java/jsp扫除jsp缓存

java/jsp清除jsp缓存
In Java:

HttpServletResponse response = (HttpServletResponse)rep;response.setDateHeader("Expires", -1);response.setHeader("Cache_Control", "no-cache");response.setHeader("Pragma", "no-cache");

<% response.setHeader("Cache-Control","no-cache");response.setHeader("Pragma","no-cache");response.setHeader("Expires","-1");%>