_key, 'application/octet-stream')
+
+        if not url:
+            logging.error("Failed to generate presigned URL")
+            return jsonify({'error': 'Failed to generate presigned URL'}), 500
+
+        add_or_update_submission(student_id, assignment, filename, code_verified=False)
+        return jsonify({'status': 'success', 'upload_url': url})
+
+    @app.route('/generate-code', methods=['POST'])
+    def generate_code():
+        student_id = session.get('student_id')
+        assignment = request.json.get('assignment')
+
+        conn = get_db_connection()
+        cursor = conn.cursor(dictionary=True)
+        cursor.execute('SELECT email FROM students WHERE id = %s', (student_id,))
+        student = cursor.fetchone()
+        cursor.close()
+        conn.close()
+
+        if not student:
+            return jsonify({'error': '学生信息未找到'}), 404
+
+        email = student['email']
+        reset_code = ''.join(random.choices('0123456789', k=6))
+        session['submission_code'] = reset_code
+        session['submission_student_id'] = student_id
+        session['submission_assignment'] = assignment
+
+        try:
+            msg = Message('提交作业验证码', recipients=[email])
+            msg.body = f'您用于提交作业的验证码是: {reset_code}'
+            mail.send(msg)
+            return jsonify({'status': '验证码已发送到您的邮箱，请检查并输入验证码'})
+        except Exception as e:
+            logging.error(f"Error sending email: {str(e)}")
+            return jsonify({'error': '发送验证码失败，请稍后再试'}), 500
+
+    @app.route('/validate-code', methods=['POST'])
+    def validate_code():
+        request_data = request.json
+        student_id = session.get('student_id')
+        assignment = request_data.get('assignment')
+        code = request_data.get('code')
+
+        if (code == session.get('submission_code') and
+                student_id == session.get('submission_student_id') and
+                assignment == session.get('submission_assignment')):
+
+            filename = session.pop('filename', None)
+            new_filename = f'{student_id}_{session.get("student_name")}_{assignment}'
+            folder_name = f'sure_homework_define_by_qin/{assignment}'
+            object_key = f'{folder_name}/{new_filename}'
+
+            logging.info(f"Generated object_key: {object_key}")
+
+            url = generate_presigned_url(object_key, 'application/octet-stream')
+
+            if not url:
+                logging.error("Failed to generate presigned URL")
+                return jsonify({'error': 'Failed to generate presigned URL'}), 500
+
+            # 调用 add_or_update_submission 函数来更新数据库记录
+            add_or_update_submission(student_id, assignment, filename, code_verified=True)
+
+            # 删除session中的凭据
+            session.pop('submission_code', None)
+            session.pop('submission_student_id', None)
+            session.pop('submission_assignment', None)
+            session['validated_assignment'] = assignment
+            session['validation_presigned_url'] = url
+            return jsonify({'status': '成功', 'upload_url': url})
+        else:
+            return jsonify({'error': '验证码错误'}), 400
+
+    @app.route('/api/submissions')
+    def get_submissions():
+        try:
+            conn = get_db_connection()
+            cursor = conn.cursor(dictionary=True)
+            cursor.execute("""
+                SELECT 
+                    sh.submit_date AS 时间, 
+                    sh.filename AS 提交的文件, 
+                    s.name AS 姓名, 
+                    s.id AS 学号, 
+                    sh.assignment_id AS 作业
+                FROM submission_history sh
+                JOIN students s ON sh.student_id = s.id
+                ORDER BY sh.submit_date DESC
+            """)
+            submissions = cursor.fetchall()
+            cursor.close()
+            conn.close()
+
+            # 格式化日期时间
+            for sub in submissions:
+                sub['时间'] = sub['时间'].strftime('%Y-%m-%d %H:%M:%S') if sub['时间'] else None
+
+            return jsonify(submissions)
+        except Exception as e:
+            logging.error(f"Error in get_submissions: {str(e)}", exc_info=True)
+            return jsonify({'error': str(e)}), 500
+
+    @app.route('/api/assignment-status')
+    def get_assignment_status():
+        try:
+            conn = get_db_connection()
+            cursor = conn.cursor(dictionary=True)
+            cursor.execute("""
+                SELECT 
+                    s.id AS 学号, 
+                    s.name AS 姓名,
+                    a.assignment_id AS 作业,
+                    CASE WHEN sub.id IS NOT NULL THEN '已提交' ELSE '未提交' END AS 提交情况,
+                    COALESCE(sub.filename, '') AS 提交的文件
+                FROM students s
+                CROSS JOIN (SELECT DISTINCT assignment_id FROM submissions) a
+                LEFT JOIN submissions sub ON s.id = sub.student_id AND a.assignment_id = sub.assignment_id
+                ORDER BY s.id, a.assignment_id
+            """)
+            status_data = cursor.fetchall()
+            cursor.close()
+            conn.close()
+
+            return jsonify(status_data)
+        except Exception as e:
+            logging.error(f"Error in get_assignment_status: {str(e)}", exc_info=True)
+            return jsonify({'error': str(e)}), 500
+
+    @app.route('/download-submissions')
+    def download_submissions():
+        try:
+            conn = get_db_connection()
+            cursor = conn.cursor(dictionary=True)
+            cursor.execute("""
+                SELECT 
+                    sh.submit_date AS 时间, 
+                    sh.filename AS 提交的项目, 
+                    s.name AS 姓名, 
+                    s.id AS 学号, 
+                    sh.assignment_id AS 作业
+                FROM submission_history sh
+                JOIN students s ON sh.student_id = s.id
+                ORDER BY sh.submit_date DESC
+            """)
+            submissions = cursor.fetchall()
+            cursor.close()
+            conn.close()
+
+            # 创建 DataFrame
+            df = pd.DataFrame(submissions)
+
+            # 格式化日期时间
+            df['时间'] = pd.to_datetime(df['时间']).dt.strftime('%Y-%m-%d %H:%M:%S')
+
+            # 确保列的顺序
+            df = df[['时间', '提交的项目', '姓名', '学号', '作业']]
+
+            # 创建一个 BytesIO 对象，用于存储 Excel 文件
+            output = io.BytesIO()
+
+            # 使用 ExcelWriter 来设置列宽
+            with pd.ExcelWriter(output, engine='xlsxwriter') as writer:
+                df.to_excel(writer, sheet_name='提交记录', index=False)
+                worksheet = writer.sheets['提交记录']
+
+                # 设置列宽
+                worksheet.set_column('A:A', 20)  # 时间
+                worksheet.set_column('B:B', 30)  # 提交的项目
+                worksheet.set_column('C:C', 15)  # 姓名
+                worksheet.set_column('D:D', 15)  # 学号
+                worksheet.set_column('E:E', 20)  # 作业
+
+            output.seek(0)
+
+            return send_file(
+                output,
+                as_attachment=True,
+                download_name='submissions.xlsx',
+                mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+            )
+        except Exception as e:
+            logging.error(f"Error in download_submissions: {str(e)}", exc_info=True)
+            return jsonify({'error': str(e)}), 500
+
+    @app.route('/download-assignment-status')
+    def download_assignment_status():
+        try:
+            conn = get_db_connection()
+            cursor = conn.cursor(dictionary=True)
+            cursor.execute("""
+                SELECT 
+                    s.id AS 学号, 
+                    s.name AS 姓名, 
+                    COALESCE(sub.assignment_id, 'No assignment') AS 作业,
+                    CASE WHEN sub.id IS NOT NULL THEN '已提交' ELSE '未提交' END AS 作业提交情况,
+                    COALESCE(sub.filename, '') AS 提交的项目,
+                    COALESCE(sub.submit_date, '') AS 提交时间
+                FROM students s
+                LEFT JOIN submissions sub ON s.id = sub.student_id
+                ORDER BY s.id, sub.assignment_id
+            """)
+            status_data = cursor.fetchall()
+            cursor.close()
+            conn.close()
+
+            df = pd.DataFrame(status_data)
+
+            # 格式化日期时间
+            df['提交时间'] = pd.to_datetime(df['提交时间']).dt.strftime('%Y-%m-%d %H:%M:%S')
+
+            # 确保列的顺序
+            df = df[['学号', '姓名', '作业', '作业提交情况', '提交的项目', '提交时间']]
+
+            output = io.BytesIO()
+            with pd.ExcelWriter(output, engine='xlsxwriter') as writer:
+                df.to_excel(writer, sheet_name='作业提交情况', index=False)
+                worksheet = writer.sheets['作业提交情况']
+
+                # 设置列宽
+                worksheet.set_column('A:A', 15)  # 学号
+                worksheet.set_column('B:B', 10)  # 姓名
+                worksheet.set_column('C:C', 15)  # 作业
+                worksheet.set_column('D:D', 12)  # 作业提交情况
+                worksheet.set_column('E:E', 30)  # 提交的项目
+                worksheet.set_column('F:F', 20)  # 提交时间
+
+            output.seek(0)
+
+            return send_file(
+                output,
+                as_attachment=True,
+                download_name='assignment_status.xlsx',
+                mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+            )
+        except Exception as e:
+            logging.error(f"Error in download_assignment_status: {str(e)}", exc_info=True)
+            return jsonify({'error': str(e)}), 500
+
+    @app.route('/')
+    def serve_index():
+        if 'student_id' not in session:
+            return redirect(url_for('login'))
+        conn = get_db_connection()
+        cursor = conn.cursor(dictionary=True)
+        cursor.execute('SELECT * FROM assignments ORDER BY deadline')
+        assignments = cursor.fetchall()
+        cursor.close()
+        conn.close()
+        return render_template('index.html', assignments=assignments)
+
+    @app.route('/logout')
+    def logout():
+        session.clear()
+        return redirect(url_for('login'))
+
+    def _build_cors_preflight_response():
+        response = make_response()
+        response.headers.add("Access-Control-Allow-Origin", "*")
+        response.headers.add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+        response.headers.add("Access-Control-Allow-Headers", "Content-Type")
+        return response
+
+# 教师管理路由
+def add_teacher_routes(app, mail, bcrypt):
+    # 教师登录装饰器
+    def teacher_required(f):
+        @wraps(f)
+        def decorated_function(*args, **kwargs):
+            if 'teacher_id' not in session:
+                return redirect(url_for('teacher_login'))
+            return f(*args, **kwargs)
+        return decorated_function
+
+    # Teacher Login Route
+    @app.route('/teacher/login', methods=['GET', 'POST'])
+    def teacher_login():
+        if request.method == 'POST':
+            email = request.form['email']
+            password = request.form['password']
+            teacher = validate_teacher(email, password, bcrypt)
+            if teacher:
+                session['teacher_id'] = teacher['id']
+                return redirect(url_for('teacher_panel'))
+            else:
+                flash('Invalid credentials', 'error')
+        return render_template('teacher_login.html')
+
+    @app.route('/teacher/logout')
+    def teacher_logout():
+        session.pop('teacher_id', None)
+        return redirect(url_for('teacher_login'))
+
+    @app.route('/teacher/panel')
+    @teacher_required
+    def teacher_panel():
+        # Fetch the classes this teacher is responsible for
+        teacher_id = session['teacher_id']
+        classes = fetch_teacher_classes(teacher_id)
+        return render_template('teacher_panel.html', classes=classes)
+
+    @app.route('/teacher/class/<int:class_id>')
+    @teacher_required
+    def view_class(class_id):
+        # Fetch the assignments and students of the class
+        assignments = fetch_class_assignments(class_id)
+        students = fetch_class_students(class_id)
+        return render_template('class_detail.html', assignments=assignments, students=students, class_id=class_id)
+
+    @app.route('/teacher/class/<int:class_id>/add_assignment', methods=['POST'])
+    @teacher_required
+    def teacher_add_assignment(class_id):
+        # Adding a new assignment to the class
+        value = request.form['value']
+        name = request.form['name']
+        deadline = request.form['deadline']
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('INSERT INTO assignments (value, name, deadline, class_id) VALUES (%s, %s, %s, %s)', (value, name, deadline, class_id))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        flash('Assignment added successfully', 'success')
+        return redirect(url_for('view_class', class_id=class_id))
+
+    @app.route('/teacher/edit_assignment/<int:assignment_id>', methods=['POST'])
+    def edit_assignment(assignment_id):
+        new_deadline = request.json.get('deadline')
+        if new_deadline:
+            conn = get_db_connection()
+            cursor = conn.cursor()
+            cursor.execute('UPDATE assignments SET deadline = %s WHERE id = %s', (new_deadline, assignment_id))
+            conn.commit()
+            cursor.close()
+            conn.close()
+            return jsonify({'status': 'success'})
+        return jsonify({'error': 'Invalid deadline'}), 400
+
+    @app.route('/teacher/delete_assignment/<int:assignment_id>', methods=['DELETE'])
+    def delete_assignment(assignment_id):
+        conn = get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute('DELETE FROM assignments WHERE id = %s', (assignment_id,))
+        conn.commit()
+        cursor.close()
+        conn.close()
+        return jsonify({'status': 'success'})
+

