0914

app/models/attendance.py

@@ -6,7 +6,7 @@ class WeeklyAttendance(db.Model):
     __tablename__ = 'weekly_attendance'
 
     record_id = db.Column(db.Integer, primary_key=True)
-    student_number = db.Column(db.String(20), db.ForeignKey('students.student_number'), nullable=False)
+    student_number = db.Column(db.String(20), db.ForeignKey('students.student_number', ondelete='CASCADE'), nullable=False)
     name = db.Column(db.String(50), nullable=False)
     week_start_date = db.Column(db.Date, nullable=False, index=True)
     week_end_date = db.Column(db.Date, nullable=False, index=True)
@@ -30,8 +30,8 @@ class DailyAttendanceDetail(db.Model):
     __tablename__ = 'daily_attendance_details'
 
     detail_id = db.Column(db.Integer, primary_key=True)
-    weekly_record_id = db.Column(db.Integer, db.ForeignKey('weekly_attendance.record_id'))
+    weekly_record_id = db.Column(db.Integer, db.ForeignKey('weekly_attendance.record_id', ondelete='CASCADE'))
-    student_number = db.Column(db.String(20), db.ForeignKey('students.student_number'), nullable=False)
+    student_number = db.Column(db.String(20), db.ForeignKey('students.student_number', ondelete='CASCADE'), nullable=False)
     attendance_date = db.Column(db.Date, nullable=False, index=True)
     status = db.Column(db.String(20), default='正常')
     check_in_time = db.Column(db.Time)
@@ -53,7 +53,7 @@ class LeaveRecord(db.Model):
     __tablename__ = 'leave_records'
 
     leave_id = db.Column(db.Integer, primary_key=True)
-    student_number = db.Column(db.String(20), db.ForeignKey('students.student_number'), nullable=False)
+    student_number = db.Column(db.String(20), db.ForeignKey('students.student_number', ondelete='CASCADE'), nullable=False)
     leave_start_date = db.Column(db.Date, nullable=False)
     leave_end_date = db.Column(db.Date, nullable=False)
     leave_reason = db.Column(db.Text)

app/models/student.py

@@ -6,7 +6,7 @@ class Student(db.Model):
     __tablename__ = 'students'
 
     student_id = db.Column(db.Integer, primary_key=True)
-    student_number = db.Column(db.String(20), db.ForeignKey('users.student_number'), unique=True, nullable=False)
+    student_number = db.Column(db.String(20), db.ForeignKey('users.student_number', ondelete='CASCADE'), unique=True, nullable=False)
     name = db.Column(db.String(50), nullable=False, index=True)
     gender = db.Column(db.Enum('男', '女'), nullable=False)
     grade = db.Column(db.Integer, nullable=False, index=True)

app/static/css/admin.css

@@ -0,0 +1,70 @@
+
+/* 高级搜索样式 */
+.supervisor-checkboxes, .grade-checkboxes {
+    background-color: #f8f9fa;
+}
+
+.supervisor-checkboxes::-webkit-scrollbar,
+.grade-checkboxes::-webkit-scrollbar {
+    width: 6px;
+}
+
+.supervisor-checkboxes::-webkit-scrollbar-track,
+.grade-checkboxes::-webkit-scrollbar-track {
+    background: #f1f1f1;
+    border-radius: 3px;
+}
+
+.supervisor-checkboxes::-webkit-scrollbar-thumb,
+.grade-checkboxes::-webkit-scrollbar-thumb {
+    background: #c1c1c1;
+    border-radius: 3px;
+}
+
+.supervisor-checkboxes::-webkit-scrollbar-thumb:hover,
+.grade-checkboxes::-webkit-scrollbar-thumb:hover {
+    background: #a8a8a8;
+}
+
+.form-check {
+    padding: 2px 0;
+}
+
+.form-check-label {
+    font-size: 0.9rem;
+    cursor: pointer;
+}
+
+.form-check-input:checked + .form-check-label {
+    font-weight: 600;
+    color: #0066cc;
+}
+
+/* 高级搜索区域动画 */
+#advancedSearchArea {
+    transition: all 0.3s ease-in-out;
+    opacity: 0;
+    max-height: 0;
+    overflow: hidden;
+}
+
+#advancedSearchArea[style*="block"] {
+    opacity: 1;
+    max-height: 500px;
+}
+
+/* 搜索标题样式 */
+.text-primary {
+    font-weight: 600 !important;
+}
+
+/* 响应式调整 */
+@media (max-width: 768px) {
+    .supervisor-checkboxes, .grade-checkboxes {
+        max-height: 150px !important;
+    }
+    
+    .col-md-6 {
+        margin-bottom: 1rem;
+    }
+}

