让JSP页面过期, 保证每次JSP页面都是最新的.
类别: JSP教程 
response.addHeader("Cache-Control", "no-cache");
response.addHeader("Expires", "Thu, 01 Jan 1970 00:00:01 GMT");
response.addHeader("Expires", "Thu, 01 Jan 1970 00:00:01 GMT");
类别: JSP教程 
