Web服务器

开发平台：

PHP

check.php：源码内容

							<?php 
if(!isset($_SESSION["user"])) echo "<script language='javascript'>alert('登录超时,请重新登录!');window.location='../index.php'</script>";
$userf=$_SESSION["user"];
$sqlon=mysql_query("select * from onuser where user_account='$userf' and sign='1'",$conn); //登录T出
if(mysql_num_rows($sqlon)>0&&!isset($_SESSION["onyes"]))
{
  echo "<script language='javascript'>alert('对不起,您的账号在别处登录,您被迫下线!');window.location.href='exit.php';</script>";
}elseif(mysql_num_rows($sqlon)==0)
{
  unset($_SESSION["onyes"]);
}
$sqltb_r=mysql_query("select tb_right from member where user_account='$userf'",$conn);
if(mysql_num_rows($sqltb_r)>0){
   $_SESSION["tb_right"]=mysql_result($sqltb_r,0,"tb_right");
}else{
   $_SESSION["tb_right"]=0;
}
?>

						