/**
* 禁止缓存
*/
public static void disableResponseCaching(HttpServletResponse response){
response.setHeader("Expires", "Sat, 1 January 2000 12:00:00 GMT");
response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
response.addHeader("Cache-Control", "post-check=0, pre-check=0");
response.setHeader("Pragma", "no-cache");
}