wordpress数据库配置失败

// 示例代码：检查数据库连接
<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}
echo "连接成功";
?>

// 示例代码：检查数据库认证信息
<?php
define('DB_NAME', 'your_database');
define('DB_USER', 'your_username');
define('DB_PASSWORD', 'your_password');
define('DB_HOST', 'localhost');

$link = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);

if (!$link) {
    die('Could not connect: ' . mysqli_connect_error());
}
echo 'Connected successfully';
mysqli_close($link);
?>

// 示例代码：wp-config.php 文件示例
<?php
define('DB_NAME', 'your_database');
define('DB_USER', 'your_username');
define('DB_PASSWORD', 'your_password');
define('DB_HOST', 'localhost');

/** MySQL 数据库的用户名 */
define('DB_CHARSET', 'utf8');

/** 数据库表格的默认字符集 */
define('DB_COLLATE', '');

/** WordPress 选项的默认语言 */
define('WPLANG', '');

/** 开发者使用的唯一标识符 */
define('WP_DEBUG', false);

if ( !defined('ABSPATH') )
    define('ABSPATH', dirname(__FILE__) . '/');

require_once(ABSPATH . 'wp-settings.php');
?>