132 lines
5.6 KiB
PHP
132 lines
5.6 KiB
PHP
<?php
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// gg.php - 公告管理页面
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// 数据库连接信息
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$servername = "localhost";
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$dbUsername = "a1sax1m9i";
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$dbPassword = "a1sax1m9i";
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$dbName = "a1sax1m9i";
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// 创建连接
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$conn = new mysqli($servername, $dbUsername, $dbPassword, $dbName);
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if ($conn->connect_error) {
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die("数据库连接失败: " . $conn->connect_error);
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}
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$conn->set_charset("utf8mb4");
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$message = "";
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$messageType = "";
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// 处理表单提交
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if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['action']) && $_POST['action'] == 'add_announcement') {
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$nr = trim($_POST["nr"] ?? "");
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if (empty($nr)) {
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$message = "公告内容不能为空！";
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$messageType = "error";
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} else {
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$stmt = $conn->prepare("INSERT INTO announcements (nr) VALUES (?)");
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$stmt->bind_param("s", $nr);
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if ($stmt->execute()) {
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$message = "公告发布成功！";
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$messageType = "success";
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header("Location: " . $_SERVER['PHP_SELF']);
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exit;
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} else {
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$message = "发布失败: " . $conn->error;
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$messageType = "error";
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}
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$stmt->close();
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}
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}
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// 查询所有公告
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$announcements = [];
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$ggResult = $conn->query("SELECT id, nr, time FROM announcements ORDER BY id DESC");
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while($row = $ggResult->fetch_assoc()) {
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$announcements[] = $row;
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}
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$conn->close();
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?>
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<!DOCTYPE html>
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<html lang="zh_cn">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>公告管理</title>
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<link rel="icon" href="./static/icon/icon.png" type="image/png">
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<link rel="alternate icon" href="./static/icon/icon.ico" type="image/x-icon">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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<style>
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body { font-family: 'Arial', sans-serif; background-color: #f5f5f7; color: #333; margin: 0; padding: 20px; }
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.container { max-width: 800px; margin: 0 auto; background-color: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
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h1, h2 { color: #2c3e50; }
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.form-group { margin-bottom: 15px; }
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label { display: block; margin-bottom: 8px; font-weight: bold; }
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textarea.form-control { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; min-height: 120px; }
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.submit-btn { background-color: #2c3e50; color: white; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; font-size: 16px; }
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.submit-btn:hover { background-color: #34495e; }
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.announcement-list { margin-top: 30px; }
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.announcement-item { padding: 15px; border-bottom: 1px solid #eee; }
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.announcement-item:last-child { border-bottom: none; }
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.announcement-meta { color: #777; font-size: 14px; margin-bottom: 8px; }
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.announcement-content { line-height: 1.6; }
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.back-link { display: inline-block; margin-top: 20px; color: #2c3e50; text-decoration: none; }
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.back-link:hover { text-decoration: underline; }
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.message { padding: 10px; margin-bottom: 15px; border-radius: 4px; }
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.success { background-color: #d4edda; color: #155724; }
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.error { background-color: #f8d7da; color: #721c24; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>公告管理</h1>
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<!-- 发布公告表单 -->
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<div class="recommend-container">
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<h2>发布新公告</h2>
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<?php if (!empty($message)): ?>
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<div class="message <?php echo $messageType; ?>">
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<?php echo $message; // 提示信息仍用纯文本 ?>
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</div>
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<?php endif; ?>
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<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
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<input type="hidden" name="action" value="add_announcement">
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<div class="form-group">
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<label for="nr">公告内容 (支持HTML)</label>
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<textarea id="nr" name="nr" class="form-control" placeholder="请输入公告内容，例如：<b>加粗</b>、<a href='https://shanwogou.cn'>链接</a>..." required></textarea>
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</div>
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<button type="submit" class="submit-btn">发布公告</button>
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</form>
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</div>
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<!-- 历史公告列表 -->
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<div class="announcement-list">
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<h2>历史公告</h2>
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<?php if (empty($announcements)): ?>
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<p>暂无历史公告。</p>
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<?php else: ?>
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<?php foreach($announcements as $ann): ?>
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<div class="announcement-item">
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<div class="announcement-meta">
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<span>ID: <?php echo $ann['id']; ?></span> |
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<span>发布时间: <?php echo $ann['time']; ?></span>
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</div>
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<div class="announcement-content">
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<?php
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// 核心修改：移除 htmlspecialchars，让HTML标签生效
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// 保留 nl2br 以正确处理换行符
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echo nl2br($ann['nr']);
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?>
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</div>
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</div>
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<?php endforeach; ?>
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<?php endif; ?>
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</div>
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<a href="index.php" class="back-link"><i class="fas fa-arrow-left"></i> 返回首页</a>
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</div>
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</body>
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</html>
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