<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <script src="js/jquery-3.3.1.min.js"></script> <script> function fun() {$.ajax({url:"ajaxServlet", type:"POST", data:{"username":"light", "age":12 }, success:function (data) {alert(data); },error:function () {alert("出错啦"); }, dataType:"text" });} }); }</script></head><body> <input type="button" value="发送异步请求" οnclick="fun();"> <input type="text"></body></html>
package cn.hopetesting.com;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 java.io.IOException;/** * @author newcityman * @date 2019/9/16 - 21:53 */@WebServlet("/ajaxServlet")public class AjaxServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String username = request.getParameter("username"); try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println(username); response.getWriter().write("hello,"+username+"."); }protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {this.doPost(request, response); }}
转载于:https://www.cnblogs.com/newcityboy/p/11530830.html
