如何在PHP程序中防止盗链

PHP 2018-12-30

example: 页面:dl.PHP
--------------------------------------------------------------------------------------
<div class="codetitle"><a style="CURSOR: pointer" data="58018" class="copybut" id="copybut58018" onclick="doCopy('code58018')"> 代码如下:

<div class="codebody" id="code58018">
<?PHP $id=$_GET['id'];
$act=$_GET['act']; switch($act){
default:
case"display":displayHTML();break;
case"down":down();break;
} functiondisplayHTML($id){
setcookie("visited","true"); //printyourHTML.
} functiondown($id){
if(!isset($_COOKIE['visited']))print"你盗联?"; $sql="selectpathfromTABLEwhereid=".$id;
//..............................
}
?> <ahref="dl.PHP?id=1&act=down">DownloadNow...

PHP 防止盗链

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