ccc.py

@@ -0,0 +1,69 @@
+import os
+from docx import Document
+
+
+def find_files(start_path, extensions):
+    """
+    遍历目录并找到指定扩展名的文件。
+
+    :param start_path: 起始路径
+    :param extensions: 需要查找的文件扩展名列表
+    :return: 文件路径列表
+    """
+    file_list = []
+    for root, dirs, files in os.walk(start_path):
+        for file in files:
+            if any(file.endswith(ext) for ext in extensions):
+                file_list.append(os.path.join(root, file))
+    return file_list
+
+
+def read_files(file_list):
+    """
+    读取文件内容。
+
+    :param file_list: 文件路径列表
+    :return: 文件内容字典
+    """
+    content_dict = {}
+    for file_path in file_list:
+        with open(file_path, 'r', encoding='utf-8') as file:
+            content_dict[file_path] = file.read()
+    return content_dict
+
+
+def save_to_docx(content_dict, output_file):
+    """
+    将文件内容字典保存到 DOCX 文件。
+
+    :param content_dict: 文件内容字典
+    :param output_file: 输出的 DOCX 文件名
+    """
+    doc = Document()
+    for file_path, content in content_dict.items():
+        doc.add_heading(file_path, level=1)
+        doc.add_paragraph(content)
+        doc.add_page_break()  # 添加分页符
+    doc.save(output_file)
+
+
+if __name__ == "__main__":
+    # 需要遍历的目录
+    directory = '/Users/lishunqin/Desktop/study/pychram project/AWS-sure'
+
+    # 需要查找的文件扩展名
+    extensions = ['.py', '.html', '.env', '.css', 'js']
+
+    # 查找文件
+    files = find_files(directory, extensions)
+
+    # 读取文件内容
+    content_dict = read_files(files)
+
+    # 输出 DOCX 文件名
+    output_docx = 'output_files_content.docx'
+
+    # 保存到 DOCX 文件
+    save_to_docx(content_dict, output_docx)
+
+    print(f"找到 {len(files)} 个文件，并保存了内容到 {output_docx}")

database.py

@@ -0,0 +1,280 @@
+import os
+import mysql.connector
+from flask import Flask, request, jsonify, session, redirect, url_for, render_template
+from flask_bcrypt import Bcrypt
+from some_module_to_verify_code import verify_code  # 假设你有相应的模块
+import datetime
+import random
+import logging
+from flask_mail import Mail, Message
+import boto3
+from botocore.client import Config
+import csv
+
+# 初始化 Flask 和 Bcrypt
+app = Flask(__name__)
+bcrypt = Bcrypt(app)
+mail = Mail(app)
+
+# 配置日志
+logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
+
+# 配置 AWS S3
+aws_access_key_id = os.getenv('AWS_ACCESS_KEY_ID')
+aws_secret_access_key = os.getenv('AWS_SECRET_ACCESS_KEY')
+region_name = os.getenv('AWS_REGION')
+bucket_name = os.getenv('S3_BUCKET_NAME')
+
+# 初始化S3客户端
+s3_client = boto3.client(
+    's3',
+    aws_access_key_id=aws_access_key_id,
+    aws_secret_access_key=aws_secret_access_key,
+    region_name=region_name,
+    config=Config(signature_version='s3v4')
+)
+
+# 初始化 CSV 文件
+submissions_file = 'submissions.csv'
+if not os.path.exists(submissions_file):
+    with open(submissions_file, 'w', newline='') as file:
+        writer = csv.writer(file)
+        writer.writerow(['ID', '学生姓名', '学号', '作业', '提交的文件'])
+
+
+# 数据库连接函数
+def get_db_connection():
+    return mysql.connector.connect(
+        host='8.218.165.242',
+        user='sure_001',
+        password='EKKWLMmrGmG7sdPf',
+        database='sure_001'
+    )
+
+
+# 验证学生身份
+def validate_student(student_id, password):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM students WHERE id = %s', (student_id,))
+    student = cursor.fetchone()
+    cursor.close()
+    conn.close()
+    if student and bcrypt.check_password_hash(student['password'], password):
+        return student
+    return None
+
+
+# 检查作业提交
+def check_submission(student_id, assignment_id):
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM submissions WHERE student_id = %s AND assignment_id = %s',
+                   (student_id, assignment_id))
+    submission = cursor.fetchone()
+    cursor.close()
+    conn.close()
+    return submission
+
+
+# 添加或更新作业提交
+def add_or_update_submission(student_id, assignment_id, filename, code_verified=False):
+    conn = get_db_connection()
+    cursor = conn.cursor()
+    if code_verified:
+        cursor.execute(
+            'UPDATE submissions SET submit_date = NOW(), filename = %s WHERE student_id = %s AND assignment_id = %s',
+            (filename, student_id, assignment_id))
+    else:
+        cursor.execute(
+            'INSERT INTO submissions (student_id, assignment_id, filename, submit_date) VALUES (%s, %s, %s, NOW())',
+            (student_id, assignment_id, filename))
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+def fetch_all_departments():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM departments')
+    departments = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return departments
+
+def fetch_all_grades():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM grades')
+    grades = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return grades
+
+def fetch_all_classes():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM classes')
+    classes = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return classes
+
+def fetch_all_teachers():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT * FROM teachers')
+    teachers = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return teachers
+
+
+
+# 生成预签名URL
+def generate_presigned_url(object_key, content_type):
+    try:
+        url = s3_client.generate_presigned_url(
+            'put_object',
+            Params={'Bucket': bucket_name, 'Key': object_key, 'ContentType': content_type},
+            ExpiresIn=3600
+        )
+        return url
+    except Exception as e:
+        logging.error(f"Failed to generate presigned URL: {str(e)}")
+        return None
+
+
+# 提交作业路由
+@app.route('/submit-assignment', methods=['POST'])
+def submit_assignment():
+    student_id = request.form.get('student_id')
+    assignment_id = request.form.get('assignment_id')
+    filename = request.form.get('filename')
+
+    submission = check_submission(student_id, assignment_id)
+
+    if submission:
+        # 要求用户输入验证码
+        email = request.form.get('email')
+        code = request.form.get('code')
+        if verify_code(email, code):
+            add_or_update_submission(student_id, assignment_id, filename, code_verified=True)
+    else:
+        add_or_update_submission(student_id, assignment_id, filename, code_verified=False)
+
+    return 'Submission successful'
+
+
+# 登录路由
+@app.route('/login', methods=['GET', 'POST'])
+def login():
+    if request.method == 'POST':
+        student_id = request.form.get('student_id')
+        password = request.form.get('password')
+        student = validate_student(student_id, password)
+        if student:
+            session['student_id'] = student['id']
+            session['student_name'] = student['name']
+            return redirect(url_for('serve_index'))
+        else:
+            return render_template('login.html', error='学号或密码错误')
+    return render_template('login.html')
+
+
+# 重置密码路由
+@app.route('/reset-password', methods=['GET', 'POST'])
+def reset_password():
+    if request.method == 'POST':
+        student_id = request.form.get('student_id')
+        email = request.form.get('email')
+        conn = get_db_connection()
+        cursor = conn.cursor(dictionary=True)
+        cursor.execute('SELECT * FROM students WHERE id = %s AND email = %s', (student_id, email))
+        student = cursor.fetchone()
+        cursor.close()
+        conn.close()
+
+        if student:
+            reset_code = ''.join(random.choices('0123456789', k=6))
+            session['reset_code'] = reset_code
+            session['reset_student_id'] = student_id
+            try:
+                msg = Message('重置密码验证码', recipients=[email])
+                msg.body = f'您用于重置密码的验证码是: {reset_code}'
+                mail.send(msg)
+                return render_template('reset_password.html', success='验证码已发送到您的邮箱，请检查并输入验证码')
+            except Exception as e:
+                logging.error(f"Error sending email: {str(e)}")
+                return render_template('reset_password.html', error='发送验证码失败，请稍后再试')
+        else:
+            return render_template('reset_password.html', error='学号和邮箱不匹配')
+    return render_template('reset_password.html')
+
+
+# 提交记录路由
+@app.route('/record-submission', methods=['POST'])
+def record_submission():
+    data = request.json
+    student_id = session.get('student_id')
+    student_name = session.get('student_name')
+    assignment = data.get('assignment')
+    filename = data.get('filename')
+
+    if not student_id or not filename or not assignment:
+        return jsonify({'error': 'Student_id, assignment and filename parameters are required'}), 400
+
+    # Check if the student has already submitted this assignment
+    submission = check_submission(student_id, assignment)
+    if submission:
+        session['filename'] = filename
+        return jsonify({'error': '作业已提交过，需要验证码'}), 401
+
+    # 生成 pre-signed URL 并记录提交
+    new_filename = f'{student_id}_{student_name}_{assignment}'
+    folder_name = f'sure_homework_define_by_qin/{assignment}'
+    object_key = f'{folder_name}/{new_filename}'
+    url = generate_presigned_url(object_key, 'application/octet-stream')
+
+    if not url:
+        logging.error("Failed to generate presigned URL")
+        return jsonify({'error': 'Failed to generate presigned URL'}), 500
+
+    add_or_update_submission(student_id, assignment, filename)
+    return jsonify({'status': 'success', 'upload_url': url})
+
+
+# 生成验证码路由
+@app.route('/generate-code', methods=['POST'])
+def generate_code():
+    student_id = session.get('student_id')
+    assignment = request.json.get('assignment')
+
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute('SELECT email FROM students WHERE id = %s', (student_id,))
+    student = cursor.fetchone()
+    cursor.close()
+    conn.close()
+
+    if not student:
+        return jsonify({'error': '学生信息未找到'}), 404
+
+    email = student['email']
+    reset_code = ''.join(random.choices('0123456789', k=6))
+    session['submission_code'] = reset_code
+    session['submission_student_id'] = student_id
+    session['submission_assignment'] = assignment
+
+    try:
+        msg = Message('提交验证码', recipients=[email])
+        msg.body = f'您用于提交作业的验证码是: {reset_code}'
+        mail.send(msg)
+        return jsonify({'status': '验证码已发送到您的邮箱'})
+    except Exception as e:
+        logging.error(f"Error sending email: {str(e)}")
+        return jsonify({'error': '发送验证码失败，请稍后再试'}), 500
+
+
+if __name__ == '__main__':
+    app.run(debug=True)

edit_admin_info.py

@@ -0,0 +1,46 @@
+from flask_bcrypt import Bcrypt
+import mysql.connector
+
+# Initialize Bcrypt
+bcrypt = Bcrypt()
+
+# Database connection details
+MYSQL_HOST = '8.218.165.242'
+MYSQL_USER = 'sure_001'
+MYSQL_PASSWORD = 'EKKWLMmrGmG7sdPf'
+MYSQL_DB = 'sure_001'
+
+# Function to get database connection
+def get_db_connection():
+    return mysql.connector.connect(
+        host=MYSQL_HOST,
+        user=MYSQL_USER,
+        password=MYSQL_PASSWORD,
+        database=MYSQL_DB
+    )
+
+# Function to update admin password
+def update_teacher_password(teacher_id, new_plain_password):
+    conn = get_db_connection()
+    cursor = conn.cursor()
+
+    # Generate new hashed password
+    hashed_password = bcrypt.generate_password_hash(new_plain_password).decode('utf-8')
+
+    # Update password in the database
+    cursor.execute(
+        'UPDATE teachers SET password = %s WHERE id = %s',
+        (hashed_password, teacher_id)
+    )
+
+    # Commit changes and close the connection
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+# Example: Updating the password for admin with ID 1
+if __name__ == "__main__":
+    tid = 1  # The ID of the admin to update
+    new_password = 'xiaoyan99817'  # The new plain password you want to set
+    update_teacher_password(tid, new_password)
+    print(f"Password for admin with ID {tid} has been updated.")

