Init 1.0 codes

admin/delete_announcement.php

@@ -0,0 +1,41 @@
+<?php
+require_once '../config.php';
+session_start();
+
+// 检查管理员登录状态
+if (!isset($_SESSION['admin']) || !isset($_SESSION['admin']['id'])) {
+    header('Location: login.php');
+    exit;
+}
+
+// 检查权限 - 只允许all权限
+if ($_SESSION['admin']['permission'] !== 'all') {
+    header('Location: announcements.php?error=没有删除公告的权限');
+    exit();
+}
+
+// 验证公告ID
+if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
+    header('Location: announcements.php?error=无效的公告ID');
+    exit();
+}
+
+$announcement_id = intval($_GET['id']);
+
+// 执行删除操作
+$stmt = $conn->prepare('DELETE FROM announcements WHERE id = ?');
+$stmt->bind_param('i', $announcement_id);
+
+if ($stmt->execute()) {
+    $success = '公告已成功删除';
+} else {
+    $error = '删除公告失败: ' . $conn->error;
+}
+
+$stmt->close();
+$conn->close();
+
+// 重定向回公告管理页面并显示结果
+$redirect = 'announcements.php?' . ($success ? 'success=' . urlencode($success) : 'error=' . urlencode($error));
+header('Location: ' . $redirect);
+exit;