如何使页面不被浏览器Cache保留
如何使页面不被浏览器Cache保留
<%
response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
//or response.setHeader("Cache-Control","no-store");//HTTP 1.1
response.setHeader("Pragma","no-cache"); //HTTP 1.0
response.setDateHeader ("Expires", 0); //prevents caching at the proxy server
%>
方法二
import java.text.SimpleDateFormat;
import java.util.Date;
SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy - HH:mm:ss z");
response.setHeader("Expires", dateFormat.format(new Date()));
方法三
<meta http-equiv=''Expires'' content=''-10''>
<meta http-equiv=''Pragma'' content=''No-cache''>
<meta http-equiv=''Cache-Control'', ''private''>
![](http://www.cnblogs.com/images/cnblogs_com/nanshouyong326/90398/o_20080126(020).jpg)