generate_presigned_url.py

@@ -1,31 +0,0 @@
-import boto3
-from botocore.exceptions import NoCredentialsError, ClientError
-
-# 使用获取的访问密钥ID和秘密访问密钥来初始化S3客户端
-aws_access_key_id = 'AKIAZQ3DT3KLN5WGXZOR'          # 替换为你的访问密钥ID
-aws_secret_access_key = '5UZb8SovTrbroT7yU1pBzaR5myLn+NMA+c87RvLH'  # 替换为你的秘密访问密钥
-region_name = 'ap-northeast-1'                       # 替换为你的S3存储桶所在区域
-
-s3_client = boto3.client(
-    's3',
-    aws_access_key_id=aws_access_key_id,
-    aws_secret_access_key=aws_secret_access_key,
-    region_name=region_name
-)
-
-# 创建一个模拟“文件夹”的空对象
-def create_s3_folder(bucket_name, folder_name):
-    try:
-        s3_client.put_object(Bucket=bucket_name, Key=(folder_name + '/'))
-        print(f"Folder {folder_name} created in bucket {bucket_name}")
-    except NoCredentialsError:
-        print("Credentials not available")
-    except ClientError as e:
-        print(f"Error: {e}")
-
-# Bucket name and folder name
-bucket_name = 'sure-ae-upload'
-folder_name = 'sure_homework_define_by_qin'
-
-# Create folder
-create_s3_folder(bucket_name, folder_name)

generate_secret_key.py

@@ -0,0 +1,2 @@
+import secrets
+print(secrets.token_hex(16))  # 生成一个32字符长的随机字符串

index.html

@@ -1,342 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>秀儿文件提交系统</title>
-    <style>
-        body {
-            font-family: 'Helvetica Neue', Arial, sans-serif;
-            background-color: #f0f2f5;
-            margin: 0;
-            padding: 0;
-            display: flex;
-            justify-content: center;
-            align-items: center;
-            min-height: 100vh;
-        }
-        .container {
-            background-color: #ffffff;
-            border-radius: 8px;
-            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-            padding: 30px;
-            width: 100%;
-            max-width: 400px;
-        }
-        .image-container {
-            margin-bottom: 20px;
-            border-radius: 8px;
-            overflow: hidden;
-        }
-        .image-container img {
-            width: 100%;
-            height: auto;
-            display: block;
-        }
-        h1 {
-            color: #333;
-            font-size: 24px;
-            margin-bottom: 20px;
-            text-align: center;
-        }
-        .form-field {
-            margin-bottom: 20px;
-        }
-        label {
-            display: block;
-            margin-bottom: 5px;
-            color: #555;
-            font-weight: 500;
-        }
-        input[type="text"], select {
-            width: 100%;
-            padding: 10px;
-            border: 1px solid #ddd;
-            border-radius: 4px;
-            font-size: 16px;
-        }
-        .file-input-wrapper {
-            position: relative;
-            overflow: visible;
-            display: inline-block;
-            width: 100%;
-        }
-        .file-input-button {
-            background-color: #f0f0f0;
-            border: 1px solid #ddd;
-            color: #333;
-            padding: 10px 15px;
-            border-radius: 4px;
-            font-size: 16px;
-            cursor: pointer;
-            display: inline-block;
-            width: 100%;
-            text-align: center;
-            box-sizing: border-box;
-            transition: background-color 0.3s, border-color 0.3s;
-        }
-        .file-input-button:hover {
-            background-color: #e0e0e0;
-            border-color: #ccc;
-        }
-        .file-input-button input[type=file] {
-            display: none;
-        }
-        #file-name {
-            margin-top: 5px;
-            font-size: 14px;
-            color: #666;
-        }
-        button[type="submit"] {
-            background-color: #1890ff;
-            color: white;
-            border: none;
-            padding: 12px 20px;
-            border-radius: 4px;
-            font-size: 16px;
-            cursor: pointer;
-            width: 100%;
-            transition: background-color 0.3s;
-        }
-        button[type="submit"]:hover {
-            background-color: #40a9ff;
-        }
-        .progress-container {
-            margin-top: 20px;
-            display: none;
-        }
-        .progress {
-            height: 10px;
-            background-color: #f0f0f0;
-            border-radius: 5px;
-            overflow: hidden;
-        }
-        .progress-bar {
-            height: 100%;
-            background-color: #1890ff;
-            width: 0;
-            transition: width 0.3s ease;
-        }
-        #progress-percentage {
-            font-size: 14px;
-            color: #666;
-            margin-top: 5px;
-        }
-        #status {
-            margin-top: 15px;
-            font-size: 14px;
-            color: #666;
-        }
-        #download-link {
-            display: inline-block;
-            margin-top: 20px;
-            text-decoration: none;
-            color: #1890ff;
-            font-size: 14px;
-        }
-        .upload-stats {
-            margin-top: 10px;
-            font-size: 14px;
-            color: #666;
-        }
-        .upload-stats span {
-            display: inline-block;
-            margin-right: 15px;
-        }
-    </style>
-</head>
-<body>
-    <div class="container">
-        <div class="image-container">
-            <img src="image.jpg" alt="描述性文本">
-        </div>
-        <h1>秀儿文件提交系统</h1>
-        <form id="upload-form">
-            <div class="form-field">
-                <label for="student">学生姓名:</label>
-                <input type="text" id="student" name="student" required>
-            </div>
-            <div class="form-field">
-                <label for="student-id">学号:</label>
-                <input type="text" id="student-id" name="student-id" required>
-            </div>
-            <div class="form-field">
-                <label for="assignment">选择作业:</label>
-                <select id="assignment" name="assignment" required>
-                    <option value="">请选择作业</option>
-                    <option value="homework1">平时作业1</option>
-                    <option value="homework2">平时作业2</option>
-                    <option value="homework3">平时作业3</option>
-                    <option value="final_homework">结课大作业</option>
-                </select>
-            </div>
-            <div class="form-field">
-                <label for="file">选择文件:</label>
-                <div class="file-input-wrapper">
-                    <button type="button" class="file-input-button">选择文件 <input type="file" id="file" name="file" required></button>
-                </div>
-                <div id="file-name">未选择文件</div>
-            </div>
-            <button type="submit">提交 (截止日期: 2024.07.03)</button>
-        </form>
-        <div id="status"></div>
-        <div class="progress-container" id="progress-container">
-            <div class="progress">
-                <div class="progress-bar" id="progress-bar"></div>
-            </div>
-            <div id="progress-percentage">0%</div>
-            <div class="upload-stats">
-                <span id="upload-speed">速度: 0 KB/s</span>
-                <span id="upload-size">0 KB / 0 KB</span>
-                <span id="upload-time">剩余时间: 计算中</span>
-            </div>
-        </div>
-        <a href="/download-submissions" id="download-link">下载统计表格</a>
-    </div>
-
-    <script>
-        document.querySelector('.file-input-button').addEventListener('click', function() {
-            document.getElementById('file').click();
-        });
-
-        document.getElementById('file').addEventListener('change', function(e) {
-            const fileName = e.target.files[0] ? e.target.files[0].name : '未选择文件';
-            document.getElementById('file-name').textContent = fileName;
-        });
-
-        document.getElementById('upload-form').addEventListener('submit', async (e) => {
-            e.preventDefault();
-
-            const student = document.getElementById('student').value;
-            const studentId = document.getElementById('student-id').value;
-            const assignment = document.getElementById('assignment').value;
-            const file = document.getElementById('file').files[0];
-            const statusDiv = document.getElementById('status');
-            const progressContainer = document.getElementById('progress-container');
-            const progressBar = document.getElementById('progress-bar');
-            const progressPercentage = document.getElementById('progress-percentage');
-            const uploadSpeed = document.getElementById('upload-speed');
-            const uploadSize = document.getElementById('upload-size');
-            const uploadTime = document.getElementById('upload-time');
-
-            if (!student || !studentId || !assignment || !file) {
-                alert('请提供学生姓名、学号、选择作业，并选择一个文件。');
-                return;
-            }
-
-            statusDiv.textContent = '准备上传...';
-            progressContainer.style.display = 'block';
-
-            try {
-                const response = await fetch(`/generate-url?student=${encodeURIComponent(student)}&student_id=${encodeURIComponent(studentId)}&assignment=${encodeURIComponent(assignment)}&filename=${encodeURIComponent(file.name)}&content_type=${encodeURIComponent(file.type)}`, {
-                    method: 'GET',
-                });
-
-                if (!response.ok) {
-                    const errorData = await response.json();
-                    throw new Error(`生成预签名URL失败: ${errorData.error}`);
-                }
-                const data = await response.json();
-
-                if (!data.url) {
-                    throw new Error('服务器未返回URL');
-                }
-
-                statusDiv.textContent = '正在上传文件...';
-
-                const totalSize = file.size;
-                let uploadedSize = 0;
-                let startTime = Date.now();
-
-                const updateProgress = (additionalProgress = 0) => {
-                    uploadedSize += additionalProgress;
-                    const percentComplete = (uploadedSize / totalSize) * 100;
-                    const elapsedTime = (Date.now() - startTime) / 1000; // 秒
-                    const speed = uploadedSize / elapsedTime;
-                    const remainingSize = totalSize - uploadedSize;
-                    const estimatedRemainingTime = speed > 0 ? remainingSize / speed : 0;
-
-                    progressBar.style.width = percentComplete + '%';
-                    progressPercentage.textContent = percentComplete.toFixed(2) + '%';
-                    uploadSpeed.textContent = `速度: ${formatSize(speed)}/s`;
-                    uploadSize.textContent = `${formatSize(uploadedSize)} / ${formatSize(totalSize)}`;
-                    uploadTime.textContent = `剩余时间: ${formatTime(estimatedRemainingTime)}`;
-                };
-
-                // 模拟进度更新
-                const progressInterval = setInterval(() => {
-                    if (uploadedSize < totalSize) {
-                        updateProgress(totalSize / 100); // 每次更新1%的进度
-                    }
-                }, 200);
-
-                // 实际上传
-                const uploadResponse = await fetch(data.url, {
-                    method: 'PUT',
-                    body: file,
-                    headers: {
-                        'Content-Type': data.content_type
-                    }
-                });
-
-                clearInterval(progressInterval);
-
-                if (!uploadResponse.ok) {
-                    throw new Error(`Upload failed: ${uploadResponse.statusText}`);
-                }
-
-                // 确保进度达到100%
-                updateProgress(totalSize - uploadedSize);
-
-                statusDiv.textContent = '文件上传成功';
-
-                // 上传成功后，记录提交信息
-                const recordResponse = await fetch('/record-submission', {
-                    method: 'POST',
-                    headers: {
-                        'Content-Type': 'application/json'
-                    },
-                    body: JSON.stringify({
-                        student,
-                        student_id: studentId,
-                        assignment,
-                        filename: file.name
-                    })
-                });
-
-                if (!recordResponse.ok) {
-                    const errorRecordData = await recordResponse.json();
-                    throw new Error(`Failed to record submission: ${errorRecordData.error}`);
-                }
-
-                alert('文件上传并记录成功');
-
-            } catch (error) {
-                console.error('错误:', error);
-                statusDiv.textContent = `错误: ${error.message}`;
-                alert('发生错误: ' + error.message);
-            }
-        });
-
-        function formatSize(bytes) {
-            if (bytes === 0) return '0 Bytes';
-            const k = 1024;
-            const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
-            const i = Math.floor(Math.log(bytes) / Math.log(k));
-            return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
-        }
-
-        function formatTime(seconds) {
-            if (isNaN(seconds) || !isFinite(seconds)) {
-                return '计算中';
-            }
-            if (seconds < 60) return Math.round(seconds) + ' 秒';
-            const minutes = Math.floor(seconds / 60);
-            const remainingSeconds = Math.round(seconds % 60);
-            return `${minutes} 分 ${remainingSeconds} 秒`;
-        }
-    </script>
-</body>
-
-</html>
-

