<?php
if(!empty($_GET["url"]))
{
    header('Location:'.base64_decode($_GET["url"]));
}
?>

//dnawo:删除淘宝地址
function deltburl($str){
    $cfg_taoke_url = 'http://www.mzwu.com/taoke/gourl.php?url=';
    if(substr($str,0,7)=='http://'){
        $str = $cfg_taoke_url.base64_encode($str);
    }else{
        preg_match_all('/"([\w\/\.\?\=\-!:&_]+taobao[\w\/\.\?\=\-!:&_]+)"/i',$str,$mat);
        for($i=0;$i<count($mat[1]);$i++){
            $str = str_replace($mat[1][$i], $cfg_taoke_url.base64_encode($mat[1][$i]), $str);
        }
    }
    return $str;
}

{dede:field.pic_url/}

{dede:field name='pic_url' function='deltburl(@me)'/}