[函数]客户端不缓存方法

不缓存方法封装

public function disCache(){
    $ts = gmdate("D, d M Y H:i:s",strtotime('-1 year')) . " GMT";
    header("Expires: $ts");
    header("Last-Modified: $ts");
    header("Pragma: no-cache");
    header("Cache-Control: no-cache, must-revalidate");
}