feat: 增加学生信息管理功能，优化操行分历史记录展示并更新使用文档

frontend/admin/history.php

@@ -53,6 +53,7 @@ include __DIR__ . '/../includes/header.php';
                     <tr>
                         <th>时间</th>
                         <th>学生</th>
+                        <th>人数</th>
                         <th>分数变动</th>
                         <th>原因</th>
                         <th>操作人</th>
@@ -82,7 +83,6 @@ async function loadStudentsForSelect() {
         document.getElementById('historyStudentId').innerHTML = html;
     }
 }
-
 async function loadHistory(page = 1) {
     currentHistoryPage = page;
     const startDate = document.getElementById('historyStartDate').value;
@@ -92,7 +92,8 @@ async function loadHistory(page = 1) {
     const params = {
         page, page_size: 20,
         start_date: startDate,
-        end_date: endDate
+        end_date: endDate,
+        grouped: true
     };
     if (studentId) params.student_id = studentId;
     
@@ -104,18 +105,19 @@ async function loadHistory(page = 1) {
             const pointsClass = record.points_change > 0 ? 'plus' : 'minus';
             html += `<tr>
                 <td>${formatDateTime(record.created_at)}</td>
-                <td>${escapeHtml(record.student_name)}</td>
+                <td>${escapeHtml(record.student_names)}</td>
+                <td>${record.student_count || 1}</td>
                 <td class="${pointsClass}">${record.points_change > 0 ? '+' : ''}${record.points_change}</td>
                 <td>${escapeHtml(record.reason)}</td>
                 <td>${escapeHtml(record.recorder_name)}</td>`;
             <?php if ($role === '班主任' || $role === '班长'): ?>
-            html += `<td><button class="btn btn-sm btn-danger" onclick="revokeRecord(${record.record_id})">撤销</button></td>`;
+            html += `<td>-</td>`;
             <?php endif; ?>
             html += `</tr>`;
         });
         
         if (res.data.records.length === 0) {
-            const colSpan = <?php echo ($role === '班主任' || $role === '班长') ? '6' : '5'; ?>;
+            const colSpan = <?php echo ($role === '班主任' || $role === '班长') ? '7' : '6'; ?>;
             html = `<tr><td colspan="${colSpan}" style="text-align:center;">暂无记录</td></tr>`;
         }
         
@@ -125,6 +127,7 @@ async function loadHistory(page = 1) {
         renderHistoryPagination();
     }
 }
+}
 
 function renderHistoryPagination() {
     const container = document.getElementById('historyPagination');
@@ -194,8 +197,16 @@ async function exportHistoryRecords() {
     }
 }
 
-loadStudentsForSelect();
-loadHistory();
+loadStudentsForSelect().then(() => {
+    const urlParams = new URLSearchParams(window.location.search);
+    const preStudentId = urlParams.get('student_id');
+    if (preStudentId) {
+        document.getElementById('historyStudentId').value = preStudentId;
+        loadHistory();
+    } else {
+        loadHistory();
+    }
+});
 </script>
 <script src="/assets/js/admin.js"></script>