xml.jsp
%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
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>
<base href="<%=basePath%>">
<title>My JSP 'xml.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="scripts/jquery-1.3.1.js">
</script>
<script type="text/javascript">
$(function()
{
$("#button1").click(function()
{
$.ajax({
type:"POST",
url:"XMLServlet",
dataType:"xml",
data:{name:$("#name").val()},
success:function(returnedData){
var id = $(returnedData).find("id").text();
var name = $(returnedData).find("name").text();
var age = $(returnedData).find("age").text();
var address= $(returnedData).find("address").text();
var html="<table width='60%' border='1' align='center'><tr><th>id</th><th>name</th><th>age</th><th>address</th><tr><td>"+id+"</td><td>"+name+"</td><td>"+age+"</td><td>"+address+"</td></tr>";
$("#theBody table:eq(0)").remove();
$("#theBody").append(html);
}
})
})
})
</script>
</head>
<body id="theBody">
<select id="name">
<option value="zhangsan">
zhangsan
</option>
<option value="lisi">
lisi
</option>
</select>
<input type="button" id="button1" value="get content from server"></input>
</body>
</html>
person.java
package com.sun.model;
public class Person {
private int id;
private String name;
private int age;
private String address;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
XMLServlet.java
package com.sun.servlet;
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;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
import com.sun.model.Person;
public class XMLServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String name=request.getParameter("name");
Person person=new Person();
if("zhangsan".equals(name)){
person.setId(1);
person.setName("zhangsan");
person.setAddress("beijing");
person.setAge(30);
}else{
person.setId(2);
person.setName("lisi");
person.setAddress("shanghai");
person.setAge(20);
}
//下面采用DOM4J
Document document=DocumentHelper.createDocument();//创建文档对象
Element rootElement=document.addElement("users");//创建根元素
rootElement.addComment("This is a comment!");//注释
Element userElement=rootElement.addElement("user");//增加user子元素
Element idElement=userElement.addElement("id");
Element nameElement=userElement.addElement("name");
Element ageElement=userElement.addElement("age");
Element addressElement=userElement.addElement("address");
idElement.setText(person.getId()+"");
nameElement.setText(person.getName());
ageElement.setText(person.getAge()+"");
addressElement.setText(person.getAddress());
//设定相应类型，要让jquery知道这是一个xml相应的
response.setContentType("text/xml;charset=utf-8");
//浏览器禁用缓存
response.setHeader("pragma","no-cache");
response.setHeader("cache-control","no-cache");
//将数据发送给客户端
PrintWriter out = response.getWriter();
OutputFormat format =OutputFormat.createPrettyPrint();
format.setEncoding("utf-8");
XMLWriter xmlWriter=new XMLWriter(out,format);
xmlWriter.write(document);
out.flush();
out.close();
}
}
$.post 提交
<%@ 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>
<base href="<%=basePath%>">
<title>My JSP 'xml.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="scripts/jquery-1.3.1.js">
</script>
<script type="text/javascript">
$(function()
{
$("#button1").click(function()
{
//$.post("请求资源路径",{向服务器端发送的数据},回调函数)
$.post("XMLServlet",
{
name:$("name").val()
},function(returnedData,status){
var id = $(returnedData).find("id").text();
var name = $(returnedData).find("name").text();
var age = $(returnedData).find("age").text();
var address= $(returnedData).find("address").text();
var html="<table width='60%' border='1' align='center'><tr><th>id</th><th>name</th><th>age</th><th>address</th><tr><td>"+id+"</td><td>"+name+"</td><td>"+age+"</td><td>"+address+"</td></tr>";
$("#theBody table:eq(0)").remove();
$("#theBody").append(html);
}
})
})
</script>
</head>
<body id="theBody">
<select id="name">
<option value="zhangsan">
zhangsan
</option>
<option value="lisi">
lisi
</option>
</select>
<input type="button" id="button1" value="get content from server"></input>
</body>
</html>
