dedecms使用留言板

<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $name = $_POST['name'];
    $email = $_POST['email'];
    $message = $_POST['message'];

    // 数据库连接
    $conn = mysqli_connect('localhost', 'username', 'password', 'dedecms');

    // 检查连接
    if (!$conn) {
        die("连接失败: " . mysqli_connect_error());
    }

    // 插入数据
    $sql = "INSERT INTO `dede_guestbook` (`name`, `email`, `message`) VALUES ('$name', '$email', '$message')";
    if (mysqli_query($conn, $sql)) {
        echo "留言提交成功！";
    } else {
        echo "留言提交失败: " . mysqli_error($conn);
    }

    mysqli_close($conn);
}
?>

<form method="post" action="">
    <label for="name">姓名:</label>
    <input type="text" id="name" name="name"><br><br>
    <label for="email">邮箱:</label>
    <input type="email" id="email" name="email"><br><br>
    <label for="message">留言:</label><br>
    <textarea id="message" name="message"></textarea><br><br>
    <input type="submit" value="提交">
</form>