日期:2014-05-16 浏览次数:20782 次
<form action="" method="post"> 用户名: <input type="text" name="ad_user" id="ad_user" /><br /> 密码: <input type="password" name="ad_pass" id="ad_pass" /><br /> <input type="submit" name="submit" id="btn" value="提交" /> </form>
$(function () { FormEve() }) function FormEve(){ var $btn = $("#btn"); var $ad_user = $("#ad_user") var $ad_pass = $("#ad_pass") $btn.click(function(){ $.ajax({ type: "POST", url: "login.php", data: "ad_user="+ $ad_user.val() +"&ad_pass="+ $ad_pass.val(), success: function(msg){ alert( "Data Saved: " + msg ); } }); }) }
<?php session_start(); //注销登录 if($_GET['action'] == "logout"){ unset($_SESSION['userid']); unset($_SESSION['username']); header("Location:login.html"); exit; } //登录 if(!isset($_POST['submit'])){ exit('非法访问!'); } $ad_user = htmlspecialchars($_POST['ad_user']); $ad_pass = MD5($_POST['ad_pass']); //数据库连接 include('conn.php'); //检测用户名及密码是否正确 $check_query = mysql_query("select adminid from admin where ad_user='$ad_user' and ad_pass='$ad_pass' limit 1"); if($result = mysql_fetch_array($check_query)){ //登录成功 $_SESSION['username'] = $ad_user; $_SESSION['userid'] = $result['adminid']; header("Location:index.php"); die('Could not connect: ' . mysql_error()); exit; } else { header("Location:login.html"); } ?>
<?php session_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html"; charset="utf-8" /> <title></title> <link href="css/admin_dig.css" rel="stylesheet" type="text/css" /> <link href="css/common.css" rel="stylesheet" type="text/css" /> </head> <body> <?php if(!isset($_SESSION['userid'])){ header("Location:login.html"); exit(); } ?> <?php echo "".$_SESSION['username']."" ?> <a href="login.php?action=logout">注销</a> </body> </html>