index.txt

@@ -1,342 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>秀儿文件提交系统</title>
-    <style>
-        body {
-            font-family: 'Helvetica Neue', Arial, sans-serif;
-            background-color: #f0f2f5;
-            margin: 0;
-            padding: 0;
-            display: flex;
-            justify-content: center;
-            align-items: center;
-            min-height: 100vh;
-        }
-        .container {
-            background-color: #ffffff;
-            border-radius: 8px;
-            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-            padding: 30px;
-            width: 100%;
-            max-width: 400px;
-        }
-        .image-container {
-            margin-bottom: 20px;
-            border-radius: 8px;
-            overflow: hidden;
-        }
-        .image-container img {
-            width: 100%;
-            height: auto;
-            display: block;
-        }
-        h1 {
-            color: #333;
-            font-size: 24px;
-            margin-bottom: 20px;
-            text-align: center;
-        }
-        .form-field {
-            margin-bottom: 20px;
-        }
-        label {
-            display: block;
-            margin-bottom: 5px;
-            color: #555;
-            font-weight: 500;
-        }
-        input[type="text"], select {
-            width: 100%;
-            padding: 10px;
-            border: 1px solid #ddd;
-            border-radius: 4px;
-            font-size: 16px;
-        }
-        .file-input-wrapper {
-            position: relative;
-            overflow: visible;
-            display: inline-block;
-            width: 100%;
-        }
-        .file-input-button {
-            background-color: #f0f0f0;
-            border: 1px solid #ddd;
-            color: #333;
-            padding: 10px 15px;
-            border-radius: 4px;
-            font-size: 16px;
-            cursor: pointer;
-            display: inline-block;
-            width: 100%;
-            text-align: center;
-            box-sizing: border-box;
-            transition: background-color 0.3s, border-color 0.3s;
-        }
-        .file-input-button:hover {
-            background-color: #e0e0e0;
-            border-color: #ccc;
-        }
-        .file-input-button input[type=file] {
-            display: none;
-        }
-        #file-name {
-            margin-top: 5px;
-            font-size: 14px;
-            color: #666;
-        }
-        button[type="submit"] {
-            background-color: #1890ff;
-            color: white;
-            border: none;
-            padding: 12px 20px;
-            border-radius: 4px;
-            font-size: 16px;
-            cursor: pointer;
-            width: 100%;
-            transition: background-color 0.3s;
-        }
-        button[type="submit"]:hover {
-            background-color: #40a9ff;
-        }
-        .progress-container {
-            margin-top: 20px;
-            display: none;
-        }
-        .progress {
-            height: 10px;
-            background-color: #f0f0f0;
-            border-radius: 5px;
-            overflow: hidden;
-        }
-        .progress-bar {
-            height: 100%;
-            background-color: #1890ff;
-            width: 0;
-            transition: width 0.3s ease;
-        }
-        #progress-percentage {
-            font-size: 14px;
-            color: #666;
-            margin-top: 5px;
-        }
-        #status {
-            margin-top: 15px;
-            font-size: 14px;
-            color: #666;
-        }
-        #download-link {
-            display: inline-block;
-            margin-top: 20px;
-            text-decoration: none;
-            color: #1890ff;
-            font-size: 14px;
-        }
-        .upload-stats {
-            margin-top: 10px;
-            font-size: 14px;
-            color: #666;
-        }
-        .upload-stats span {
-            display: inline-block;
-            margin-right: 15px;
-        }
-    </style>
-</head>
-<body>
-    <div class="container">
-        <div class="image-container">
-            <img src="image.jpg" alt="描述性文本">
-        </div>
-        <h1>秀儿文件提交系统</h1>
-        <form id="upload-form">
-            <div class="form-field">
-                <label for="student">学生姓名:</label>
-                <input type="text" id="student" name="student" required>
-            </div>
-            <div class="form-field">
-                <label for="student-id">学号:</label>
-                <input type="text" id="student-id" name="student-id" required>
-            </div>
-            <div class="form-field">
-                <label for="assignment">选择作业:</label>
-                <select id="assignment" name="assignment" required>
-                    <option value="">请选择作业</option>
-                    <option value="homework1">平时作业1</option>
-                    <option value="homework2">平时作业2</option>
-                    <option value="homework3">平时作业3</option>
-                    <option value="final_homework">结课大作业</option>
-                </select>
-            </div>
-            <div class="form-field">
-                <label for="file">选择文件:</label>
-                <div class="file-input-wrapper">
-                    <button type="button" class="file-input-button">选择文件 <input type="file" id="file" name="file" required></button>
-                </div>
-                <div id="file-name">未选择文件</div>
-            </div>
-            <button type="submit">提交 (截止日期: 2024.07.03)</button>
-        </form>
-        <div id="status"></div>
-        <div class="progress-container" id="progress-container">
-            <div class="progress">
-                <div class="progress-bar" id="progress-bar"></div>
-            </div>
-            <div id="progress-percentage">0%</div>
-            <div class="upload-stats">
-                <span id="upload-speed">速度: 0 KB/s</span>
-                <span id="upload-size">0 KB / 0 KB</span>
-                <span id="upload-time">剩余时间: 计算中</span>
-            </div>
-        </div>
-        <a href="/download-submissions" id="download-link">下载统计表格</a>
-    </div>
-
-    <script>
-        document.querySelector('.file-input-button').addEventListener('click', function() {
-            document.getElementById('file').click();
-        });
-
-        document.getElementById('file').addEventListener('change', function(e) {
-            const fileName = e.target.files[0] ? e.target.files[0].name : '未选择文件';
-            document.getElementById('file-name').textContent = fileName;
-        });
-
-        document.getElementById('upload-form').addEventListener('submit', async (e) => {
-            e.preventDefault();
-
-            const student = document.getElementById('student').value;
-            const studentId = document.getElementById('student-id').value;
-            const assignment = document.getElementById('assignment').value;
-            const file = document.getElementById('file').files[0];
-            const statusDiv = document.getElementById('status');
-            const progressContainer = document.getElementById('progress-container');
-            const progressBar = document.getElementById('progress-bar');
-            const progressPercentage = document.getElementById('progress-percentage');
-            const uploadSpeed = document.getElementById('upload-speed');
-            const uploadSize = document.getElementById('upload-size');
-            const uploadTime = document.getElementById('upload-time');
-
-            if (!student || !studentId || !assignment || !file) {
-                alert('请提供学生姓名、学号、选择作业，并选择一个文件。');
-                return;
-            }
-
-            statusDiv.textContent = '准备上传...';
-            progressContainer.style.display = 'block';
-
-            try {
-                const response = await fetch(`/generate-url?student=${encodeURIComponent(student)}&student_id=${encodeURIComponent(studentId)}&assignment=${encodeURIComponent(assignment)}&filename=${encodeURIComponent(file.name)}&content_type=${encodeURIComponent(file.type)}`, {
-                    method: 'GET',
-                });
-
-                if (!response.ok) {
-                    const errorData = await response.json();
-                    throw new Error(`生成预签名URL失败: ${errorData.error}`);
-                }
-                const data = await response.json();
-
-                if (!data.url) {
-                    throw new Error('服务器未返回URL');
-                }
-
-                statusDiv.textContent = '正在上传文件...';
-
-                const totalSize = file.size;
-                let uploadedSize = 0;
-                let startTime = Date.now();
-
-                const updateProgress = (additionalProgress = 0) => {
-                    uploadedSize += additionalProgress;
-                    const percentComplete = (uploadedSize / totalSize) * 100;
-                    const elapsedTime = (Date.now() - startTime) / 1000; // 秒
-                    const speed = uploadedSize / elapsedTime;
-                    const remainingSize = totalSize - uploadedSize;
-                    const estimatedRemainingTime = speed > 0 ? remainingSize / speed : 0;
-
-                    progressBar.style.width = percentComplete + '%';
-                    progressPercentage.textContent = percentComplete.toFixed(2) + '%';
-                    uploadSpeed.textContent = `速度: ${formatSize(speed)}/s`;
-                    uploadSize.textContent = `${formatSize(uploadedSize)} / ${formatSize(totalSize)}`;
-                    uploadTime.textContent = `剩余时间: ${formatTime(estimatedRemainingTime)}`;
-                };
-
-                // 模拟进度更新
-                const progressInterval = setInterval(() => {
-                    if (uploadedSize < totalSize) {
-                        updateProgress(totalSize / 100); // 每次更新1%的进度
-                    }
-                }, 200);
-
-                // 实际上传
-                const uploadResponse = await fetch(data.url, {
-                    method: 'PUT',
-                    body: file,
-                    headers: {
-                        'Content-Type': data.content_type
-                    }
-                });
-
-                clearInterval(progressInterval);
-
-                if (!uploadResponse.ok) {
-                    throw new Error(`Upload failed: ${uploadResponse.statusText}`);
-                }
-
-                // 确保进度达到100%
-                updateProgress(totalSize - uploadedSize);
-
-                statusDiv.textContent = '文件上传成功';
-
-                // 上传成功后，记录提交信息
-                const recordResponse = await fetch('/record-submission', {
-                    method: 'POST',
-                    headers: {
-                        'Content-Type': 'application/json'
-                    },
-                    body: JSON.stringify({
-                        student,
-                        student_id: studentId,
-                        assignment,
-                        filename: file.name
-                    })
-                });
-
-                if (!recordResponse.ok) {
-                    const errorRecordData = await recordResponse.json();
-                    throw new Error(`Failed to record submission: ${errorRecordData.error}`);
-                }
-
-                alert('文件上传并记录成功');
-
-            } catch (error) {
-                console.error('错误:', error);
-                statusDiv.textContent = `错误: ${error.message}`;
-                alert('发生错误: ' + error.message);
-            }
-        });
-
-        function formatSize(bytes) {
-            if (bytes === 0) return '0 Bytes';
-            const k = 1024;
-            const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
-            const i = Math.floor(Math.log(bytes) / Math.log(k));
-            return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
-        }
-
-        function formatTime(seconds) {
-            if (isNaN(seconds) || !isFinite(seconds)) {
-                return '计算中';
-            }
-            if (seconds < 60) return Math.round(seconds) + ' 秒';
-            const minutes = Math.floor(seconds / 60);
-            const remainingSeconds = Math.round(seconds % 60);
-            return `${minutes} 分 ${remainingSeconds} 秒`;
-        }
-    </script>
-</body>
-
-</html>
-

