用ajax方式获得服务器端json的对象（文本）

json.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>

<title>My JSP 'json.jsp' starting page</title>

<!--

-->

$(function()

{

$("#button1").click(function

{

$.get("GsonServlet",{},function(returnedData,status)

{

var html="<table width='60%' border='1' align='center'><tr><th>id</th><th>name</th><th>compayAddress</th><th>sssshomeAddress</th>";

for(int i=0;i<returnedData.length;i++){

var people=returnedData[i]

var id=people.id;

var name=people.name;

var companyAddress=people.companyAddress;

var homeAddress=people.homeAddress;

html+="<tr align='center'><td>"+id+"</td><td>"+name+"</td><td>"+companyAddress+"</td><td>"+homeAddress+"</td>"

html+="</table>";

}

$("#theBody table:eq(0)").remove();

$("#theBody").append(html);

})

</script>

</head>

<body>

</body>

</html>

Address.java

package com.sun.model;

public class Address {

private String homeAddress;

private String compayAddress;

public String getHomeAddress() {

return homeAddress;

}

public void setHomeAddress(String homeAddress) {

this.homeAddress = homeAddress;

}

public String getCompayAddress() {

return compayAddress;

}

public void setCompayAddress(String compayAddress) {

this.compayAddress = compayAddress;

}

People .java

package com.sun.model;

import java.util.List;

public class People {

private int id;

private String name;

private Address address;

private List<People> friends;

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 Address getAddress() {

return address;

}

public void setAddress(Address address) {

this.address = address;

}

public List<People> getFriends() {

return friends;

}

public void setFriends(List<People> friends) {

this.friends = friends;

}

GsonServlet .java

package com.sun.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.List;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.google.gson.Gson;

import com.sun.model.Address;

import com.sun.model.People;

public class GsonServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

List<People> list = new ArrayList<People>();

//构造第一个人

People people1 = new People();//对象类型属性

Address address1 = new Address();//对象类型属性

address1.setCompayAddress("beijing");

address1.setHomeAddress("shanghai");

people1.setId(1);

people1.setName("zhangsan");

people1.setAddress(address1);

//朋友

//第一个人

People people11 = new People();

people11.setId(5);

people11.setName("zhangsan1");

//第二个人

People people12 = new People();

people12.setId(6);

people12.setName("zhangsan2");

List<People> list1 = new ArrayList<People>();

list.add(people11);

list.add(people12);

people1.setFriends(list);

System.out.println("--------------");

//构造第二个人

People people2=new People();

Address address2=new Address();

address2.setCompayAddress("liaoning");

address2.setHomeAddress("吉林");

people2.setId(2);

people2.setName("lisi");

people2.setAddress(address2);

List<People> list2=new ArrayList<People>();

People people21=new People();

people21.setId(3);

people21.setName("lisi11");

People people22=new People();

people22.setId(4);

people22.setName("lisi12");

list2.add(people21);

list2.add(people22);

people2.setFriends(list2);

list.add(people1);

list.add(people2);

Gson gson=new Gson();

String result=gson.toJson(list);

System.out.println(result);

}

用ajax方式获得服务器端json的对象（文本）

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