<?php
try {
$dsn='mysql:host=localhost;dbname=myname';
$username='root';
$passwd='';
$pdo=new PDO($dsn,$username,$passwd);
var_dump($pdo);
}catch(PDOException $e){
echo $e->getMessage();
}
?>
结果:SQLSTATE[HY000] [1049] Unknown database 'myname'
这是怎么回事?
环境wamp;
phpinfo()如图: