php 用户登录验证

时间：2023-03-08 17:46:33
php 用户登录验证 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

</head>

<body>

<h1>登陆界面</h1>

<form action="huihuachuli.php" method="post">

<div>用户名：<input type="text" name="uid" /></div>

<div>密码：<input type="password" name="pwd" /></div>

<input type="submit" value="登陆" />

</form>

</body>

</html>
<?php

session_start();

include("DBDA.php");

$db=new DBDA();

$uid=$_POST["uid"];

$pwd=$_POST["pwd"];

$sql="select pwd from users where uid='{$uid}'";

$mima=$db->StrQuery($sql);

if($pwd==$mima)

{

    $_SESSION["uid"]=$uid;

    header("location:zhuye.php");

}

else

{

    echo "用户名或密码错误";

}

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