Ajax request Returns a page for local refresh of the page

This article implements the partial refresh of Ajax. Ideas are as follows:

First of all From the JSP page a.jsp to the server to initiate an AJAX request, by the action method MethodA processing, the MethodA method of data assembly, the return of a JSP page result.jsp, and in the return of the AJAX results, the result.jsp element, render to a.jsp.

As shown in figure:

A.JSP:

<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "pageencoding=" UTF-8 "%> <%@ taglib uri=" Http://java.sun.com/jsp/jstl/core "prefix=" C "%> <! DOCTYPE html>