// 获取织梦链 
    $cache_file = DEDEDATA.'/cache/dedelink.txt'; 
    if(file_exists($cache_file)) 
    { 
        $result = unserialize(file_get_contents($cache_file)); 
    } 
    if(!isset($result['result']) OR $result['timeout'] < time()) 
    { 
        $linkUrl = DedeGetHtml("http://flink.Dedecms.com/server_url.PHP")."flink_v56.PHP?lang={$cfg_soft_lang}&site={$_SERVER['SERVER_NAME']}&version=".$cfg_version; 
        $linkInfo = DedeGetHtml($linkUrl); 
         
        $result = array(); 
        $result['result'] = $linkInfo; 
        $result['timeout'] = time() + 60 * 60 * 3; // 缓存3个小时 
        file_put_contents($cache_file,serialize($result)); 
    } else { 
        $linkInfo = $result['result']; 
    }