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武当剑客 发表于: 2007-3-23 16:56 来源: PHPChina 开源社区门户
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<?php
session_start();
if(isset($_POST['Submit'])){
require "../inc/db_mysql.php";
$db = new db;
$connect = $db->connect();
$login_sql="select * from wd_admin";
$result=$db->query($login_sql);
$admin_info = $db->fetch_array($result);
if(@$_POST['username']==$admin_info['username'] && md5($_POST['password'])==$admin_info['password']){
$_SESSION['admin'] = 'zhaowei';
header("location:admin.php");
}else{
echo '<SCRIPT language=JavaScript>alert(\'帐号或密码输入错误,请重新输入!\');window.location=\'index.php\';</script>';
}
}
?>
<?php
if($_SESSION['admin'] != 'zhaowei'){
echo '<SCRIPT language=JavaScript>alert(\'您没有登录或有效时间已过,请重新登录!\');window.location=\'index.php\';</script>';
exit;
}
?>