jQuery實現的Ajax小例子

jsp代碼：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript" src="<%=basePath%>js/jquery-1.6.4.min.js"></script>
</head>
<script type="text/javascript">
function ajaxrequest(){
$.ajax({
type:"get",
url:"lpm",
dataType:"text",
data:"name=hello world&age=15",
success:function(msg){
$("#name").val(msg);
}
});
}
function ajaxre2(){
$.get("lpm",{name:"lpm",age:"25"},function(msg){
$("#wenben").val(msg);
});
}
</script>
<body>
<input type="button" id="name" value="按鈕" onclick="ajaxrequest()" />
<input type="text" id="wenben" onfocus="ajaxre2()"/>
</body>
</html>

web.xml配置servlet：

servlet代碼：

package com.chinasoft;
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 lpm extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String name=request.getParameter("name");
String age=request.getParameter("age");
out.println(name+":"+age);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}