Myeclipse+Ajax 例子_ajks虚拟框-优快云博客

本文介绍了一个使用AJAX技术在MyEclipse中实现GET和POST请求的例子，详细展示了如何在HTML页面中收集用户输入并将其传递到Java Servlet进行处理，最后将服务器响应返回到页面。

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一个MyEclipse里的AJAX例子2008-03-19 19:53本例将在页面的参数以Get和POST两种方式传递到服务器，并回显到页面；本例共包括两个主要文件getAndPostExample.html和GetAndPostExample.java以及一个配置文件web.xml 建立文件的步骤： 1.在Eclipse新建一个web project-->ajax1 2.在ajax1里面新建一个getAndPostExample.html 3.在ajax1里面新建一个servlet-->GetAndPostExample.java getAndPostExample.html如下

Enter your first name, middle name, and birthday:

First name:
Middle name:
Birthday:

Server Response:

GetAndPostExample.java 如下 package com.ajax1; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class GetAndPostExample extends HttpServlet { protected void processRequest(HttpServletRequest request, HttpServletResponse response, String method) throws ServletException, IOException { //把响应内容类型设置为 text/xml response.setContentType("text/xml"); //得到用户参数值 String firstName = request.getParameter("firstName"); String middleName = request.getParameter("middleName"); String birthday = request.getParameter("birthday"); //生成包含用户参数值的返回字符串 String responseText = "Hello " + firstName + " " + middleName + ". Your birthday is " + birthday + "." + " [Method: " + method + "]"; //写回浏览器 PrintWriter out = response.getWriter(); out.println(responseText); out.close(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //Get主函数调用processRequest,完成Get方法的参数接受，返回的过程 processRequest(request, response, "GET"); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //POST主函数调用processRequest,完成POST方法的参数接受，返回的过程 processRequest(request, response, "POST"); } } web.xml 如下

This is the description of my J2EE component This is the display name of my J2EE component GetAndPostExample com.ajax1.GetAndPostExample GetAndPostExample /GetAndPostExample index.jsp 在这个简单的AJAX的例子里getAndPostExaple.html负责表单参数的输入和传递，而servlet GetAndPostExample.java负责在服务器端接受参数。参数传递时加的时间戳是保证URL的唯一性。