insert_data_to_database.py

@@ -0,0 +1,39 @@
+import json
+import mysql.connector
+from flask_bcrypt import Bcrypt
+
+bcrypt = Bcrypt()
+
+# 读取 JSON 数据
+with open('students_config.json', 'r', encoding='utf-8') as f:
+    students_config = json.load(f)
+
+# 连接到 MySQL 数据库
+conn = mysql.connector.connect(
+    host='8.218.165.242',
+    user='sure_001',
+    password='EKKWLMmrGmG7sdPf',
+    database='sure_001'
+)
+
+cursor = conn.cursor()
+
+# 创建 students 表
+cursor.execute('''
+CREATE TABLE IF NOT EXISTS students (
+    id VARCHAR(255) PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    email VARCHAR(255) NOT NULL,
+    password VARCHAR(255) NOT NULL
+)
+''')
+
+# 插入数据并哈希默认密码
+default_password_hash = bcrypt.generate_password_hash('skd123456').decode('utf-8')
+for student in students_config['students']:
+    cursor.execute('INSERT INTO students (id, name, email, password) VALUES (%s, %s, %s, %s)',
+                   (student['id'], student['name'], student['email'], default_password_hash))
+
+conn.commit()
+cursor.close()
+conn.close()

main.py

@@ -1,16 +0,0 @@
-# 这是一个示例 Python 脚本。
-
-# 按 ⌃R 执行或将其替换为您的代码。
-# 按 双击 ⇧ 在所有地方搜索类、文件、工具窗口、操作和设置。
-
-
-def print_hi(name):
-    # 在下面的代码行中使用断点来调试脚本。
-    print(f'Hi, {name}')  # 按 ⌘F8 切换断点。
-
-
-# 按间距中的绿色按钮以运行脚本。
-if __name__ == '__main__':
-    print_hi('PyCharm')
-
-# 访问 https://www.jetbrains.com/help/pycharm/ 获取 PyCharm 帮助

requirements.txt

@@ -0,0 +1,12 @@
+Flask
+flask-cors
+flask-mail
+Flask-Bcrypt
+Flask-Session
+mysql-connector-python
+boto3
+botocore
+python-dotenv
+pytz
+pandas
+docx~=0.2.4

scp_to_remote_host.txt

@@ -0,0 +1 @@
+scp -r /Users/lishunqin/Desktop/study/pychram\ project/AWS-sure root@8.218.165.242:/root

static/admin.css

@@ -0,0 +1,99 @@
+body {
+    font-family: Arial, sans-serif;
+    line-height: 1.6;
+    margin: 0;
+    padding: 0;
+    background-color: #f4f4f4;
+}
+
+.container {
+    width: 80%;
+    margin: auto;
+    overflow: hidden;
+    padding: 20px;
+}
+
+h1, h2 {
+    color: #333;
+}
+
+.form-group {
+    margin-bottom: 15px;
+}
+
+label {
+    display: block;
+    margin-bottom: 5px;
+}
+
+input[type="text"],
+input[type="password"],
+input[type="date"] {
+    width: 100%;
+    padding: 8px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+}
+
+button {
+    display: inline-block;
+    background: #333;
+    color: #fff;
+    padding: 10px 20px;
+    border: none;
+    cursor: pointer;
+}
+
+button:hover {
+    background: #555;
+}
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 20px;
+}
+
+table, th, td {
+    border: 1px solid #ddd;
+}
+
+th, td {
+    text-align: left;
+    padding: 10px;
+}
+
+th {
+    background-color: #f4f4f4;
+}
+
+.alert {
+    padding: 10px;
+    margin-bottom: 15px;
+    border-radius: 4px;
+}
+
+.alert-success {
+    background-color: #d4edda;
+    border-color: #c3e6cb;
+    color: #155724;
+}
+
+.alert-error {
+    background-color: #f8d7da;
+    border-color: #f5c6cb;
+    color: #721c24;
+}
+
+.logout-btn {
+    float: right;
+    background: #dc3545;
+    color: #fff;
+    padding: 5px 10px;
+    text-decoration: none;
+    border-radius: 4px;
+}
+
+.logout-btn:hover {
+    background: #c82333;
+}

static/base.css

@@ -0,0 +1,119 @@
+/* base.css */
+
+body {
+    font-family: Arial, sans-serif;
+    line-height: 1.6;
+    margin: 0;
+    padding: 0;
+    background-color: #f4f4f4;
+    color: #333;
+}
+
+.container {
+    width: 80%;
+    max-width: 800px;
+    margin: 50px auto;
+    background: #fff;
+    padding: 20px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    border-radius: 8px;
+}
+
+h1, h2 {
+    color: #111;
+    margin-bottom: 20px;
+}
+
+.form-group {
+    margin-bottom: 15px;
+}
+
+label {
+    display: block;
+    margin-bottom: 5px;
+    font-weight: bold;
+}
+
+input[type="text"],
+input[type="email"],
+input[type="password"],
+input[type="number"],
+input[type="date"],
+select {
+    width: 100%;
+    padding: 10px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+    box-sizing: border-box;
+}
+
+button {
+    background: #5cb85c;
+    color: #fff;
+    padding: 10px 20px;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 16px;
+    transition: background 0.3s, transform 0.3s;
+}
+
+button:hover {
+    background: #4cae4c;
+    transform: translateY(-2px);
+}
+
+.alert {
+    padding: 10px;
+    margin-bottom: 15px;
+    border-radius: 4px;
+}
+
+.alert-success {
+    background-color: #d4edda;
+    border-color: #c3e6cb;
+    color: #155724;
+}
+
+.alert-error {
+    background-color: #f8d7da;
+    border-color: #f5c6cb;
+    color: #721c24;
+}
+
+.logout-btn {
+    float: right;
+    background: #dc3545;
+    color: #fff;
+    padding: 8px 16px;
+    text-decoration: none;
+    border-radius: 4px;
+    display: inline-block;
+}
+
+.logout-btn:hover {
+    background: #c82333;
+}
+
+table {
+    width: 100%;
+    margin-top: 20px;
+    border-collapse: collapse;
+}
+
+th, td {
+    padding: 10px;
+    border-bottom: 1px solid #ddd;
+    text-align: left;
+}
+
+th {
+    background-color: #f4f4f4;
+}
+
+select {
+    -webkit-appearance: none;
+    -moz-appearance: none;
+    appearance: none;
+    background: url('data:image/svg+xml;utf8,<svg x...') no-repeat right .75rem center / 14px 12px;
+}

static/class_detail.js

@@ -0,0 +1,38 @@
+function editAssignment(assignmentId, currentDeadline) {
+    const newDeadline = prompt("请输入新的截止日期（格式：YYYY-MM-DD）:", currentDeadline);
+    if (newDeadline) {
+        fetch(`/teacher/edit_assignment/${assignmentId}`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({ deadline: newDeadline })
+        })
+        .then(response => {
+            if (response.ok) {
+                alert('截止日期已更新');
+                location.reload();
+            } else {
+                alert('更新失败');
+            }
+        })
+        .catch(error => console.error('Error:', error));
+    }
+}
+
+function deleteAssignment(assignmentId) {
+    if (confirm("您确定要删除这个作业吗？")) {
+        fetch(`/teacher/delete_assignment/${assignmentId}`, {
+            method: 'DELETE'
+        })
+        .then(response => {
+            if (response.ok) {
+                alert('作业已删除');
+                location.reload();
+            } else {
+                alert('删除失败');
+            }
+        })
+        .catch(error => console.error('Error:', error));
+    }
+}

static/index.css

@@ -0,0 +1,312 @@
+:root {
+    --primary-color: #1890ff;
+    --secondary-color: #40a9ff;
+    --background-color: #f0f2f5;
+    --text-color: #333;
+    --border-color: #ddd;
+}
+
+body {
+    font-family: 'Helvetica Neue', Arial, sans-serif;
+    background-color: var(--background-color);
+    margin: 0;
+    padding: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    min-height: 100vh;
+}
+
+.container {
+    background-color: #ffffff;
+    border-radius: 12px;
+    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
+    padding: 40px;
+    width: 100%;
+    max-width: 480px;
+    text-align: center;
+    transition: transform 0.3s ease;
+}
+
+.container:hover {
+    transform: translateY(-5px);
+}
+
+.image-container {
+    margin-bottom: 30px;
+    border-radius: 12px;
+    overflow: hidden;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
+
+.image-container img {
+    width: 100%;
+    height: auto;
+    display: block;
+    transition: transform 0.3s ease;
+}
+
+.loading-indicator {
+    display: none;
+    margin-top: 15px;
+    font-size: 16px;
+    color: #666;
+    text-align: center;
+}
+
+.image-container:hover img {
+    transform: scale(1.05);
+}
+
+h1 {
+    color: var(--text-color);
+    font-size: 28px;
+    margin-bottom: 30px;
+    font-weight: 600;
+}
+
+.form-field {
+    margin-bottom: 25px;
+    text-align: left;
+}
+
+label {
+    display: block;
+    margin-bottom: 8px;
+    color: var(--text-color);
+    font-weight: 500;
+    font-size: 14px;
+}
+
+select {
+    width: 100%;
+    padding: 12px;
+    border: 2px solid var(--border-color);
+    border-radius: 6px;
+    font-size: 16px;
+    transition: border-color 0.3s ease;
+}
+
+select:focus {
+    outline: none;
+    border-color: var(--primary-color);
+}
+
+.file-input-wrapper {
+    position: relative;
+    overflow: visible;
+    display: inline-block;
+    width: 100%;
+}
+
+.file-input-button {
+    background-color: #f0f0f0;
+    border: 2px solid var(--border-color);
+    color: var(--text-color);
+    padding: 12px 15px;
+    border-radius: 6px;
+    font-size: 16px;
+    cursor: pointer;
+    display: inline-block;
+    width: 100%;
+    text-align: center;
+    box-sizing: border-box;
+    transition: all 0.3s ease;
+}
+
+.file-input-button:hover {
+    background-color: #e0e0e0;
+    border-color: var(--primary-color);
+}
+
+.file-input-button input[type="file"] {
+    display: none;
+}
+
+#file-name {
+    margin-top: 8px;
+    font-size: 14px;
+    color: #666;
+}
+
+button[type="submit"], button[id="verify-submit-button"] {
+    background-color: var(--primary-color);
+    color: white;
+    border: none;
+    padding: 14px 20px;
+    border-radius: 6px;
+    font-size: 16px;
+    cursor: pointer;
+    width: 100%;
+    transition: background-color 0.3s ease, transform 0.3s ease;
+    margin-top: 25px;
+    font-weight: 500;
+}
+
+button[type="submit"]:hover, button[id="verify-submit-button"]:hover {
+    background-color: var(--secondary-color);
+    transform: translateY(-2px);
+}
+
+button[type="submit"]:disabled, button[id="verify-submit-button"]:disabled {
+    background-color: #d3d3d3;
+    cursor: not-allowed;
+}
+
+.progress-container {
+    margin-top: 25px;
+    display: none;
+}
+
+.progress {
+    height: 12px;
+    background-color: #f0f0f0;
+    border-radius: 6px;
+    overflow: hidden;
+    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
+}
+
+.progress-bar {
+    height: 100%;
+    background-color: var(--primary-color);
+    width: 0;
+    transition: width 0.3s ease;
+}
+
+#progress-percentage {
+    font-size: 14px;
+    color: #666;
+    margin-top: 8px;
+    font-weight: 500;
+}
+
+#status {
+    margin-top: 20px;
+    font-size: 16px;
+    color: #666;
+    font-weight: 500;
+}
+
+.upload-stats {
+    margin-top: 15px;
+    font-size: 14px;
+    color: #666;
+    display: flex;
+    justify-content: space-between;
+}
+
+.upload-stats span {
+    display: inline-block;
+}
+
+.button-group {
+    display: grid;
+    grid-template-columns: repeat(2, 1fr);
+    gap: 20px;
+    margin-top: 30px;
+}
+
+.action-card {
+    background: white;
+    border-radius: 12px;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+    overflow: hidden;
+    transition: all 0.3s ease;
+}
+
+.action-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
+}
+
+.verification-container {
+    margin-top: 25px;
+}
+
+.verification-input {
+    width: 100%;
+    padding: 12px;
+    border: 2px solid var(--border-color);
+    border-radius: 6px;
+    font-size: 16px;
+    text-align: center;
+    margin-bottom: 15px;
+    transition: border-color 0.3s ease;
+}
+
+.verification-input:focus {
+    outline: none;
+    border-color: var(--primary-color);
+}
+
+.download-link-button, .preview-button {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    padding: 20px;
+    width: 100%;
+    border: none;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    font-weight: 500;
+    font-size: 14px;
+    color: white;
+    background-size: 200% 200%;
+    animation: rainbow 5s ease infinite;
+}
+
+.download-link-button {
+    background-image: linear-gradient(45deg, #ff9a9e, #fad0c4, #ffecd2, #fcb69f);
+}
+
+.preview-button {
+    background-image: linear-gradient(45deg, #a1c4fd, #c2e9fb, #d4fc79, #96e6a1);
+}
+
+.download-link-button:hover, .preview-button:hover {
+    background-size: 100% 100%;
+}
+
+.logout-button:hover {
+    background-color: var(--secondary-color);
+    transform: translateY(-2px);
+}
+
+.logout-button {
+    background-color: var(--primary-color);
+    color: white;
+    border: none;
+    padding: 14px 20px;
+    border-radius: 6px;
+    font-size: 16px;
+    cursor: pointer;
+    width: 100%;
+    transition: background-color 0.3s ease, transform 0.3s ease;
+    margin-bottom: 25px; /* 适当的间距以与表单分隔开 */
+    font-weight: 500;
+}
+
+.button-icon {
+    font-size: 24px;
+    margin-bottom: 10px;
+}
+
+@keyframes rainbow {
+    0% { background-position: 0% 50% }
+    50% { background-position: 100% 50% }
+    100% { background-position: 0% 50% }
+}
+
+@media (max-width: 600px) {
+    .container {
+        padding: 30px;
+        max-width: 90%;
+    }
+}
+
+@media (max-width: 480px) {
+    .button-group {
+        grid-template-columns: 1fr;
+    }
+}

