141 lines
4.5 KiB
Python
141 lines
4.5 KiB
Python
from flask import Flask, render_template, session, g, Markup, redirect, url_for
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from flask_login import LoginManager
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from app.models.user import db, User
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from app.controllers.user import user_bp
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from app.controllers.book import book_bp
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from app.controllers.borrow import borrow_bp
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from app.controllers.inventory import inventory_bp
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from flask_login import LoginManager, current_user
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import os
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login_manager = LoginManager()
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def create_app(config=None):
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app = Flask(__name__)
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# 配置应用
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app.config.from_mapping(
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SECRET_KEY=os.environ.get('SECRET_KEY', 'dev_key_replace_in_production'),
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SQLALCHEMY_DATABASE_URI='mysql+pymysql://book20250428:booksystem@27.124.22.104/book_system',
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SQLALCHEMY_TRACK_MODIFICATIONS=False,
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PERMANENT_SESSION_LIFETIME=86400 * 7, # 7天
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# 邮件配置
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EMAIL_HOST='smtp.qq.com',
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EMAIL_PORT=587,
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EMAIL_ENCRYPTION='starttls',
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EMAIL_USERNAME='3399560459@qq.com',
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EMAIL_PASSWORD='fzwhyirhbqdzcjgf',
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EMAIL_FROM='3399560459@qq.com',
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EMAIL_FROM_NAME='BOOKSYSTEM_OFFICIAL'
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)
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# 实例配置，如果存在
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app.config.from_pyfile('config.py', silent=True)
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# 初始化数据库
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db.init_app(app)
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# 初始化 Flask-Login
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login_manager.init_app(app)
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login_manager.login_view = 'user.login'
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@login_manager.user_loader
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def load_user(user_id):
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return User.query.get(int(user_id))
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# 注册蓝图
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app.register_blueprint(user_bp, url_prefix='/user')
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app.register_blueprint(book_bp, url_prefix='/book')
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app.register_blueprint(borrow_bp, url_prefix='/borrow')
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app.register_blueprint(inventory_bp)
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# 创建数据库表
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with app.app_context():
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# 先导入基础模型
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from app.models.user import User, Role
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from app.models.book import Book, Category
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# 创建表
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db.create_all()
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# 再导入依赖模型 - 但不在这里定义关系
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from app.models.borrow import BorrowRecord
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from app.models.inventory import InventoryLog
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# 移除这些重复的关系定义
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# Book.borrow_records = db.relationship('BorrowRecord', backref='book', lazy='dynamic')
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# Book.inventory_logs = db.relationship('InventoryLog', backref='book', lazy='dynamic')
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# Category.books = db.relationship('Book', backref='category', lazy='dynamic')
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# 创建默认角色
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from app.models.user import Role
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if not Role.query.filter_by(id=1).first():
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admin_role = Role(id=1, role_name='管理员', description='系统管理员')
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db.session.add(admin_role)
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if not Role.query.filter_by(id=2).first():
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user_role = Role(id=2, role_name='普通用户', description='普通用户')
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db.session.add(user_role)
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# 创建管理员账号
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if not User.query.filter_by(username='admin').first():
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admin = User(
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username='admin',
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password='admin123',
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email='admin@example.com',
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role_id=1,
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nickname='系统管理员'
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)
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db.session.add(admin)
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# 创建基础分类
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from app.models.book import Category
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if not Category.query.first():
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categories = [
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Category(name='文学', sort=1),
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Category(name='计算机', sort=2),
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Category(name='历史', sort=3),
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Category(name='科学', sort=4),
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Category(name='艺术', sort=5),
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Category(name='经济', sort=6),
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Category(name='哲学', sort=7),
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Category(name='教育', sort=8)
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]
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db.session.add_all(categories)
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db.session.commit()
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# 其余代码保持不变...
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@app.before_request
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def load_logged_in_user():
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user_id = session.get('user_id')
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if user_id is None:
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g.user = None
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else:
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g.user = User.query.get(user_id)
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@app.route('/')
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def index():
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if not current_user.is_authenticated:
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return redirect(url_for('user.login'))
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return render_template('index.html') # 无需传递current_user，Flask-Login自动提供
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@app.errorhandler(404)
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def page_not_found(e):
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return render_template('404.html'), 404
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@app.template_filter('nl2br')
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def nl2br_filter(s):
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if s:
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return Markup(s.replace('\n', '<br>'))
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return s
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return app
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@app.context_processor
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def inject_now():
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return {'now': datetime.datetime.now()}
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