pdo连接数据库案例

<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2019/6/13
* Time: 16:21

* pdo连接数据库案例

*/
$host='127.0.0.1';
$dbname='hediwangluo';
$charset='utf8';
$username='root';
$password='root';
try{
   $pdo=new PDO('mysql:host='.$host.';dbname='.$dbname.';charset='.$charset.'',$username,$password);
}catch(PDOException $e) {
   die("Error".($e->getMessage()));
}
$pdo=null;