static/index.js

@@ -0,0 +1,275 @@
+document.querySelector('.file-input-button').addEventListener('click', function() {
+    document.getElementById('file').click();
+});
+
+document.getElementById('file').addEventListener('change', function(e) {
+    const fileName = e.target.files[0] ? e.target.files[0].name : '未选择文件';
+    document.getElementById('file-name').textContent = fileName;
+});
+
+document.getElementById('upload-form').addEventListener('submit', async (e) => {
+    e.preventDefault();
+    handleSubmission();
+});
+
+document.getElementById('verify-submit-button').addEventListener('click', async () => {
+    await validateCodeAndSubmit();
+});
+
+async function handleSubmission() {
+    const assignment = document.getElementById('assignment').value;
+    const file = document.getElementById('file').files[0];
+    const statusDiv = document.getElementById('status');
+
+    if (!assignment || !file) {
+        alert('请选择作业，并选择一个文件。');
+        return;
+    }
+
+    setLoadingState(true);
+
+    try {
+        const recordResponse = await fetch('/record-submission', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({ assignment, filename: file.name })
+        });
+
+        if (recordResponse.status === 401) {
+            setLoadingState(false);
+            document.getElementById('verification-container').style.display = 'block';
+
+            const emailResponse = await fetch('/generate-code', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({ assignment })
+            });
+
+            if (emailResponse.ok) {
+                alert('作业已提交过，请输入验证码提交');
+            } else {
+                const errorData = await emailResponse.json();
+                throw new Error(`发送验证码失败: ${errorData.error}`);
+            }
+        } else if (!recordResponse.ok) {
+            const errorRecordData = await recordResponse.json();
+            throw new Error(`记录提交信息失败: ${errorRecordData.error}`);
+        } else {
+            const data = await recordResponse.json();
+            await uploadFile(data.upload_url, file, statusDiv);
+            alert('文件上传并记录成功');
+        }
+    } catch (error) {
+        console.error('错误:', error);
+        statusDiv.textContent = `错误: ${error.message}`;
+        alert('发生错误: ' + error.message);
+    } finally {
+        setLoadingState(false);
+    }
+}
+
+async function validateCodeAndSubmit() {
+    const assignment = document.getElementById('assignment').value;
+    const file = document.getElementById('file').files[0];
+    const code = document.getElementById('verification-code').value;
+    const statusDiv = document.getElementById('status');
+
+    setLoadingState(true, true);
+
+    try {
+        const validateResponse = await fetch('/validate-code', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({ assignment, code })
+        });
+
+        if (validateResponse.ok) {
+            const { upload_url } = await validateResponse.json();
+            await uploadFile(upload_url, file, statusDiv);
+            alert('文件上传并记录成功');
+            document.getElementById('verification-container').style.display = 'none';
+        } else {
+            const errorData = await validateResponse.json();
+            throw new Error(`验证码错误: ${errorData.error}`);
+        }
+    } catch (error) {
+        console.error('错误:', error);
+        statusDiv.textContent = `错误: ${error.message}`;
+        alert('发生错误: ' + error.message);
+    } finally {
+        setLoadingState(false, true);
+    }
+}
+
+async function uploadFile(upload_url, file, statusDiv) {
+    const progressContainer = document.getElementById('progress-container');
+    const progressBar = document.getElementById('progress-bar');
+    const progressPercentage = document.getElementById('progress-percentage');
+    const uploadSpeed = document.getElementById('upload-speed');
+    const uploadSize = document.getElementById('upload-size');
+    const uploadTime = document.getElementById('upload-time');
+
+    statusDiv.textContent = '正在上传文件...';
+    const totalSize = file.size;
+    let uploadedSize = 0;
+    let startTime = Date.now();
+
+    progressContainer.style.display = 'block';
+
+    const updateProgress = (additionalProgress = 0) => {
+        uploadedSize += additionalProgress;
+        const percentComplete = (uploadedSize / totalSize) * 100;
+        const elapsedTime = (Date.now() - startTime) / 1000;
+        const speed = uploadedSize / elapsedTime;
+        const remainingSize = totalSize - uploadedSize;
+        const estimatedRemainingTime = speed > 0 ? remainingSize / speed : 0;
+
+        progressBar.style.width = percentComplete + '%';
+        progressPercentage.textContent = percentComplete.toFixed(2) + '%';
+        uploadSpeed.textContent = `速度: ${formatSize(speed)}/s`;
+        uploadSize.textContent = `${formatSize(uploadedSize)} / ${formatSize(totalSize)}`;
+        uploadTime.textContent = `剩余时间: ${formatTime(estimatedRemainingTime)}`;
+    };
+
+    const progressInterval = setInterval(() => {
+        if (uploadedSize < totalSize) {
+            updateProgress(totalSize / 100);
+        }
+    }, 200);
+
+    const uploadResponse = await fetch(upload_url, {
+        method: 'PUT',
+        body: file,
+        headers: {
+            'Content-Type': 'application/octet-stream'
+        }
+    });
+
+    clearInterval(progressInterval);
+
+    if (!uploadResponse.ok) {
+        throw new Error(`上传失败: ${uploadResponse.statusText}`);
+    }
+
+    updateProgress(totalSize - uploadedSize);
+}
+
+function setLoadingState(isLoading, isVerify = false) {
+    const submitButton = document.querySelector('button[type="submit"]');
+    const verifyButton = document.getElementById('verify-submit-button');
+    const container = isVerify ? verifyButton.parentElement : submitButton.parentElement;
+
+    const loadingIndicator = container.querySelector('.loading-indicator') || document.createElement('div');
+    loadingIndicator.className = 'loading-indicator';
+    loadingIndicator.innerHTML = '<span>加载中...</span>';
+    loadingIndicator.style.display = isLoading ? 'block' : 'none';
+
+    if (!loadingIndicator.parentElement) {
+        container.appendChild(loadingIndicator);
+    }
+
+    if (isVerify) {
+        verifyButton.disabled = isLoading;
+    } else {
+        submitButton.disabled = isLoading;
+    }
+}
+
+function formatSize(bytes) {
+    if (bytes === 0) return '0 Bytes';
+    const k = 1024;
+    const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
+}
+
+function formatTime(seconds) {
+    if (isNaN(seconds) || !isFinite(seconds)) {
+        return '计算中';
+    }
+    if (seconds < 60) return Math.round(seconds) + ' 秒';
+    const minutes = Math.floor(seconds / 60);
+    const remainingSeconds = Math.round(seconds % 60);
+    return `${minutes} 分 ${remainingSeconds} 秒`;
+}
+
+function previewTable(apiUrl, title) {
+    fetch(apiUrl)
+        .then(response => response.json())
+        .then(data => {
+            const newWindow = window.open('', '_blank');
+            newWindow.document.write('<html><head><title>' + title + '</title><style>');
+            newWindow.document.write('table { width: 100%; border-collapse: collapse; margin-top: 10px; }');
+            newWindow.document.write('th, td { border: 1px solid #ddd; padding: 8px; text-align: left; word-wrap: break-word; }');
+            newWindow.document.write('th { background-color: #f2f2f2; }');
+            newWindow.document.write('body { font-family: Arial, sans-serif; padding: 20px; }');
+            newWindow.document.write('</style></head><body>');
+            newWindow.document.write('<h2>' + title + '</h2>');
+
+            const table = newWindow.document.createElement('table');
+
+            if (data.length > 0) {
+                let headers;
+                if (title === '预览统计表格') {
+                    headers = ['时间', '提交的文件', '姓名', '学号', '作业'];
+                } else {
+                    headers = ['学号', '姓名', '作业', '提交情况', '提交的文件'];
+                }
+
+                const thead = newWindow.document.createElement('thead');
+                const tr = newWindow.document.createElement('tr');
+                headers.forEach((header, index) => {
+                    const th = newWindow.document.createElement('th');
+                    th.textContent = header;
+                    // 设置列宽
+                    if (title === '预览统计表格') {
+                        if (index === 0) th.style.width = '20%'; // 时间
+                        else if (index === 1) th.style.width = '30%'; // 提交的文件
+                        else if (index === 2) th.style.width = '15%'; // 姓名
+                        else if (index === 3) th.style.width = '15%'; // 学号
+                        else if (index === 4) th.style.width = '20%'; // 作业
+                    } else {
+                        if (index === 0) th.style.width = '15%'; // 学号
+                        else if (index === 1) th.style.width = '15%'; // 姓名
+                        else if (index === 2) th.style.width = '20%'; // 作业
+                        else if (index === 3) th.style.width = '15%'; // 提交情况
+                        else if (index === 4) th.style.width = '35%'; // 提交的文件
+                    }
+                    tr.appendChild(th);
+                });
+                thead.appendChild(tr);
+                table.appendChild(thead);
+            }
+
+            const tbody = newWindow.document.createElement('tbody');
+            data.forEach(row => {
+                const tr = newWindow.document.createElement('tr');
+                if (title === '预览统计表格') {
+                    ['时间', '提交的文件', '姓名', '学号', '作业'].forEach(key => {
+                        const td = newWindow.document.createElement('td');
+                        td.textContent = row[key] || '';
+                        tr.appendChild(td);
+                    });
+                } else {
+                    ['学号', '姓名', '作业', '提交情况', '提交的文件'].forEach(key => {
+                        const td = newWindow.document.createElement('td');
+                        td.textContent = row[key] || '';
+                        tr.appendChild(td);
+                    });
+                }
+                tbody.appendChild(tr);
+            });
+
+            table.appendChild(tbody);
+            newWindow.document.body.appendChild(table);
+            newWindow.document.write('</body></html>');
+            newWindow.document.close();
+        })
+        .catch(error => console.error('Error fetching data:', error));
+}

