PHP HTTP协议：防盗链

test.html:主界面

1 <html>
2     <head>
3         <meta http-equiv="content-type" content="text/html;charset=utf-8">
4     </head>
5     <body>
6         <h1> test</h1>
7         <a href="http://localhost:8082/import.php"> 查看图片</a>
8     </body>
9 </html>

import.php:通过主页面进入的主机下的页面

 1 <?php
 2 
 3   //获取Referer
 4   if(isset($_SERVER['HTTP_REFERER']))
 5   {
 6       //取出来referer,判断$_SERVER['HTTP_REFERER']是否以http://localhost开头的
 7 
 8       if(0==strpos($_SERVER['HTTP_REFERER'],"http://localhost"))
 9     {
10         echo "大队了";
11     }else{
12       header("Location:warning.php");    
13     }
14   }else{
15       header("Location:warning.php");    
16     }
17   echo "恭喜你进来了";
18 ?>

warning.php:警告页面

1 <?php
2   
3   echo "别乱来";
4 ?>

PHP HTTP协议：防盗链

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