app/static/js/admin.js

@@ -0,0 +1,206 @@
+// 高级搜索功能
+let isAdvancedSearchVisible = false;
+
+function toggleAdvancedSearch() {
+    console.log('toggleAdvancedSearch called'); // 调试信息
+    
+    const advancedArea = document.getElementById('advancedSearchArea');
+    const toggleButton = document.querySelector('button[onclick="toggleAdvancedSearch()"]');
+    
+    if (!advancedArea) {
+        console.error('找不到高级搜索区域元素');
+        return;
+    }
+    
+    if (!toggleButton) {
+        console.error('找不到高级搜索切换按钮');
+        return;
+    }
+    
+    if (isAdvancedSearchVisible) {
+        // 隐藏高级搜索
+        advancedArea.style.display = 'none';
+        toggleButton.innerHTML = '<i class="fas fa-cog"></i>';
+        toggleButton.title = '高级搜索';
+        toggleButton.classList.remove('btn-info');
+        toggleButton.classList.add('btn-outline-info');
+        isAdvancedSearchVisible = false;
+        console.log('高级搜索已隐藏');
+    } else {
+        // 显示高级搜索
+        advancedArea.style.display = 'block';
+        toggleButton.innerHTML = '<i class="fas fa-times"></i>';
+        toggleButton.title = '关闭高级搜索';
+        toggleButton.classList.remove('btn-outline-info');
+        toggleButton.classList.add('btn-info');
+        isAdvancedSearchVisible = true;
+        console.log('高级搜索已显示');
+    }
+}
+
+// 导师选择功能
+function selectAllSupervisors() {
+    const checkboxes = document.querySelectorAll('.supervisor-checkboxes input[type="checkbox"]');
+    checkboxes.forEach(checkbox => {
+        checkbox.checked = true;
+    });
+    updateSupervisorCount();
+}
+
+function clearAllSupervisors() {
+    const checkboxes = document.querySelectorAll('.supervisor-checkboxes input[type="checkbox"]');
+    checkboxes.forEach(checkbox => {
+        checkbox.checked = false;
+    });
+    updateSupervisorCount();
+}
+
+// 年级选择功能
+function selectAllGrades() {
+    const checkboxes = document.querySelectorAll('.grade-checkboxes input[type="checkbox"]');
+    checkboxes.forEach(checkbox => {
+        checkbox.checked = true;
+    });
+    updateGradeCount();
+}
+
+function clearAllGrades() {
+    const checkboxes = document.querySelectorAll('.grade-checkboxes input[type="checkbox"]');
+    checkboxes.forEach(checkbox => {
+        checkbox.checked = false;
+    });
+    updateGradeCount();
+}
+
+// 更新导师选择计数
+function updateSupervisorCount() {
+    const checkedCount = document.querySelectorAll('.supervisor-checkboxes input[type="checkbox"]:checked').length;
+    const label = document.querySelector('.supervisor-checkboxes').previousElementSibling;
+    if (label) {
+        if (checkedCount > 0) {
+            label.innerHTML = `导师（已选${checkedCount}个）`;
+            label.classList.add('text-primary');
+        } else {
+            label.innerHTML = '导师（多选）';
+            label.classList.remove('text-primary');
+        }
+    }
+}
+
+// 更新年级选择计数
+function updateGradeCount() {
+    const checkedCount = document.querySelectorAll('.grade-checkboxes input[type="checkbox"]:checked').length;
+    const label = document.querySelector('.grade-checkboxes').previousElementSibling;
+    if (label) {
+        if (checkedCount > 0) {
+            label.innerHTML = `年级（已选${checkedCount}个）`;
+            label.classList.add('text-primary');
+        } else {
+            label.innerHTML = '年级（多选）';
+            label.classList.remove('text-primary');
+        }
+    }
+}
+
+// 检查是否有高级搜索条件被选中
+function hasAdvancedSearchFilters() {
+    const supervisorChecked = document.querySelectorAll('.supervisor-checkboxes input[type="checkbox"]:checked').length > 0;
+    const gradeChecked = document.querySelectorAll('.grade-checkboxes input[type="checkbox"]:checked').length > 0;
+    return supervisorChecked || gradeChecked;
+}
+
+// 智能搜索提示
+function setupSearchHints() {
+    const supervisorCheckboxes = document.querySelectorAll('.supervisor-checkboxes input[type="checkbox"]');
+    const gradeCheckboxes = document.querySelectorAll('.grade-checkboxes input[type="checkbox"]');
+    
+    // 导师搜索计数提示
+    supervisorCheckboxes.forEach(checkbox => {
+        checkbox.addEventListener('change', updateSupervisorCount);
+    });
+    
+    // 年级搜索计数提示
+    gradeCheckboxes.forEach(checkbox => {
+        checkbox.addEventListener('change', updateGradeCount);
+    });
+}
+
+// 清空所有筛选条件
+function clearAllFilters() {
+    // 清空基本搜索
+    const startDate = document.getElementById('start_date');
+    const endDate = document.getElementById('end_date');
+    const studentSearch = document.getElementById('student_search');
+    const sortBy = document.getElementById('sort_by');
+    
+    if (startDate) startDate.value = '';
+    if (endDate) endDate.value = '';
+    if (studentSearch) studentSearch.value = '';
+    if (sortBy) sortBy.value = 'week_start_date_desc';
+    
+    // 清空高级搜索
+    clearAllSupervisors();
+    clearAllGrades();
+    
+    // 提交表单
+    const form = document.getElementById('searchForm');
+    if (form) {
+        form.submit();
+    }
+}
+
+// 导出当前筛选结果
+function exportCurrentFilter() {
+    const form = document.getElementById('searchForm');
+    if (!form) {
+        console.error('找不到搜索表单');
+        return;
+    }
+    
+    const formData = new FormData(form);
+    const params = new URLSearchParams();
+    
+    for (let [key, value] of formData.entries()) {
+        params.append(key, value);
+    }
+    
+    params.set('export', 'excel');
+    
+    const exportUrl = window.location.pathname + '?' + params.toString();
+    console.log('导出URL:', exportUrl);
+    
+    window.location.href = exportUrl;
+}
+
+// 页面加载完成后的初始化
+document.addEventListener('DOMContentLoaded', function() {
+    console.log('admin.js: 页面加载完成，开始初始化');
+    
+    // 检查高级搜索区域是否存在
+    const advancedArea = document.getElementById('advancedSearchArea');
+    if (!advancedArea) {
+        console.warn('高级搜索区域不存在，可能模板未正确更新');
+        return;
+    }
+    
+    // 设置搜索提示
+    setupSearchHints();
+    
+    // 检查URL参数，如果有高级搜索参数则自动展开
+    const urlParams = new URLSearchParams(window.location.search);
+    const hasSupervisorParam = urlParams.getAll('supervisor').length > 0;
+    const hasGradeParam = urlParams.getAll('grade').length > 0;
+    
+    if (hasSupervisorParam || hasGradeParam || hasAdvancedSearchFilters()) {
+        console.log('检测到高级搜索参数，自动展开');
+        toggleAdvancedSearch();
+    }
+    
+    // 初始化计数显示
+    setTimeout(() => {
+        updateSupervisorCount();
+        updateGradeCount();
+    }, 100);
+    
+    console.log('admin.js: 初始化完成');
+});