submissions.csv

@@ -1,20 +0,0 @@
-ID,学生姓名,学号,提交的文件
-2024-07-02T15:38:06.844568,嗷呜呜汪汪汪钦,12345,fastgpt.txt
-2024-07-03T02:01:37.364487,王中王火腿肠,123,mao.png
-2024-07-03T02:02:02.087326,王中王火腿肠,123,《移动互联开发》软件设计考查材料.rar
-2024-07-03T02:31:23.019179,秀儿,000,SUS 304 Stainless Steel.png
-2024-07-03T02:31:55.184382,秀儿,000,阅读1.pdf
-2024-07-03T02:35:50.030507,嘿！,324,计算机网络_数据链路层.ppt
-2024-07-03T02:37:23.232007,CC,34534,"性学观止 (贺兰特·凯查杜里安, 胡颖翀) (Z-Library).pdf"
-2024-07-03T02:40:42.161975,4324,4234,数学分析 陈纪修 第三版 上 by 陈纪修，于崇华，金路 (z-lib.org).pdf
-2024-07-03T02:42:47.614487,324,4234,男人来自火星，女人来自金星（套装共4册） (约翰·格雷) (Z-Library).pdf
-2024-07-03T02:43:01.033652,534534,543534,数学分析 陈纪修 第三版 上 by 陈纪修，于崇华，金路 (z-lib.org).pdf
-2024-07-03T02:46:15.397526,CCC,AAA,"周易译注 (黄寿祺,张善文) (Z-Library).pdf"
-2024-07-03T02:48:26.189052,2423,423423,阅读1.pdf
-2024-07-03T03:06:53.527517,李顺,342,homework1,计算机网络_数据链路层.ppt
-2024-07-03T03:10:31.977965,Sure,324234,homework2,Sure_324234_彩虹易支付纯净源码.zip
-2024-07-03T03:15:33.951611,342,453534,homework2,342_453534_男人来自火星，女人来自金星（套装共4册） (约翰·格雷) (Z-Library).pdf
-2024-07-03T03:22:12.013752,李无天,983,homework3,李无天_983_真正全集：王阳明全集（以权威的隆庆初刻本《王文成公全书》为底本，增补2卷旧本未刊内容！王阳明的“心学哲理、文治武功、传奇人生”全在这... (Z-Library).pdf
-2024-07-03T03:24:24.223088,王刚,324,homework3,王刚_324_期末复习.pptx
-2024-07-06T19:16:46.811930,嗷呜呜0706,321,homework1,嗷呜呜0706_321_知行合一王阳明套装 (度阴山) (Z-Library).pdf
-2024-07-07T00:28:05.848994,test,432,homework1,期末复习.pptx

templates/admin_login.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Admin Login</title>
+    <link rel="stylesheet" href="/static/admin.css">
+    <link rel="stylesheet" href="/static/base.css">
+</head>
+<body>
+    <div class="container">
+        <h1>Admin Login</h1>
+        {% with messages = get_flashed_messages(with_categories=true) %}
+            {% if messages %}
+                {% for category, message in messages %}
+                    <div class="alert alert-{{ category }}">{{ message }}</div>
+                {% endfor %}
+            {% endif %}
+        {% endwith %}
+        <form method="POST">
+            <div class="form-group">
+                <label for="username">Username:</label>
+                <input type="text" id="username" name="username" required>
+            </div>
+            <div class="form-group">
+                <label for="password">Password:</label>
+                <input type="password" id="password" name="password" required>
+            </div>
+            <button type="submit">Login</button>
+        </form>
+    </div>
+</body>
+</html>

templates/admin_panel.html

@@ -0,0 +1,160 @@
+<!DOCTYPE html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>管理面板</title>
+    <link rel="stylesheet" href="/static/admin.css">
+    <link rel="stylesheet" href="/static/base.css">
+</head>
+<body>
+    <div class="container">
+        <h1>管理面板</h1>
+        <a href="{{ url_for('admin_logout') }}" class="logout-btn">登出</a>
+        {% with messages = get_flashed_messages(with_categories=true) %}
+            {% if messages %}
+                {% for category, message in messages %}
+                    <div class="alert alert-{{ category }}">{{ message }}</div>
+                {% endfor %}
+            {% endif %}
+        {% endwith %}
+
+        <h2>添加新专业</h2>
+        <form action="{{ url_for('add_department') }}" method="POST">
+            <div class="form-group">
+                <label for="department_name">专业名称:</label>
+                <input type="text" id="department_name" name="name" required>
+            </div>
+            <button type="submit">添加专业</button>
+        </form>
+
+        <h2>添加新年级</h2>
+        <form action="{{ url_for('add_grade') }}" method="POST">
+            <div class="form-group">
+                <label for="year">年份:</label>
+                <input type="number" id="year" name="year" required min="2000" max="2100">
+            </div>
+            <button type="submit">添加年级</button>
+        </form>
+
+        <h2>添加新班级</h2>
+        <form action="{{ url_for('add_class') }}" method="POST">
+            <div class="form-group">
+                <label for="class_name">班级名称:</label>
+                <input type="text" id="class_name" name="name" required>
+            </div>
+            <div class="form-group">
+                <label for="department_id">专业:</label>
+                <select id="department_id" name="department_id" required>
+                    {% for department in departments %}
+                        <option value="{{ department.id }}">{{ department.name }}</option>
+                    {% endfor %}
+                </select>
+            </div>
+            <div class="form-group">
+                <label for="grade_id">年级:</label>
+                <select id="grade_id" name="grade_id" required>
+                    {% for grade in grades %}
+                        <option value="{{ grade.id }}">{{ grade.year }}</option>
+                    {% endfor %}
+                </select>
+            </div>
+            <button type="submit">添加班级</button>
+        </form>
+
+        <h2>分配教师到班级</h2>
+        <form action="{{ url_for('assign_teacher') }}" method="POST">
+            <div class="form-group">
+                <label for="class_id">班级:</label>
+                <select id="class_id" name="class_id" required>
+                    {% for class in classes %}
+                        <option value="{{ class.id }}">{{ class.name }}</option>
+                    {% endfor %}
+                </select>
+            </div>
+            <div class="form-group">
+                <label for="teacher_id">教师:</label>
+                <select id="teacher_id" name="teacher_id" required>
+                    {% for teacher in teachers %}
+                        <option value="{{ teacher.id }}">{{ teacher.name }}</option>
+                    {% endfor %}
+                </select>
+            </div>
+            <button type="submit">分配教师</button>
+        </form>
+
+        <h2>添加新教师</h2>
+        <form action="{{ url_for('add_teacher') }}" method="POST">
+            <div class="form-group">
+                <label for="teacher_name">教师姓名:</label>
+                <input type="text" id="teacher_name" name="name" required>
+            </div>
+            <div class="form-group">
+                <label for="teacher_email">邮箱:</label>
+                <input type="email" id="teacher_email" name="email" required>
+            </div>
+            <div class="form-group">
+                <label for="teacher_password">密码:</label>
+                <input type="password" id="teacher_password" name="password" required>
+            </div>
+            <button type="submit">添加教师</button>
+        </form>
+
+        <h2>添加新管理员</h2>
+        <form action="{{ url_for('add_administrator') }}" method="POST">
+            <div class="form-group">
+                <label for="admin_username">用户名:</label>
+                <input type="text" id="admin_username" name="username" required>
+            </div>
+            <div class="form-group">
+                <label for="admin_password">密码:</label>
+                <input type="password" id="admin_password" name="password" required>
+            </div>
+            <div class="form-group">
+                <label for="admin_teacher_id">教师:</label>
+                <select id="admin_teacher_id" name="teacher_id" required>
+                    {% for teacher in teachers %}
+                        <option value="{{ teacher.id }}">{{ teacher.name }}</option>
+                    {% endfor %}
+                </select>
+            </div>
+            <button type="submit">添加管理员</button>
+        </form>
+    </div>
+
+    <div id="editFormContainer" style="display: none;">
+        <form id="editForm" method="POST">
+            <input type="hidden" id="editId" name="id">
+            <div class="form-group">
+                <label for="editValue">值:</label>
+                <input type="text" id="editValue" name="value" required>
+            </div>
+            <div class="form-group">
+                <label for="editName">名称:</label>
+                <input type="text" id="editName" name="name" required>
+            </div>
+            <div class="form-group">
+                <label for="editDeadline">截止日期:</label>
+                <input type="date" id="editDeadline" name="deadline" required>
+            </div>
+            <button type="submit">更新任务</button>
+            <button type="button" onclick="hideEditForm()">取消</button>
+        </form>
+    </div>
+
+    <script>
+        function showEditForm(id, value, name, deadline) {
+            document.getElementById('editId').value = id;
+            document.getElementById('editValue').value = value;
+            document.getElementById('editName').value = name;
+            document.getElementById('editDeadline').value = deadline;
+            document.getElementById('editForm').action = `/admin/edit_assignment/${id}`;
+            document.getElementById('editFormContainer').style.display = 'block';
+        }
+
+        function hideEditForm() {
+            document.getElementById('editFormContainer').style.display = 'none';
+        }
+    </script>
+</body>
+</html>

templates/class_detail.html

@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>班级详情</title>
+    <link rel="stylesheet" href="/static/base.css">
+</head>
+<body>
+    <div class="container">
+        <h1>班级详情</h1>
+        <a href="{{ url_for('teacher_panel') }}">返回教师面板</a>
+
+        <h2>作业</h2>
+        <form action="{{ url_for('teacher_add_assignment', class_id=class_id) }}" method="POST">
+            <div class="form-group">
+                <label for="value">作业分值:</label>
+                <input type="text" id="value" name="value" required>
+            </div>
+            <div class="form-group">
+                <label for="name">作业名称:</label>
+                <input type="text" id="name" name="name" required>
+            </div>
+            <div class="form-group">
+                <label for="deadline">截止日期:</label>
+                <input type="date" id="deadline" name="deadline" required>
+            </div>
+            <button type="submit">添加作业</button>
+        </form>
+
+        <h2>现有作业</h2>
+        <table>
+            <thead>
+                <tr>
+                    <th>分值</th>
+                    <th>名称</th>
+                    <th>截止日期</th>
+                    <th>操作</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for assignment in assignments %}
+                    <tr>
+                        <td>{{ assignment.value }}</td>
+                        <td>{{ assignment.name }}</td>
+                        <td>{{ assignment.deadline }}</td>
+                        <td>
+                            <button onclick="editAssignment({{ assignment.id }}, '{{ assignment.deadline }}')">修改</button>
+                            <button onclick="deleteAssignment({{ assignment.id }})">删除</button>
+                        </td>
+                    </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+
+        <h2>学生</h2>
+        <table>
+            <thead>
+                <tr>
+                    <th>学生 ID</th>
+                    <th>学生姓名</th>
+                    <th>邮箱</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for student in students %}
+                    <tr>
+                        <td>{{ student.id }}</td>
+                        <td>{{ student.name }}</td>
+                        <td>{{ student.email }}</td>
+                    </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+    </div>
+
+    <script src="/static/class_detail.js"></script>
+</body>
+</html>

