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）
- 后端从 Python FastAPI 重写为 Go Gin（端口 56789）
- 超级管理员独立登录（env 配置路径，默认账密 admin/Admin123）
- 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
- Nginx 反向代理部署

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

frontend/parent/history.php

@@ -0,0 +1,117 @@
+<?php
+/**
+ * 多班级版班级管理系统 - 家长端历史记录
+ * 
+ * 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']) || $_SESSION['user_type'] !== 'parent') {
+    header('Location: /index.php');
+    exit();
+}
+
+$page_title = '历史记录';
+include __DIR__ . '/../includes/header.php';
+?>
+
+<div class="nav">
+    <a href="/parent/dashboard.php" class="nav-item">首页</a>
+    <a href="/parent/history.php" class="nav-item active">历史记录</a>
+    <a href="/parent/attendance.php" class="nav-item">考勤记录</a>
+    <a href="/parent/password.php" class="nav-item">修改密码</a>
+</div>
+
+<div class="container">
+    <div class="card">
+        <div class="card-title">操行分历史记录</div>
+        <div class="table-wrapper">
+            <table class="table">
+                <thead>
+                    <tr>
+                        <th>日期</th>
+                        <th>原因</th>
+                        <th>分值</th>
+                        <th>记录人</th>
+                    </tr>
+                </thead>
+                <tbody id="historyList">
+                    <tr><td colspan="4" style="text-align:center;">加载中...</td></tr>
+                </tbody>
+            </table>
+        </div>
+        <div class="pagination" id="pagination" style="display:none;">
+            <button class="btn btn-sm" id="prevBtn" onclick="changePage(-1)">上一页</button>
+            <span id="pageInfo">1 / 1</span>
+            <button class="btn btn-sm" id="nextBtn" onclick="changePage(1)">下一页</button>
+        </div>
+    </div>
+</div>
+
+<style>
+.pagination {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    gap: 15px;
+    margin-top: 15px;
+    padding: 10px 0;
+}
+.pagination .btn { padding: 6px 16px; font-size: 13px; }
+.pagination span { color: #666; font-size: 14px; }
+</style>
+
+<script>
+let currentPage = 1;
+const pageSize = 20;
+
+async function loadHistory(page) {
+    const res = await apiGet('/api/parent/child/history', { page: page, page_size: pageSize });
+    if (res && res.success) {
+        let html = '';
+        if (res.data.records.length === 0) {
+            html = '<tr><td colspan="4" style="text-align:center;">暂无记录</td></tr>';
+        } else {
+            res.data.records.forEach(record => {
+                const pointsClass = record.points_change > 0 ? 'plus' : 'minus';
+                const pointsText = record.points_change > 0 ? `+${record.points_change}` : record.points_change;
+                html += `<tr>
+                    <td>${formatDateTime(record.created_at)}</td>
+                    <td class="history-reason">${escapeHtml(record.reason || '-')}</td>
+                    <td><span class="record-points ${pointsClass}">${pointsText}</span></td>
+                    <td>班主任</td>
+                </tr>`;
+            });
+        }
+        document.getElementById('historyList').innerHTML = html;
+        
+        // 分页
+        const totalPages = Math.ceil(res.data.total / pageSize);
+        if (totalPages > 1) {
+            document.getElementById('pagination').style.display = 'flex';
+            document.getElementById('pageInfo').textContent = `${res.data.page} / ${totalPages}`;
+            document.getElementById('prevBtn').disabled = res.data.page <= 1;
+            document.getElementById('nextBtn').disabled = res.data.page >= totalPages;
+        } else {
+            document.getElementById('pagination').style.display = 'none';
+        }
+    }
+}
+
+function changePage(delta) {
+    currentPage += delta;
+    if (currentPage < 1) currentPage = 1;
+    loadHistory(currentPage);
+}
+
+loadHistory(1);
+</script>
+<script src="/assets/js/parent.js"></script>
+
+<?php include __DIR__ . '/../includes/footer.php'; ?>