app/templates/admin/add_student.html

@@ -14,141 +14,257 @@
         </a>
     </div>
 
-    <!-- 添加学生表单 -->
+    <!-- 选项卡导航 -->
-    <div class="row justify-content-center">
+    <ul class="nav nav-tabs mb-4" id="addStudentTabs" role="tablist">
-        <div class="col-lg-8">
+        <li class="nav-item" role="presentation">
-            <div class="card shadow">
+            <button class="nav-link active" id="single-tab" data-bs-toggle="tab" data-bs-target="#single" 
-                <div class="card-header py-3">
+                    type="button" role="tab" aria-controls="single" aria-selected="true">
-                    <h6 class="m-0 font-weight-bold text-primary">
+                <i class="fas fa-user me-2"></i>单个添加
-                        <i class="fas fa-info-circle me-2"></i>学生基本信息
+            </button>
-                    </h6>
+        </li>
+        <li class="nav-item" role="presentation">
+            <button class="nav-link" id="batch-tab" data-bs-toggle="tab" data-bs-target="#batch" 
+                    type="button" role="tab" aria-controls="batch" aria-selected="false">
+                <i class="fas fa-users me-2"></i>批量导入
+            </button>
+        </li>
+    </ul>
+
+    <!-- 选项卡内容 -->
+    <div class="tab-content" id="addStudentTabsContent">
+        <!-- 单个添加选项卡 -->
+        <div class="tab-pane fade show active" id="single" role="tabpanel" aria-labelledby="single-tab">
+            <div class="row justify-content-center">
+                <div class="col-lg-8">
+                    <div class="card shadow">
+                        <div class="card-header py-3">
+                            <h6 class="m-0 font-weight-bold text-primary">
+                                <i class="fas fa-info-circle me-2"></i>学生基本信息
+                            </h6>
+                        </div>
+                        <div class="card-body">
+                            <form id="addStudentForm" method="POST">
+                                <div class="row">
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">学号 <span class="text-danger">*</span></label>
+                                            <input type="text" class="form-control" name="student_number" id="student_number" required
+                                                   placeholder="请输入学号">
+                                            <div class="form-text">学号将作为登录账号使用</div>
+                                        </div>
+                                    </div>
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">姓名 <span class="text-danger">*</span></label>
+                                            <input type="text" class="form-control" name="name" required
+                                                   placeholder="请输入姓名">
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <div class="row">
+                                    <div class="col-md-4">
+                                        <div class="mb-3">
+                                            <label class="form-label">性别 <span class="text-danger">*</span></label>
+                                            <select class="form-select" name="gender" required>
+                                                <option value="">请选择性别</option>
+                                                <option value="男">男</option>
+                                                <option value="女">女</option>
+                                            </select>
+                                        </div>
+                                    </div>
+                                    <div class="col-md-4">
+                                        <div class="mb-3">
+                                            <label class="form-label">年级 <span class="text-danger">*</span></label>
+                                            <input type="number" class="form-control" name="grade" required
+                                                   min="20" max="30" placeholder="如：23">
+                                            <div class="form-text">如：20级、21级、22级</div>
+                                        </div>
+                                    </div>
+                                    <div class="col-md-4">
+                                        <div class="mb-3">
+                                            <label class="form-label">手机号</label>
+                                            <input type="tel" class="form-control" name="phone" maxlength="11"
+                                                   pattern="1[3-9]\d{9}" placeholder="请输入11位手机号">
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <div class="row">
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">学院</label>
+                                            <input type="text" class="form-control" name="college"
+                                                   placeholder="请输入学院名称">
+                                        </div>
+                                    </div>
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">专业</label>
+                                            <input type="text" class="form-control" name="major"
+                                                   placeholder="请输入专业名称">
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <div class="row">
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">导师</label>
+                                            <input type="text" class="form-control" name="supervisor"
+                                                   placeholder="请输入导师姓名">
+                                        </div>
+                                    </div>
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">学位类型</label>
+                                            <select class="form-select" name="degree_type">
+                                                <option value="">请选择学位类型</option>
+                                                <option value="专硕">专硕</option>
+                                                <option value="学硕">学硕</option>
+                                                <option value="学博">学博</option>
+                                                <option value="专博">专博</option>
+                                            </select>
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <div class="row">
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">入学日期</label>
+                                            <input type="date" class="form-control" name="enrollment_date">
+                                        </div>
+                                    </div>
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">状态</label>
+                                            <select class="form-select" name="status">
+                                                <option value="在读" selected>在读</option>
+                                                <option value="毕业">毕业</option>
+                                            </select>
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <div class="row">
+                                    <div class="col-md-6">
+                                        <div class="mb-3">
+                                            <label class="form-label">登录密码</label>
+                                            <input type="password" class="form-control" name="password" id="password" readonly
+                                                   placeholder="将自动设置为学号">
+                                            <div class="form-text">
+                                                <i class="fas fa-info-circle text-info me-1"></i>
+                                                密码将自动设置为学号，学生可在登录后自行修改
+                                            </div>
+                                        </div>
+                                    </div>
+                                    <div class="col-md-6">
+                                        <div class="mb-3 d-flex align-items-end">
+                                            <div class="form-check">
+                                                <input class="form-check-input" type="checkbox" id="custom_password">
+                                                <label class="form-check-label" for="custom_password">
+                                                    自定义密码
+                                                </label>
+                                            </div>
+                                        </div>
+                                    </div>
+                                </div>
+
+                                <hr class="my-4">
+
+                                <div class="d-flex justify-content-end gap-2">
+                                    <a href="{{ url_for('admin.student_list') }}" class="btn btn-secondary">
+                                        <i class="fas fa-times me-1"></i>取消
+                                    </a>
+                                    <button type="submit" class="btn btn-success">
+                                        <i class="fas fa-save me-1"></i>保存学生信息
+                                    </button>
+                                </div>
+                            </form>
+                        </div>
+                    </div>
                 </div>
-                <div class="card-body">
+            </div>
-                    <form id="addStudentForm" method="POST">
+        </div>
-                        <div class="row">
+
-                            <div class="col-md-6">
+        <!-- 批量导入选项卡 -->
-                                <div class="mb-3">
+        <div class="tab-pane fade" id="batch" role="tabpanel" aria-labelledby="batch-tab">
-                                    <label class="form-label">学号 <span class="text-danger">*</span></label>
+            <div class="row justify-content-center">
-                                    <input type="text" class="form-control" name="student_number" required
+                <div class="col-lg-10">
-                                           placeholder="请输入学号">
