chkadmin.php

十大精典PHP项目开发全程案例+代码

<?php
session_start();
$username=$_POST[username];
$userpwd=md5(trim($_POST[userpwd]));
include_once("../conn/conn.php");
$sql=mysql_query("select usernc from tb_user where usernc='".$username."' and pwd='".$userpwd."' and usertype=2",$conn);
$info=mysql_fetch_array($sql);
if($info==false){
  echo "<script>alert('对不起,用户名或密码输入错误!');history.back();</script>";
  exit;
}else{
  session_register("admin_nc");
  $_SESSION["admin_nc"]=$username; 
  echo "<script>window.location.href='default.php';</script>";
}
?>