%@ page contentType="text/html; charset=utf-8"%> <%@ page pageEncoding="utf-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%> <%response.setHeader("Pragma", "no-cache");%> <%response.setHeader("Cache-Control", "no-cache, no-store");%> <%response.setDateHeader("Expires", 0L);%>