JSP + Servlet 实现 AJAX（纯JS版）

==============java 文件，包名org.rain.servlet

package org.rain.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.rain.bean.PageSystemBean;

@WebServlet("/mulAJAXPageSystem")
public class MulAJAXPage extends HttpServlet {
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            out.println(" SmallRain AjAX 请求返回数据         }

    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request, response);
    }

}
======================JSP文件

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

晓雨 JSP + Servlet 实现 AJAX

AJAX 请求