+                    <div class="card shadow">
-                                    <div class="form-text">学号将作为登录账号使用</div>
+                        <div class="card-header py-3">
+                            <h6 class="m-0 font-weight-bold text-primary">
+                                <i class="fas fa-upload me-2"></i>批量导入学生信息
+                            </h6>
+                        </div>
+                        <div class="card-body">
+                            <!-- 使用说明 -->
+                            <div class="alert alert-info">
+                                <h6><i class="fas fa-info-circle me-2"></i>使用说明</h6>
+                                <ul class="mb-2">
+                                    <li>请上传Excel文件（.xlsx或.xls格式）</li>
+                                    <li>Excel文件应包含以下列：姓名、性别、年级、学号、手机号、导师、学院、专业、学位类型</li>
+                                    <li>第一行应为表头，数据从第二行开始</li>
+                                    <li>学号不能重复，如有重复将跳过该记录</li>
+                                    <li>年级格式：20、21、22等（不要写成2020、2021）</li>
+                                </ul>
+                                <div class="alert alert-warning mb-0">
+                                    <i class="fas fa-key me-2"></i>
+                                    <strong>密码设置：</strong>系统将自动将每个学生的密码设置为其学号，学生可在登录后自行修改
                                 </div>
                             </div>
-                            <div class="col-md-6">
+
+                            <!-- 模板下载 -->
+                            <div class="mb-4">
+                                <h6>📥 下载Excel模板</h6>
+                                <a href="{{ url_for('admin.download_student_template') }}" class="btn btn-outline-primary">
+                                    <i class="fas fa-download me-1"></i>下载Excel模板
+                                </a>
+                                <small class="text-muted ms-2">建议先下载模板，按照格式填写学生信息</small>
+                            </div>
+
+                            <!-- 文件上传表单 -->
+                            <form id="batchImportForm" enctype="multipart/form-data">
                                 <div class="mb-3">
-                                    <label class="form-label">姓名 <span class="text-danger">*</span></label>
+                                    <label class="form-label">选择Excel文件 <span class="text-danger">*</span></label>
-                                    <input type="text" class="form-control" name="name" required
+                                    <input type="file" class="form-control" name="excel_file" accept=".xlsx,.xls" required>
-                                           placeholder="请输入姓名">
+                                    <div class="form-text">支持 .xlsx 和 .xls 格式</div>
                                 </div>
+
+                                <div class="mb-3">
+                                    <div class="form-check">
+                                        <input class="form-check-input" type="checkbox" id="overwrite_existing" name="overwrite_existing">
+                                        <label class="form-check-label" for="overwrite_existing">
+                                            覆盖已存在的学生信息（默认跳过重复学号）
+                                        </label>
+                                    </div>
+                                </div>
+
+                                <hr class="my-4">
+
+                                <div class="d-flex justify-content-end gap-2">
+                                    <button type="button" class="btn btn-secondary" onclick="clearBatchForm()">
+                                        <i class="fas fa-times me-1"></i>清空
+                                    </button>
+                                    <button type="submit" class="btn btn-primary">
+                                        <i class="fas fa-upload me-1"></i>开始导入
+                                    </button>
+                                </div>
+                            </form>
+
+                            <!-- 导入结果显示区域 -->
+                            <div id="importResult" class="mt-4" style="display: none;">
+                                <h6>导入结果</h6>
+                                <div id="importProgress" class="progress mb-3" style="display: none;">
+                                    <div class="progress-bar progress-bar-striped progress-bar-animated" 
+                                         role="progressbar" style="width: 0%"></div>
+                                </div>
+                                <div id="importSummary"></div>
+                                <div id="importDetails"></div>
                             </div>
                         </div>
-
+                    </div>
-                        <div class="row">
-                            <div class="col-md-4">
-                                <div class="mb-3">
-                                    <label class="form-label">性别 <span class="text-danger">*</span></label>
-                                    <select class="form-select" name="gender" required>
-                                        <option value="">请选择性别</option>
-                                        <option value="男">男</option>
-                                        <option value="女">女</option>
-                                    </select>
-                                </div>
-                            </div>
-                            <div class="col-md-4">
-                                <div class="mb-3">
-                                    <label class="form-label">年级 <span class="text-danger">*</span></label>
-                                    <input type="number" class="form-control" name="grade" required
-                                           min="2020" max="2030" placeholder="如：2023">
-                                </div>
-                            </div>
-                            <div class="col-md-4">
-                                <div class="mb-3">
-                                    <label class="form-label">手机号</label>
-                                    <input type="tel" class="form-control" name="phone" maxlength="11"
-                                           pattern="1[3-9]\d{9}" placeholder="请输入11位手机号">
-                                </div>
-                            </div>
-                        </div>
-
-                        <div class="row">
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">学院</label>
-                                    <input type="text" class="form-control" name="college"
-                                           placeholder="请输入学院名称">
-                                </div>
-                            </div>
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">专业</label>
-                                    <input type="text" class="form-control" name="major"
-                                           placeholder="请输入专业名称">
-                                </div>
-                            </div>
-                        </div>
-
-                        <div class="row">
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">导师</label>
-                                    <input type="text" class="form-control" name="supervisor"
-                                           placeholder="请输入导师姓名">
-                                </div>
-                            </div>
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">学位类型</label>
-                                    <select class="form-select" name="degree_type">
-                                        <option value="">请选择学位类型</option>
-                                        <option value="专硕">专硕</option>
-                                        <option value="学硕">学硕</option>
-                                        <option value="学博">学博</option>
-                                        <option value="专博">专博</option>
-                                    </select>
-                                </div>
-                            </div>
-                        </div>
-
-                        <div class="row">
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">入学日期</label>
-                                    <input type="date" class="form-control" name="enrollment_date">
-                                </div>
-                            </div>
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">状态</label>
-                                    <select class="form-select" name="status">
-                                        <option value="在读" selected>在读</option>
-                                        <option value="毕业">毕业</option>
-                                    </select>
-                                </div>
-                            </div>
-                        </div>
-
-                        <div class="row">
-                            <div class="col-md-6">
-                                <div class="mb-3">
-                                    <label class="form-label">初始密码</label>
-                                    <input type="password" class="form-control" name="password"
-                                           placeholder="默认为123456" value="123456">
-                                    <div class="form-text">学生可在登录后自行修改密码</div>
-                                </div>
-                            </div>
-                        </div>
-
-                        <hr class="my-4">
-
-                        <div class="d-flex justify-content-end gap-2">
-                            <a href="{{ url_for('admin.student_list') }}" class="btn btn-secondary">
-                                <i class="fas fa-times me-1"></i>取消
-                            </a>
-                            <button type="submit" class="btn btn-success">
-                                <i class="fas fa-save me-1"></i>保存学生信息
-                            </button>
-                        </div>
-                    </form>
                 </div>
             </div>
         </div>
@@ -158,11 +274,44 @@
 
 {% block extra_js %}
 <script>
+// 学号输入框变化时自动同步到密码字段
+document.getElementById('student_number').addEventListener('input', function() {
+    const passwordField = document.getElementById('password');
+    const customPasswordCheckbox = document.getElementById('custom_password');
+    
+    if (!customPasswordCheckbox.checked) {
+        passwordField.value = this.value;
+    }
+});
+
+// 自定义密码复选框处理
+document.getElementById('custom_password').addEventListener('change', function() {
+    const passwordField = document.getElementById('password');
+    const studentNumberField = document.getElementById('student_number');
+    
+    if (this.checked) {
+        passwordField.removeAttribute('readonly');
+        passwordField.placeholder = '请输入自定义密码';
+        passwordField.focus();
+    } else {
+        passwordField.setAttribute('readonly', true);
+        passwordField.placeholder = '将自动设置为学号';
+        passwordField.value = studentNumberField.value;
+    }
+});
+
+// 单个添加表单处理
 document.getElementById('addStudentForm').addEventListener('submit', function(e) {
     e.preventDefault();
 
     const formData = new FormData(this);
     const data = Object.fromEntries(formData);
+    
+    // 如果没有自定义密码，使用学号作为密码
+    const customPasswordCheckbox = document.getElementById('custom_password');
+    if (!customPasswordCheckbox.checked) {
+        data.password = data.student_number;
+    }
 
     // 表单验证
     if (!data.student_number || !data.name || !data.gender || !data.grade) {
@@ -176,6 +325,12 @@ document.getElementById('addStudentForm').addEventListener('submit', function(e)
         return;
     }
 
+    // 验证密码不能为空
+    if (!data.password || data.password.trim() === '') {
+        alert('密码不能为空');
+        return;
+    }
+
     // 禁用提交按钮
     const submitBtn = this.querySelector('button[type="submit"]');
     const originalText = submitBtn.innerHTML;
@@ -193,33 +348,14 @@ document.getElementById('addStudentForm').addEventListener('submit', function(e)
     .then(result => {
         if (result.success) {
             // 显示成功消息
-            const alertDiv = document.createElement('div');
+            showAlert('success', result.message + `（密码：${data.password}）`);
-            alertDiv.className = 'alert alert-success alert-dismissible fade show';
-            alertDiv.innerHTML = `
-                <i class="fas fa-check-circle me-2"></i>${result.message}
-                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
-            `;
-
-            // 插入到表单前面
-            const card = document.querySelector('.card-body');
-            card.insertBefore(alertDiv, card.firstChild);
-
             // 3秒后跳转到学生列表
             setTimeout(() => {
                 window.location.href = '/admin/students';
-            }, 2000);
+            }, 3000);
         } else {
             // 显示错误消息
-            const alertDiv = document.createElement('div');
+            showAlert('danger', result.message);
-            alertDiv.className = 'alert alert-danger alert-dismissible fade show';
-            alertDiv.innerHTML = `
-                <i class="fas fa-exclamation-triangle me-2"></i>${result.message}
-                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
-            `;
-
-            const card = document.querySelector('.card-body');
-            card.insertBefore(alertDiv, card.firstChild);
-
             // 恢复提交按钮
             submitBtn.disabled = false;
             submitBtn.innerHTML = originalText;
@@ -227,14 +363,158 @@ document.getElementById('addStudentForm').addEventListener('submit', function(e)
     })
     .catch(error => {
         console.error('Error:', error);
-        alert('网络错误，请稍后重试');
+        showAlert('danger', '网络错误，请稍后重试');
-
         // 恢复提交按钮
         submitBtn.disabled = false;
         submitBtn.innerHTML = originalText;
     });
 });
 
