phpcms新闻心情

// 示例代码：检查数据库连接
$mysqli = new mysqli("localhost", "username", "password", "database");
if ($mysqli->connect_errno) {
    echo "Failed to connect to MySQL: " . $mysqli->connect_error;
    exit();
}

// 示例代码：查询心情数据
$sql = "SELECT mood FROM news_mood WHERE news_id = ?";
$stmt = $mysqli->prepare($sql);
$stmt->bind_param("i", $news_id);
$stmt->execute();
$result = $stmt->get_result();
$mood = $result->fetch_assoc();

// 示例代码：前端显示
if ($mood['mood']) {
    echo "心情: " . $mood['mood'];
} else {
    echo "暂无心情数据";
}

// 示例代码：设置心情操作频率限制
session_start();
if (!isset($_SESSION['last_mood_time'])) {
    $_SESSION['last_mood_time'] = time();
} else {
    if (time() - $_SESSION['last_mood_time'] < 60) { // 60秒内只能操作一次
        echo "操作过于频繁，请稍后再试";
        exit();
    }
}
$_SESSION['last_mood_time'] = time();

// 示例代码：用户身份验证
if (!isset($_SESSION['user_id'])) {
    echo "请先登录";
    exit();
}