<?php
$pdo = new PDO('mysql:host=localhost;dbname=root','root','123456');//连接数据库
$pdo->exec('set names utf8');//设置编码
$user = $_POST["username"];
$password = $_POST["password"];
$key = $pdo->query("select * from dec_user where username='".$username."' and password='".$password."'");
//设置查询模式:
$key->setFetchMode(PDO::FETCH_ASSOC);//可填:NUM(索引数组)、ASSOC(关联数组)
//返回条数:
//$row = $key->fetch();//返回一条
if($user==$key['username']&&$password==$key['password']){
echo '登录成功!';
echo '欢迎您,',$user,' UID:',$rows['id'],'<br>';
echo '三秒后跳转到度仙门...';
header("Refresh:3;url=https://www.mc240.cn");
};
if($user!=$key['username']||$password!=$key['password']){
echo '账号或密码错误!<br>或者根本没有这个账号!';
sleep(2);
//echo "<script>alert('返回到上一页');location.href='".$_SERVER["HTTP_REFERER"]."';</script>";
};
?>
帮我看看吧,为啥会这样,我不李姐