后退并刷新页面%? ? //设置缓存为空? ? response.setHeader(Pragma,No-cache)? ? response.setHeade
后退并刷新页面
<%?
? //设置缓存为空?
? response.setHeader("Pragma","No-cache");?
? response.setHeader("Cache-Control","no-cache");?
? response.setDateHeader("Expires",?? 0);?
%>