<?php
$dsn = 'mysql:dbname=stud; host=127.0.0.1';
$pdo = new PDO($dsn, 'root, 'root');
$sql = "select * from data_content_165";
$sth = $pdo->prepare($sql);
$sth->execute();
$data = $sth->fetchAll();
var_dump($data[0]);
?>
Parse error: syntax error, unexpected 'root' (T_STRING), expecting ')' in E:\phpstudy_pro\WWW\stud\index.php on line 3
第三行为什么报错呢?数据库用户名和密码都是root啊~