+// 批量导入表单处理
+document.getElementById('batchImportForm').addEventListener('submit', function(e) {
+    e.preventDefault();
+
+    const formData = new FormData(this);
+    const fileInput = this.querySelector('input[name="excel_file"]');
+    
+    if (!fileInput.files[0]) {
+        alert('请选择要上传的Excel文件');
+        return;
+    }
+
+    // 验证文件格式
+    const fileName = fileInput.files[0].name;
+    if (!fileName.match(/\.(xlsx|xls)$/i)) {
+        alert('请上传Excel文件（.xlsx或.xls格式）');
+        return;
+    }
+
+    // 显示进度条
+    const importResult = document.getElementById('importResult');
+    const importProgress = document.getElementById('importProgress');
+    const progressBar = importProgress.querySelector('.progress-bar');
+    
+    importResult.style.display = 'block';
+    importProgress.style.display = 'block';
+    progressBar.style.width = '10%';
+
+    // 禁用提交按钮
+    const submitBtn = this.querySelector('button[type="submit"]');
+    const originalText = submitBtn.innerHTML;
+    submitBtn.disabled = true;
+    submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin me-1"></i>导入中...';
+
+    // 发送文件
+    fetch('/admin/students/batch_import', {
+        method: 'POST',
+        body: formData
+    })
+    .then(response => {
+        progressBar.style.width = '50%';
+        return response.json();
+    })
+    .then(result => {
+        progressBar.style.width = '100%';
+        
+        // 隐藏进度条
+        setTimeout(() => {
+            importProgress.style.display = 'none';
+        }, 500);
+
+        // 显示结果
+        displayImportResult(result);
+        
+        // 恢复提交按钮
+        submitBtn.disabled = false;
+        submitBtn.innerHTML = originalText;
+    })
+    .catch(error => {
+        console.error('Error:', error);
+        progressBar.style.width = '100%';
+        progressBar.classList.add('bg-danger');
+        
+        setTimeout(() => {
+            importProgress.style.display = 'none';
+        }, 500);
+        
+        showAlert('danger', '导入失败，请稍后重试');
+        
+        // 恢复提交按钮
+        submitBtn.disabled = false;
+        submitBtn.innerHTML = originalText;
+    });
+});
+
+// 显示导入结果
+function displayImportResult(result) {
+    const summaryDiv = document.getElementById('importSummary');
+    const detailsDiv = document.getElementById('importDetails');
+    
+    if (result.success) {
+        summaryDiv.innerHTML = `
+            <div class="alert alert-success">
+                <h6><i class="fas fa-check-circle me-2"></i>导入完成</h6>
+                <p class="mb-1">成功导入 <strong>${result.success_count}</strong> 个学生，
+                跳过 <strong>${result.skip_count || 0}</strong> 个，
+                失败 <strong>${result.error_count || 0}</strong> 个</p>
+                <small class="text-muted">
+                    <i class="fas fa-key me-1"></i>所有学生的初始密码均为其学号
+                </small>
+            </div>
+        `;
+        
+        // 显示详细信息
+        if (result.details && result.details.length > 0) {
+            let detailsHtml = '<div class="mt-3"><h6>详细信息</h6><ul class="list-group">';
+            result.details.forEach(detail => {
+                const iconClass = detail.status === 'success' ? 'text-success fas fa-check' : 
+                                detail.status === 'skip' ? 'text-warning fas fa-exclamation-triangle' : 
+                                'text-danger fas fa-times';
+                detailsHtml += `
+                    <li class="list-group-item d-flex justify-content-between align-items-center">
+                        <span>${detail.name} (${detail.student_number})</span>
+                        <span class="${iconClass.includes('success') ? 'text-success' : iconClass.includes('warning') ? 'text-warning' : 'text-danger'}">
+                            <i class="${iconClass}"></i> ${detail.message}
+                        </span>
+                    </li>
+                `;
+            });
+            detailsHtml += '</ul></div>';
+            detailsDiv.innerHTML = detailsHtml;
+        }
+    } else {
+        summaryDiv.innerHTML = `
+            <div class="alert alert-danger">
+                <h6><i class="fas fa-exclamation-triangle me-2"></i>导入失败</h6>
+                <p class="mb-0">${result.message}</p>
+            </div>
+        `;
+    }
+}
+
+// 清空批量导入表单
+function clearBatchForm() {
+    document.getElementById('batchImportForm').reset();
+    document.getElementById('importResult').style.display = 'none';
+}
+
+// 显示提示消息
+function showAlert(type, message) {
+    const alertDiv = document.createElement('div');
+    alertDiv.className = `alert alert-${type} alert-dismissible fade show`;
+    alertDiv.innerHTML = `
+        <i class="fas fa-${type === 'success' ? 'check-circle' : 'exclamation-triangle'} me-2"></i>${message}
+        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+    `;
+    
+    // 插入到当前活动的选项卡中
+    const activeTab = document.querySelector('.tab-pane.active .card-body');
+    activeTab.insertBefore(alertDiv, activeTab.firstChild);
+    
+    // 滚动到顶部
+    window.scrollTo(0, 0);
+}
+
 // 学号输入框失焦时检查是否已存在
 document.querySelector('input[name="student_number"]').addEventListener('blur', function() {
     const studentNumber = this.value.trim();

app/templates/admin/attendance_details.html

@@ -123,10 +123,11 @@
                     <div class="row no-gutters align-items-center">
                         <div class="col mr-2">
                             <div class="text-xs font-weight-bold text-warning text-uppercase mb-1">
-                                旷工天数
+                                缺勤次数
                             </div>
                             <div class="h5 mb-0 font-weight-bold text-gray-800">
-                                {{ weekly_record.absent_days }}天
+                                {# 🔥 修改：显示缺勤次数而不是天数 #}
+                                {{ weekly_record.absent_count if weekly_record.absent_count is defined else weekly_record.absent_days }}次
                             </div>
                         </div>
                         <div class="col-auto">
@@ -319,7 +320,7 @@
                                 <tr>
                                     <th>周期</th>
                                     <th>出勤时长</th>
-                                    <th>旷工天数</th>
+                                    <th>缺勤次数</th>
                                 </tr>
                             </thead>
                             <tbody>
@@ -332,10 +333,11 @@
                                         <span class="badge bg-primary">{{ "%.1f"|format(record.actual_work_hours) }}h</span>
                                     </td>
                                     <td>
+                                        {# 🔥 修改：显示缺勤次数而不是天数 #}
                                         {% if record.absent_days > 0 %}
-                                            <span class="badge bg-warning">{{ record.absent_days }}</span>
+                                            <span class="badge bg-warning">{{ record.absent_days }}次</span>
                                         {% else %}
-                                            <span class="badge bg-success">0</span>
+                                            <span class="badge bg-success">0次</span>
                                         {% endif %}
                                     </td>
                                 </tr>