templates/index.html

@@ -0,0 +1,86 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>秀儿文件提交系统</title>
+    <link rel="stylesheet" href="/static/index.css">
+</head>
+<body>
+    <div class="container">
+        <div class="image-container">
+            <img src="/static/image.jpg" alt="描述性文本">
+        </div>
+        <!-- 增加退出按钮 -->
+        <button class="logout-button" onclick="window.location.href='/logout'">退出账号</button>
+        <h1>秀儿文件提交系统</h1>
+        <form id="upload-form">
+            <div class="form-field">
+                <label for="assignment">选择作业:</label>
+                <select id="assignment" name="assignment" required>
+                    <option value="">请选择作业</option>
+                    {% for assignment in assignments %}
+                        <option value="{{ assignment.value }}">{{ assignment.name }} (截止日期: {{ assignment.deadline }})</option>
+                    {% endfor %}
+                </select>
+            </div>
+            <div class="form-field">
+                <label for="file">选择文件:</label>
+                <div class="file-input-wrapper">
+                    <button type="button" class="file-input-button">选择文件 <input type="file" id="file" name="file" required></button>
+                </div>
+                <div id="file-name">未选择文件</div>
+            </div>
+            <button type="submit">提交 (截止日期: 2024.07.03)</button>
+        </form>
+        <div id="status"></div>
+        <div class="progress-container" id="progress-container">
+            <div class="progress">
+                <div class="progress-bar" id="progress-bar"></div>
+            </div>
+            <div id="progress-percentage">0%</div>
+            <div class="upload-stats">
+                <span id="upload-speed">速度: 0 KB/s</span>
+                <span id="upload-size">0 KB / 0 KB</span>
+                <span id="upload-time">剩余时间: 计算中</span>
+            </div>
+        </div>
+        <!-- 验证码输入框和按钮 -->
+        <div id="verification-container" class="verification-container" style="display: none;">
+            <div class="form-field">
+                <label for="verification-code">输入验证码:</label>
+                <input type="text" id="verification-code" class="verification-input" placeholder="请输入验证码">
+            </div>
+            <button id="verify-submit-button">提交验证码</button>
+        </div>
+        <div class="button-group">
+            <div class="action-card">
+                <button class="download-link-button" onclick="window.location.href='/download-submissions'">
+                    <span class="button-icon">📊</span>
+                    下载统计表格
+                </button>
+            </div>
+            <div class="action-card">
+                <button class="download-link-button" onclick="window.location.href='/download-assignment-status'">
+                    <span class="button-icon">📥</span>
+                    下载作业提交情况
+                </button>
+            </div>
+            <div class="action-card">
+                <button class="preview-button" onclick="previewTable('/api/submissions', '预览统计表格')">
+                    <span class="button-icon">👁️</span>
+                    预览统计表格
+                </button>
+            </div>
+            <div class="action-card">
+                <button class="preview-button" onclick="previewTable('/api/assignment-status', '预览作业提交情况')">
+                    <span class="button-icon">🔍</span>
+                    预览作业提交情况
+                </button>
+            </div>
+        </div>
+    </div>
+
+    <script src="/static/index.js"></script>
+</body>
+</html>

templates/login.html

@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>登录页面</title>
+    <style>
+        body {
+            font-family: 'Helvetica Neue', Arial, sans-serif;
+            background-color: #f0f2f5;
+            margin: 0;
+            padding: 0;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+        }
+        .container {
+            background-color: #ffffff;
+            border-radius: 12px;
+            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
+            padding: 40px;
+            width: 100%;
+            max-width: 480px;
+            text-align: center;
+            transition: transform 0.3s ease;
+        }
+        .container:hover {
+            transform: translateY(-5px);
+        }
+        .image-container {
+            margin-bottom: 30px;
+            border-radius: 12px;
+            overflow: hidden;
+            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        }
+        .image-container img {
+            width: 100%;
+            height: auto;
+            display: block;
+            transition: transform 0.3s ease;
+        }
+        .image-container:hover img {
+            transform: scale(1.05);
+        }
+        h1 {
+            color: #333;
+            font-size: 28px;
+            margin-bottom: 30px;
+            font-weight: 600;
+        }
+        .form-field {
+            margin-bottom: 25px;
+            text-align: left;
+        }
+        label {
+            display: block;
+            margin-bottom: 8px;
+            color: #333;
+            font-weight: 500;
+            font-size: 14px;
+        }
+        input[type="text"], input[type="password"] {
+            width: 100%;
+            padding: 12px;
+            border: 2px solid #ddd;
+            border-radius: 6px;
+            font-size: 16px;
+            transition: border-color 0.3s ease;
+        }
+        input[type="text"]:focus, input[type="password"]:focus {
+            outline: none;
+            border-color: #1890ff;
+        }
+        button[type="submit"], button[type="button"] {
+            background-color: #1890ff;
+            color: white;
+            border: none;
+            padding: 14px 20px;
+            border-radius: 6px;
+            font-size: 16px;
+            cursor: pointer;
+            width: 100%;
+            transition: background-color 0.3s ease, transform 0.3s ease;
+            margin-top: 25px;
+            font-weight: 500;
+        }
+        button[type="submit"]:hover, button[type="button"]:hover {
+            background-color: #40a9ff;
+            transform: translateY(-2px);
+        }
+        .error {
+            color: red;
+            margin-bottom: 15px;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="image-container">
+            <img src="../static/dogking.jpg" alt="Dog King">
+        </div>
+        <h1>登录</h1>
+        {% if error %}
+            <div class="error">{{ error }}</div>
+        {% endif %}
+        <form action="{{ url_for('login') }}" method="post">
+            <div class="form-field">
+                <label for="student_id">学号:</label>
+                <input type="text" id="student_id" name="student_id" required>
+            </div>
+            <div class="form-field">
+                <label for="password">密码:</label>
+                <input type="password" id="password" name="password" required>
+            </div>
+            <button type="submit">登录</button>
+            <button type="button" onclick="location.href='{{ url_for('reset_password') }}'">重置密码</button>
+        </form>
+    </div>
+</body>
+</html>

templates/reset_password.html

@@ -0,0 +1,131 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>重置密码</title>
+    <style>
+        body {
+            font-family: 'Helvetica Neue', Arial, sans-serif;
+            background-color: #f0f2f5;
+            margin: 0;
+            padding: 0;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+        }
+
+        .container {
+            background-color: #ffffff;
+            border-radius: 12px;
+            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
+            padding: 40px;
+            width: 100%;
+            max-width: 480px;
+            text-align: center;
+            transition: transform 0.3s ease;
+        }
+
+        .container:hover {
+            transform: translateY(-5px);
+        }
+
+        h1 {
+            color: #333;
+            font-size: 28px;
+            margin-bottom: 30px;
+            font-weight: 600;
+        }
+
+        .form-field {
+            margin-bottom: 25px;
+            text-align: left;
+        }
+
+        label {
+            display: block;
+            margin-bottom: 8px;
+            color: #333;
+            font-weight: 500;
+            font-size: 14px;
+        }
+
+        input[type="text"], input[type="email"], input[type="password"] {
+            width: 100%;
+            padding: 12px;
+            border: 2px solid #ddd;
+            border-radius: 6px;
+            font-size: 16px;
+            transition: border-color 0.3s ease;
+        }
+
+        input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus {
+            outline: none;
+            border-color: #1890ff;
+        }
+
+        .error, .success {
+            margin-bottom: 15px;
+        }
+
+        .error {
+            color: red;
+        }
+
+        .success {
+            color: green;
+        }
+
+        button[type="submit"], button[type="button"] {
+            background-color: #1890ff;
+            color: white;
+            border: none;
+            padding: 14px 20px;
+            border-radius: 6px;
+            font-size: 16px;
+            cursor: pointer;
+            width: 100%;
+            transition: background-color 0.3s ease, transform 0.3s ease;
+            margin-top: 25px;
+            font-weight: 500;
+        }
+
+        button[type="submit"]:hover, button[type="button"]:hover {
+            background-color: #40a9ff;
+            transform: translateY(-2px);
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h1>重置密码</h1>
+        {% if error %}
+            <div class="error">{{ error }}</div>
+        {% endif %}
+        {% if success %}
+            <div class="success">{{ success }}</div>
+        {% endif %}
+        <form action="{{ url_for('reset_password') }}" method="post">
+            <div class="form-field">
+                <label for="student_id">学号:</label>
+                <input type="text" id="student_id" name="student_id" required>
+            </div>
+            <div class="form-field">
+                <label for="email">邮箱:</label>
+                <input type="email" id="email" name="email" required>
+            </div>
+            <div class="form-field">
+                <label for="code">验证码:</label>
+                <input type="text" id="code" name="code">
+            </div>
+            <div class="form-field">
+                <label for="new_password">新密码:</label>
+                <input type="password" id="new_password" name="new_password">
+            </div>
+            <button type="submit" name="reset_password">验证并修改密码</button>
+            <button type="submit" name="send_code">发送验证码</button>
+        </form>
+    </div>
+</body>
+</html>

templates/teacher_login.html

@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Teacher Login</title>
+    <link rel="stylesheet" href="/static/style.css"> <!-- 您可以在此处链接到您的全局样式表 -->
+    <link rel="stylesheet" href="/static/base.css">
+</head>
+<body>
+    <div class="container">
+        <h1>Teacher Login</h1>
+        {% with messages = get_flashed_messages(with_categories=true) %}
+            {% if messages %}
+                {% for category, message in messages %}
+                    <div class="alert alert-{{ category }}">{{ message }}</div>
+                {% endfor %}
+            {% endif %}
+        {% endwith %}
+
+        <form action="{{ url_for('teacher_login') }}" method="POST">
+            <div class="form-group">
+                <label for="email">Email:</label>
+                <input type="email" id="email" name="email" required>
+            </div>
+            <div class="form-group">
+                <label for="password">Password:</label>
+                <input type="password" id="password" name="password" required>
+            </div>
+            <button type="submit">Login</button>
+        </form>
+    </div>
+</body>
+</html>

templates/teacher_panel.html

@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>教师面板</title>
+    <link rel="stylesheet" href="/static/teacher.css">
+    <link rel="stylesheet" href="/static/base.css">
+</head>
+<body>
+    <div class="container">
+        <h1>教师面板</h1>
+        <a href="{{ url_for('teacher_logout') }}" class="logout-btn">登出</a>
+        {% with messages = get_flashed_messages(with_categories=true) %}
+            {% if messages %}
+                {% for category, message in messages %}
+                    <div class="alert alert-{{ category }}">{{ message }}</div>
+                {% endfor %}
+            {% endif %}
+        {% endwith %}
+
+        <h2>选择班级</h2>
+        <select id="class_select" onchange="navigateToClass(this.value)">
+            <option value="">选择一个班级</option>
+            {% for class in classes %}
+                <option value="{{ class.id }}">{{ class.name }}</option>
+            {% endfor %}
+        </select>
+
+        <!-- 额外内容如班级作业和学生提交将在这里显示。 -->
+    </div>
+    <script>
+        function navigateToClass(classId) {
+            if (classId) {
+                window.location.href = `/teacher/class/${classId}`;
+            }
+        }
+    </script>
+</body>
+</html>