feat: 多班级版班级管理系统 v2.0

技术栈：Go (Gin + GORM) + PHP + MySQL 5.7 + Redis

主要功能：
- 多班级完全隔离（class_id 贯穿全系统）
- 后端 Go Gin（端口 56789），Nginx 反代
- 超级管理员独立登录（env 配置，默认账密 admin/Admin123）
- bcrypt 密码加密（无 PASSWORD_SALT）
- 科任老师/课代表新角色
- 课代表作业管理页面
- 排行榜分项排行（操行分/考勤/作业）
- 角色加减分上下限由班主任配置
- 家长改密功能（可开关）
- 班级角色按需开关
- 宿舍号格式：南0-000
- 周度/月度重置功能
- MySQL 5.7 兼容
- 43 轮代码审查 + 全部修复

开发者: Canglan
版权归属: Sea Network Technology Studio
许可证: Apache License 2.0

frontend/admin/homework.php

@@ -0,0 +1,255 @@
+<?php
+/**
+ * 多班级版班级管理系统 - 管理端作业扣分
+ * 
+ * 开发者: Canglan
+ * 联系方式: admin@sea-studio.top
+ * 版权归属: Sea Network Technology Studio
+ * 许可证: Apache License 2.0
+ * 
+ * 版权所有 © Sea Network Technology Studio
+ */
+
+require_once __DIR__ . '/../config.php';
+
+if (!isset($_SESSION['user_id']) || $_SESSION['user_type'] !== 'admin') {
+    header('Location: /index.php');
+    exit();
+}
+
+$page_title = '作业扣分';
+$role = $_SESSION['role'] ?? '';
+
+if (!in_array($role, ['班主任', '学习委员'])) {
+    header('Location: /admin/dashboard.php');
+    exit();
+}
+
+include __DIR__ . '/../includes/header.php';
+?>
+
+<?php include __DIR__ . '/../includes/nav.php'; ?>
+
+<div class="container">
+    <!-- 科目管理折叠面板 -->
+    <div class="card collapsible-card" style="margin-bottom: 20px;">
+        <div class="collapsible-header" id="subjectPanelHeader">
+            <h3 style="margin: 0; font-size: 16px;">科目管理</h3>
+            <span id="subjectPanelToggle" class="toggle-icon">▶ 展开</span>
+        </div>
+        <div id="subjectPanelContent" class="collapsible-content">
+            <div class="action-bar">
+                <button class="btn btn-primary" onclick="showAddSubjectModal()">添加科目</button>
+            </div>
+            <div id="subjectList" class="subject-list"></div>
+        </div>
+    </div>
+
+    <div class="card">
+        <div class="action-bar">
+            <div class="action-buttons">
+                <button class="btn btn-primary" onclick="showBatchPointsModal()">批量加减分</button>
+            </div>
+        </div>
+        <div class="table-wrapper">
+            <table class="table">
+                <thead>
+                    <tr>
+                        <th><input type="checkbox" id="selectAll" onclick="toggleSelectAll()"></th>
+                        <th>学号</th>
+                        <th>姓名</th>
+                        <th>当前操行分</th>
+                        <th>操作</th>
+                    </tr>
+                </thead>
+                <tbody id="studentList"></tbody>
+            </table>
+        </div>
+    </div>
+</div>
+
+<div id="batchPointsModal" class="modal">
+    <div class="modal-content">
+        <div class="modal-header">
+            <h3>批量加减分</h3>
+            <button class="modal-close" onclick="closeModal('batchPointsModal')">&times;</button>
+        </div>
+        <form onsubmit="event.preventDefault(); handleSubmitPoints()">
+            <div class="form-group">
+                <label>已选学生</label>
+                <div id="selectedStudentsCount" class="selected-info">未选择学生</div>
+            </div>
+            <?php if (in_array($role, ['班主任', '学习委员'])): ?>
+            <div class="form-group">
+                <label>科目</label>
+                <select id="hwSubjectSelect">
+                    <option value="">不选择科目</option>
+                </select>
+            </div>
+            <?php endif; ?>
+            <div class="form-group">
+                <label>扣分类型</label>
+                <div class="deduction-types" style="display: flex; flex-wrap: wrap; gap: 6px;">
+                    <button type="button" class="btn btn-sm" onclick="selectDeductionType(-window.DEDUCTION_HOMEWORK_NOT_SUBMIT, '未交作业')">未交作业(-<span class="hw-not-submit"></span>分)</button>
+                    <button type="button" class="btn btn-sm" onclick="selectDeductionType(-window.DEDUCTION_HOMEWORK_LATE, '迟交作业')">迟交作业(-<span class="hw-late"></span>分)</button>
+                    <button type="button" class="btn btn-sm" onclick="selectDeductionType(null, '作业未完成')">作业未完成</button>
+                    <button type="button" class="btn btn-sm" onclick="selectDeductionType(null, '作业抄袭')">作业抄袭</button>
+                    <button type="button" class="btn btn-sm" onclick="selectDeductionType(null, '作业态度')">作业态度</button>
+                    <button type="button" class="btn btn-sm" onclick="selectDeductionType(0, '')">自定义</button>
+                </div>
+            </div>
+            <?php if (in_array($role, ['班主任', '学习委员'])): ?>
+            <div class="form-group">
+                <label>具体作业</label>
+                <input type="text" id="hwTitle" placeholder="选填，如：第三章练习">
+            </div>
+            <div class="form-group">
+                <label>缴交时间</label>
+                <input type="date" id="hwDeadline" value="<?php echo date('Y-m-d'); ?>">
