gistfile1.php

<?php
if(!isset($_POST['submit'])){
    exit('非法访问!');
}
session_start();
include ("./manyoudb/conn.php");
//开始获取ip
$ip=get_ip();
function get_ip() {
 if(getenv('HTTP_CLIENT_IP')) $client_ip = getenv('HTTP_CLIENT_IP');
 elseif(getenv('HTTP_X_FORWARDED_FOR')) $client_ip = getenv('HTTP_X_FORWARED_FOR');
 elseif(getenv('REMOTE_ADDR')) $client_ip = getenv('REMOTE_ADDR');
 else $client_ip = $HTTP_SERVER_VARS['REMOTE_ADDR'];
 return $client_ip;
}


$username=$_POST[username];
$pwd=$_POST[password];
$showtime=date("Y-m-d H:i:s");
setcookie('userr',$_POST[username],time()+3600*24);  //发送_COOKIE记录 用户名
setcookie('passwd',$_POST[password],time()+3600*24);  //
$sql="select * from data where user='$username' and password='$pwd' "; //查询mysql数据库data数据表 比对 username, password
$query=mysql_query($sql); 
$row=mysql_fetch_array($query);




if ($_POST['submit']){     //获取提交按钮
  if($row){
		if ($username=='liuhang0077'){
		echo "<script language='javascript'>location='admin';</script>";
		}
			if ($row['loginss']==$yaoqing){	
			$_SESSION['loginss']=$yaoqing;
			mysql_query("update loginss set user = 'user'  email = 'email'  log_count = 'log_count' + 1,lastip = '$ip', logintime = '$showtime'");
			echo "<script language='javascript'>location='center.php';</script>";
		}
		
		
	}
	


	else {
		echo "<script language='javascript'>location='error.php';</script>";
	}
	}
?>