app/templates/admin/attendance_management.html

@@ -52,8 +52,8 @@
                         <option value="actual_work_hours_asc" {{ 'selected' if sort_by == 'actual_work_hours_asc' else '' }}>出勤时长↑</option>
                         <option value="class_work_hours_desc" {{ 'selected' if sort_by == 'class_work_hours_desc' else '' }}>班内工作↓</option>
                         <option value="class_work_hours_asc" {{ 'selected' if sort_by == 'class_work_hours_asc' else '' }}>班内工作↑</option>
-                        <option value="absent_days_desc" {{ 'selected' if sort_by == 'absent_days_desc' else '' }}>旷工天数↓</option>
+                        <option value="absent_count_desc" {{ 'selected' if sort_by == 'absent_count_desc' or sort_by == 'absent_days_desc' else '' }}>缺勤次数↓</option>
-                        <option value="absent_days_asc" {{ 'selected' if sort_by == 'absent_days_asc' else '' }}>旷工天数↑</option>
+                        <option value="absent_count_asc" {{ 'selected' if sort_by == 'absent_count_asc' or sort_by == 'absent_days_asc' else '' }}>缺勤次数↑</option>
                         <option value="late_count_desc" {{ 'selected' if sort_by == 'late_count_desc' else '' }}>迟到次数↓</option>
                         <option value="late_count_asc" {{ 'selected' if sort_by == 'late_count_asc' else '' }}>迟到次数↑</option>
                         <option value="overtime_hours_desc" {{ 'selected' if sort_by == 'overtime_hours_desc' else '' }}>加班时长↓</option>
@@ -71,6 +71,60 @@
                         <i class="fas fa-cog"></i>
                     </button>
                 </div>
+                
+                <!-- 🔥 新增：高级搜索区域 -->
+                <div id="advancedSearchArea" class="col-12 mt-3" style="display: none;">
+                    <div class="border-top pt-3">
+                        <h6 class="text-muted mb-3">
+                            <i class="fas fa-filter me-2"></i>高级搜索
+                        </h6>
+                        <div class="row g-3">
+                            <div class="col-md-6">
+                                <label class="form-label">导师（多选）</label>
+                                <div class="supervisor-checkboxes" style="max-height: 200px; overflow-y: auto; border: 1px solid #ced4da; border-radius: 0.375rem; padding: 10px;">
+                                    {% for supervisor in all_supervisors %}
+                                    <div class="form-check">
+                                        <input class="form-check-input" type="checkbox" name="supervisor" 
+                                               value="{{ supervisor }}" id="supervisor_{{ loop.index }}"
+                                               {{ 'checked' if supervisor in selected_supervisors else '' }}>
+                                        <label class="form-check-label" for="supervisor_{{ loop.index }}">
+                                            {{ supervisor }}
+                                        </label>
+                                    </div>
+                                    {% endfor %}
+                                </div>
+                                <div class="mt-2">
+                                    <button type="button" class="btn btn-sm btn-outline-primary me-2" onclick="selectAllSupervisors()">全选</button>
+                                    <button type="button" class="btn btn-sm btn-outline-secondary" onclick="clearAllSupervisors()">清空</button>
+                                </div>
+                            </div>
+                            <div class="col-md-6">
+                                <label class="form-label">年级（多选）</label>
+                                <div class="grade-checkboxes" style="max-height: 200px; overflow-y: auto; border: 1px solid #ced4da; border-radius: 0.375rem; padding: 10px;">
+                                    {% for grade in all_grades %}
+                                    <div class="form-check">
+                                        <input class="form-check-input" type="checkbox" name="grade" 
+                                               value="{{ grade }}" id="grade_{{ grade }}"
+                                               {{ 'checked' if grade|string in selected_grades else '' }}>
+                                        <label class="form-check-label" for="grade_{{ grade }}">
+                                            {% if grade >= 20 %}
+                                                {{ grade }}级
+                                            {% else %}
+                                                {{ grade }}年级
+                                            {% endif %}
+                                        </label>
+                                    </div>
+                                    {% endfor %}
+                                </div>
+                                <div class="mt-2">
+                                    <button type="button" class="btn btn-sm btn-outline-primary me-2" onclick="selectAllGrades()">全选</button>
+                                    <button type="button" class="btn btn-sm btn-outline-secondary" onclick="clearAllGrades()">清空</button>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+                
                 <!-- 隐藏字段保持分页状态 -->
                 <input type="hidden" name="page" value="{{ pagination.page if pagination else 1 }}">
             </form>
@@ -106,8 +160,8 @@
                                 班内工作
                                 <i class="fas fa-sort ms-1 text-muted sort-icon"></i>
                             </th>
-                            <th class="sortable" data-sort="absent_days">
+                            <th class="sortable" data-sort="absent_count">
-                                旷工天数
+                                缺勤次数
                                 <i class="fas fa-sort ms-1 text-muted sort-icon"></i>
                             </th>
                             <th class="sortable" data-sort="late_count">
@@ -152,10 +206,12 @@
                                 </span>
                             </td>
                             <td>
-                                {% if record.absent_days > 0 %}
+                                {# 🔥 修改：使用 absent_count 而不是 absent_days，单位改为"次" #}
-                                    <span class="badge bg-warning">{{ record.absent_days }}天</span>
+                                {% set absent_count = record.absent_count if record.absent_count is defined else 0 %}
+                                {% if absent_count > 0 %}
+                                    <span class="badge bg-warning">{{ absent_count }}次</span>
                                 {% else %}
-                                    <span class="badge bg-success">0天</span>
+                                    <span class="badge bg-success">0次</span>
                                 {% endif %}
                             </td>
                             <td>
@@ -301,9 +357,11 @@
                             <div class="col-1">
                                 <div class="border-end">
                                     <h6 class="text-danger">
-                                        {{ attendance_records|sum(attribute='absent_days') }}
+                                        {# 🔥 修改：使用 absent_count 统计总缺勤次数 #}
+                                        {% set total_absent_count = attendance_records|sum(attribute='absent_count') if attendance_records[0].absent_count is defined else 0 %}
+                                        {{ total_absent_count }}
                                     </h6>
-                                    <small class="text-muted">旷工</small>
+                                    <small class="text-muted">缺勤</small>
                                 </div>
                             </div>
                             <div class="col-1">
@@ -374,6 +432,11 @@
                                 <i class="fas fa-download me-2"></i>导出数据
                             </button>
                         </div>
+                        <div class="col-6 mb-2">
+                            <button class="btn btn-outline-warning btn-block" onclick="clearAllFilters()">
+                                <i class="fas fa-eraser me-2"></i>清空筛选
+                            </button>
+                        </div>
                     </div>
                 </div>
             </div>
@@ -531,9 +594,8 @@ document.getElementById('confirmDelete').addEventListener('click', function() {
 });
 
 function exportData() {
-    const params = new URLSearchParams(window.location.search);
+    // 使用 admin.js 中的 exportCurrentFilter 函数
-    params.set('export', 'excel');
+    exportCurrentFilter();
-    window.location.href = '{{ url_for("admin.attendance_management") }}?' + params.toString();
 }
 
 // 自动设置结束日期为开始日期的一周后
@@ -641,10 +703,7 @@ function setupTableSorting() {
     }
 }
 
-// 高级搜索切换（预留功能）
+// 高级搜索切换功能已在 admin.js 中实现
-function toggleAdvancedSearch() {
-    alert('高级搜索功能开发中...');
-}
 
 // DOM加载完成后初始化
 document.addEventListener('DOMContentLoaded', function() {
@@ -653,4 +712,5 @@ document.addEventListener('DOMContentLoaded', function() {
 });
 </script>
 
