如何在PHP程序中防止盗链
PHP代码
- example:
- 页面: dl.php
- --------------------------------------------------------------------------------------
- <?php
- $id = $_GET['id'];
- $act = $_GET['act'];
- switch($act) {
- default :
- case "display" : displayHTML(); break;
- case "down" : down(); break;
- }
- function displayHTML($id) {
- setcookie("visited", "true");
- // print your HTML.
- }
- function down($id) {
- if(! isset($_COOKIE['visited']) ) print "你盗联?";
- $sql = "select path from TABLE where id=". $id;
- //..............................
- }
- ?>
- <a href="dl.php?id=1&act=down">Download Now...</a>