+            </div>
+            <?php endif; ?>
+            <div class="form-group">
+                <label>分数变动</label>
+                <input type="number" id="pointsChange" required min="-5" max="5" step="1" placeholder="正数加分，负数扣分">
+                <small><?php
+                    if ($role === '学习委员') echo '学习委员单次±5分以内';
+                    else echo '班主任无限制';
+                ?></small>
+            </div>
+            <div class="form-group">
+                <label>原因</label>
+                <textarea id="pointsReason" rows="3" required placeholder="请输入加减分原因"></textarea>
+            </div>
+            <div class="modal-footer">
+                <button type="submit" class="btn btn-primary">确认提交</button>
+                <button type="button" class="btn" onclick="closeModal('batchPointsModal')">取消</button>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- 添加科目模态框 -->
+<div id="addSubjectModal" class="modal">
+    <div class="modal-content">
+        <div class="modal-header">
+            <h3>添加科目</h3>
+            <button class="modal-close" onclick="closeModal('addSubjectModal')">&times;</button>
+        </div>
+        <form id="addSubjectFormInHw" onsubmit="event.preventDefault(); submitAddSubject()">
+            <div class="form-group">
+                <label>科目名称</label>
+                <input type="text" id="subjectName" required placeholder="例如：语文、数学">
+            </div>
+            <div class="form-group">
+                <label>科目代码</label>
+                <input type="text" id="subjectCode" placeholder="例如：CHI、MATH">
+                <small>可选，用于排序和标识</small>
+            </div>
+            <div class="modal-footer">
+                <button type="submit" class="btn btn-primary">添加</button>
+                <button type="button" class="btn" onclick="closeModal('addSubjectModal')">取消</button>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- 编辑科目模态框 -->
+<div id="editSubjectModal" class="modal">
+    <div class="modal-content">
+        <div class="modal-header">
+            <h3>编辑科目</h3>
+            <button class="modal-close" onclick="closeModal('editSubjectModal')">&times;</button>
+        </div>
+        <form onsubmit="event.preventDefault(); submitEditSubject()">
+            <input type="hidden" id="editSubjectId">
+            <div class="form-group">
+                <label>科目名称</label>
+                <input type="text" id="editSubjectName" required placeholder="例如：语文、数学">
+            </div>
+            <div class="form-group">
+                <label>科目代码</label>
+                <input type="text" id="editSubjectCode" placeholder="例如：CHI、MATH">
+            </div>
+            <div class="form-group">
+                <label>排序序号</label>
+                <input type="number" id="editSubjectSortOrder" placeholder="数字越小越靠前" min="0">
+            </div>
+            <div class="modal-footer">
+                <button type="submit" class="btn btn-primary">保存</button>
+                <button type="button" class="btn" onclick="closeModal('editSubjectModal')">取消</button>
+            </div>
+        </form>
+    </div>
+</div>
+
+<style>
+.subject-list {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 12px;
+}
+.subject-item {
+    background: var(--color-hover);
+    padding: 12px 20px;
+    border-radius: 8px;
+    display: flex;
+    align-items: center;
+    gap: 15px;
+}
+.subject-name {
+    font-weight: 500;
+    font-size: 16px;
+}
+.subject-code {
+    color: var(--color-text-muted);
+    font-size: 12px;
+}
+.subject-status {
+    font-size: 11px;
+    padding: 2px 8px;
+    border-radius: 12px;
+}
+.subject-status-active {
+    background: #c6f6d5;
+    color: #22543d;
+}
+.subject-status-inactive {
+    background: #fed7d7;
+    color: #742a2a;
+}
+.collapsible-card .collapsible-header {
+    cursor: pointer;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 15px 20px;
+    user-select: none;
+    transition: background 0.2s;
+    border-radius: 12px;
+}
+.collapsible-card .collapsible-header:hover {
+    background: var(--color-hover, #f7fafc);
+}
+.collapsible-card .collapsible-content {
+    max-height: 0;
+    overflow: hidden;
+    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
+    padding: 0 20px;
+}
+.collapsible-card .collapsible-content.expanded {
+    max-height: 1000px;
+    padding: 0 20px 20px;
+}
+.toggle-icon {
+    font-size: 12px;
+    color: var(--color-text-secondary, #666);
+}
+</style>
+
+<script>window.PAGE_CONFIG = { role: '<?php echo $role; ?>' };</script>
+<script src="/assets/js/modules/modal-utils.js"></script>
+<script src="/assets/js/modules/utils.js"></script>
+<script src="/assets/js/modules/points-mgmt.js"></script>
+<script src="/assets/js/homework-manage.js"></script>
+
+<?php include __DIR__ . '/../includes/footer.php'; ?>