-{% endblock %}
+<script src="{{ url_for('static', filename='js/admin.js') }}"></script>
+{% endblock %}

app/templates/admin/edit_student.html

@@ -66,7 +66,8 @@
                                 <div class="mb-3">
                                     <label class="form-label">年级 <span class="text-danger">*</span></label>
                                     <input type="number" class="form-control" name="grade" required
-                                           min="2020" max="2030" value="{{ student.grade }}" placeholder="如：2023">
+                                           min="20" max="30" value="{{ student.grade }}" placeholder="如：23">
+                                    <div class="form-text">如：20级、21级、22级</div>
                                 </div>
                             </div>
                             <div class="col-md-4">

app/templates/admin/student_detail.html

@@ -175,8 +175,8 @@
                             <div class="text-muted small">总工作时长(小时)</div>
                         </div>
                         <div class="col-6">
-                            <div class="h4 mb-0 text-warning">{{ total_absent_days }}</div>
+                            <div class="h4 mb-0 text-warning">{{ total_absent_count }}</div>
-                            <div class="text-muted small">旷工天数</div>
+                            <div class="text-muted small">缺勤次数</div>
                         </div>
                     </div>
                     <hr class="my-3">
@@ -286,7 +286,7 @@
                                     <th>周期</th>
                                     <th>实际工作时长</th>
                                     <th>班内工作时长</th>
-                                    <th>旷工天数</th>
+                                    <th>缺勤次数</th>
                                     <th>加班时长</th>
                                     <th>创建时间</th>
                                 </tr>
@@ -315,11 +315,12 @@
                                         </span>
                                     </td>
                                     <td>
-                                        {% if record.absent_days > 0 %}
+                                        {% set absent_count = record.absent_count if record.absent_count is defined else 0 %}
-                                        <span class="badge bg-warning">{{ record.absent_days }}天</span>
+                                        {% if absent_count > 0 %}
+                                        <span class="badge bg-warning">{{ absent_count }}次</span>
                                         {% else %}
                                         <span class="text-success">
-                                            <i class="fas fa-check"></i> 0天
+                                            <i class="fas fa-check"></i> 0次
                                         </span>
                                         {% endif %}
                                     </td>

app/templates/admin/student_list.html

@@ -160,11 +160,13 @@
 
             <!-- 分页 -->
             {% if pagination.pages > 1 %}
+            {% set args_without_page = request.args.copy() %}
+            {% if args_without_page.pop('page', None) %}{% endif %}
             <nav aria-label="Page navigation" class="mt-4">
                 <ul class="pagination justify-content-center">
                     {% if pagination.has_prev %}
                     <li class="page-item">
-                        <a class="page-link" href="{{ url_for('admin.student_list', page=pagination.prev_num, **request.args) }}">
+                        <a class="page-link" href="{{ url_for('admin.student_list', page=pagination.prev_num, **args_without_page) }}">
                             上一页
                         </a>
                     </li>
@@ -174,7 +176,7 @@
                         {% if page_num %}
                             {% if page_num != pagination.page %}
                             <li class="page-item">
-                                <a class="page-link" href="{{ url_for('admin.student_list', page=page_num, **request.args) }}">
+                                <a class="page-link" href="{{ url_for('admin.student_list', page=page_num, **args_without_page) }}">
                                     {{ page_num }}
                                 </a>
                             </li>
@@ -192,7 +194,7 @@
 
                     {% if pagination.has_next %}
                     <li class="page-item">
-                        <a class="page-link" href="{{ url_for('admin.student_list', page=pagination.next_num, **request.args) }}">
+                        <a class="page-link" href="{{ url_for('admin.student_list', page=pagination.next_num, **args_without_page) }}">
                             下一页
                         </a>
                     </li>

requirements.txt

@@ -38,3 +38,4 @@ python-dateutil==2.8.2
 # 其他工具
 click==8.1.7
 itsdangerous==2.1.2
+openpyxl

update_foreign_keys.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+"""
+更新数据库外键约束，添加级联删除
+"""
+
+from app import create_app
+from app.models import db
+from sqlalchemy import text
+
+def update_foreign_keys():
+    app = create_app()
+    
+    with app.app_context():
+        try:
+            print("正在更新数据库外键约束...")
+            
+            # 删除现有的外键约束并重新创建带级联删除的约束
+            queries = [
+                # 删除现有外键约束
+                "ALTER TABLE weekly_attendance DROP FOREIGN KEY weekly_attendance_ibfk_1",
+                "ALTER TABLE daily_attendance_details DROP FOREIGN KEY daily_attendance_details_ibfk_1", 
+                "ALTER TABLE daily_attendance_details DROP FOREIGN KEY daily_attendance_details_ibfk_2",
+                "ALTER TABLE leave_records DROP FOREIGN KEY leave_records_ibfk_1",
+                "ALTER TABLE students DROP FOREIGN KEY students_ibfk_1",
+                
+                # 重新创建带级联删除的外键约束
+                "ALTER TABLE weekly_attendance ADD CONSTRAINT weekly_attendance_ibfk_1 FOREIGN KEY (student_number) REFERENCES students (student_number) ON DELETE CASCADE",
+                "ALTER TABLE daily_attendance_details ADD CONSTRAINT daily_attendance_details_ibfk_1 FOREIGN KEY (weekly_record_id) REFERENCES weekly_attendance (record_id) ON DELETE CASCADE",
+                "ALTER TABLE daily_attendance_details ADD CONSTRAINT daily_attendance_details_ibfk_2 FOREIGN KEY (student_number) REFERENCES students (student_number) ON DELETE CASCADE",
+                "ALTER TABLE leave_records ADD CONSTRAINT leave_records_ibfk_1 FOREIGN KEY (student_number) REFERENCES students (student_number) ON DELETE CASCADE",
+                "ALTER TABLE students ADD CONSTRAINT students_ibfk_1 FOREIGN KEY (student_number) REFERENCES users (student_number) ON DELETE CASCADE",
+            ]
+            
+            for query in queries:
+                try:
+                    db.session.execute(text(query))
+                    print(f"执行成功: {query}")
+                except Exception as e:
+                    print(f"执行失败 (可能约束不存在): {query}")
+                    print(f"错误: {e}")
+                    continue
+            
+            db.session.commit()
+            print("数据库外键约束更新完成！")
+            
+        except Exception as e:
+            db.session.rollback()
+            print(f"更新失败: {e}")
+
+if __name__ == '__main__':
+    update_foreign_keys()