登陆页面： <script> function login_submit(){ var MId,user_name,user_pass,targeturl; var user_name = document.login.user_name.value; var user_pass = document.login.user_pass.value; if((user_name!='') && (user_pass!='')){ document.login.user_name.value='' document.login.user_pass.value='' DMsysWin=window.open("","","scrollbars") if (document.all){ DMsysWin.moveTo(0,0) DMsysWin.resizeTo(screen.width,screen.height-30) } targeturl='loginok.php?user_name='+user_name+'&user_pass='+user_pass+'&submit=1' DMsysWin.location=targeturl }else{ alert("请输入管理员和密码！"); } return false; } </script>

管理员： 密　码：

验证页面： <?php require_once("config.php"); ?> <?php $name=$_GET['user_name']; $password=$_GET['user_pass']; $sqlquery="select * from admin where admin='$name' and password='$password'"; $queryresult=mysql_query($sqlquery); if($row=mysql_fetch_array($queryresult)){ ?> <script language="JavaScript"> window.location="index.php"; </script> <?php session_name(); session_start(); session_register('admin'); ?> <?php } else { ?> <script language="JavaScript"> alert("非法登录！"); window.close(); </script> <?php } ?> 每个页面中都<? require_once("session.php")?>这样嵌入session.php页。 session.php的代码为： <?php session_name(); session_start("admin"); if(!(session_is_registered("admin"))){ session_unset(); session_destroy(); echo "