php PDO 方式链接mysql
实例说明:
php PDO 方式链接Mysql
实例代码：
<?php
$dsn = 'mysql:host=localhost;dbname=p3_ask';
$username = 'root';
$password = 'root';
try {
$db = new PDO($dsn, $username);
} catch (PDOException $e) {
$error = "Database Error:";
$error .= $e->getMessage();
include('view/error.php');
exit();
}