response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");
response.setDateHeader("expires", System.currentTimeMillis()+1000*3600);
String data="小贱人";
response.getWriter().write(data);
--------------------------------------------------
禁用浏览器缓存:
response.setHeader("Cache-Control", "no-cache");
response.setHeader("pragma", "no-cache");
response.setIntHeader("expries", -1);
--------------------------------------
在index.jsp文件中:
<meta></meta>里面的内容,可以充当响应头