Solution Rollup _ajax related to Ajax caching problems

1, before the AJAX send the request plus Anyajaxobj.setrequestheader ("if-modified-since", "0").

2, in the AJAX send the request before adding Anyajaxobj.setrequestheader ("Cache-control", "No-cache").

3, after the URL plus a random number: "Fresh=" + math.random ();

4, after the URL plus time to rub: "nowtime=" + New Date (). GetTime ();.

5, if it is using jquery, directly this can be $.ajaxsetup ({cache:false}). All Ajax on this page will execute this statement without having to save the cached record.