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方法一 <% 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'> |
