使用PHP编写脚本测试数据库连接是否正常

$host = '127.0.0.1';
$user = '';
$pass = '';
$db   = '';

$conn = mysqli_connect($host, $user, $pass, $db);

if (!$conn) {
    die("连接失败: " . mysqli_connect_error());
}
echo "数据库连接成功！";

Tagged as: PHP