jquery+Ajax框架处理,XML，JSON,GSON对象传送！详解+案列！struts2的支持
2013-07-24 02:31
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先热热身！看看简单的json,格式吧:
开始上主题!--------------------------------------------------
strtsu.xml 代码:
xml 现在一般不用这 个，太麻烦，流量重
效果
xml jsp页面代码
xml action实现代码:
json 效果图:
json jsp代码:
jsp action 代码:
功能最强大的 gosn 效果图:
gosn jsp页面代码:
gson action 代码:
需要的对象类 代码:
人类:
地址类:
OK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!这个gson演示的时候有点头晕，就是人有朋友，朋友也是人类，有点饶
package acc.testJSON;
import org.json.JSONArray;
import org.json.JSONObject;
public class Test {
/**
* json格式说明
* {}一个对象
* []一个数组
* key:value
* JSONArray
* @param args
*/
public static void main(String[] args) {
String json="{'user':'json','pass':'123'}";
//解悉json格式字符串
JSONObject jsonObj=new JSONObject(json);
String user=jsonObj.getString("user");
String pass=jsonObj.getString("pass");
System.out.println("user: "+user+" \tpass: "+pass);
System.out.println("------------------------------>");
//解析json数组格式
String jsonArray="[{'age':50, 'isOad':false, 'user':{'name':'胡锦涛', 'leve':100}},{'user':{'name':'习近平', 'leve':100}, 'age':333, 'isOad':true}]";
JSONArray array=new JSONArray(jsonArray);
for(int i=0;i<array.length();i++){
//获取第i个数组内容,得到一个josn对象
JSONObject obj=array.getJSONObject(i);
//输出josn对象的内容
System.out.println("age: "+obj.getInt("age"));
System.out.println("isOad: "+obj.getBoolean("isOad"));
//获取josn对象里的 用户对象
JSONObject userJ=obj.getJSONObject("user");
//输出用户对象
System.out.println("name: "+userJ.getString("name")+"\tleve: "+userJ.getInt("leve"));
}
}
}开始上主题!--------------------------------------------------
strtsu.xml 代码:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <include file="jqueryAction.xml" /> <package name="default1" namespace="/" extends="json-default"> <!-- xml对象方式 --> <action name="getXmlInfo" class="accp.struts2.GetXmlInfo"/> <!-- json --> <action name="getJsonInfo" class="accp.struts.json.GetJsonInfo"> <result name="success" type="json"> <!-- 排除属性，不会序列化 --> <param name="excludeProperties">myAge</param> <!-- 指定序列化从那个根开始 <param name="root">person</param> --> <!-- 序列化包括父类的属性 --> <param name="ignoreHierarchy">false</param> <!-- 排除空值的属性 --> <param name="excludeNullProperties">true</param> </result> </action> <!-- Gson Test --> <action name="gsonAction" class="accp.struts.json.GetGsonAction"> </action> </package> </struts>
xml 现在一般不用这 个，太麻烦，流量重
效果
xml jsp页面代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'xmlTest.jsp' starting page</title>
<script type="text/javascript" src="jquery/jquery-1.9.1.js">
</script>
<script type="text/javascript">
/**
*ajax 第一个参数uri地址
*第二个参数：传送过去的值
*第三个参数：反回的回调函数(数据,状态);
*/
function getInfo(){
alert($("#name").val());
$.post(
"getXmlInfo.action",
{ name:$("#name").val()},
function(returnedDatas,status){
if("success"==status) {
var id=$(returnedDatas).find("id").text();
var name=$(returnedDatas).find("name").text();
var age=$(returnedDatas).find("age").text();
var adderss=$(returnedDatas).find("adderss").text();
var htmls="<table width='980px' border='1' align='center'><tr> <td>id</td><th>name</th><th>age</th><th>adderss</th></tr><tr>"
+"<td>"+id+"</td><td>"+name+"</td><td>"+age+"</td><td>"+adderss+"</td></tr></table>";
$("body table:eq(0)").remove();
$("#theBody").append(htmls);
// alert(htmls);
}
}
);
}
</script>
</head>
<body id="theBody">
<select id="name">
<option>刘备</option>
<option>张三</option>
</select>
<input type="button" value="获取信息" onclick="getInfo()"/>
</body>
</html>xml action实现代码:
package accp.struts2;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import org.dom4j.DocumentHelper;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
import com.opensymphony.xwork2.ActionSupport;
public class GetXmlInfo extends ActionSupport {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String execute() throws Exception {
Person person=new Person();
person.setId(1);
person.setName("张三s");
person.setAge(20);
person.setAdderss("dddddd");
Person person2=new Person();
person2.setId(2);
person2.setName("刘备s");
person2.setAge(50);
person2.setAdderss("aaaaa");
//构造一个xml
Document docment=DocumentHelper.createDocument();
docment.setName("myXml");
//代表根元素
Element root=docment.addElement("users");
root.addComment("is a comment");
Element userElement= root.addElement("user");
Element id=userElement.addElement("id");
Element name=userElement.addElement("name");
Element age=userElement.addElement("age");
Element adderss=userElement.addElement("adderss");
if("刘备".equals(this.name)){
id.setText(person2.getId()+"");
name.setText(person2.getName());
age.setText(person2.getAge()+"");
adderss.setText(person2.getAdderss());
}
if("张三".equals(this.name)){
System.out.println("进来了:"+this.name);
id.setText(person.getId()+"");
name.setText(person.getName());
age.setText(person.getAge()+"");
adderss.setText(person.getAdderss());
}
HttpServletResponse response=ServletActionContext.getResponse();
//response.setContentType("text/html; charset=utf-8");
response.setContentType("text/xml; charset=utf-8");
//去除缓存
response.setHeader("Cache-Control","no-cache");
PrintWriter out=response.getWriter();
OutputFormat format=OutputFormat.createPrettyPrint();
format.setEncoding("utf-8");
//把xml文件写入到out对象中 格式为format
XMLWriter write=new XMLWriter(out,format);
write.write(docment);
//out.print(this.name);
System.out.println("GetXmlInf:"+docment+"\nname:"+this.name);
out.flush();
out.close();
return null;
}
}json 效果图:
json jsp代码:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'xmlTest.jsp' starting page</title>
<script type="text/javascript" src="jquery/jquery-1.9.1.js">
</script>
<script type="text/javascript">
function getInfo()
{ alert($("#name").val());
$.post("getJsonInfo.action",
{ name:$("#name").val()},
function(returnedDatas,status){
if("success"==status) {
var name=returnedDatas.name;
var adderss=returnedDatas.myAdderss;
var age=returnedDatas.age;
var id=returnedDatas.id;
var htmls="<table width='980px' border='1' align='center'><tr> <td>id</td><th>name</th><th>age</th><th>adderss</th></tr><tr>"
+"<td>"+id+"</td><td>"+name+"</td><td>"+age+"</td><td>"+adderss+"</td></tr></table>";
$("body table:eq(0)").remove();
$("#theBody").append(htmls);
// alert(name+"/"+adderss);
//alert(returnedDatas);
}
}
);
}
</script>
</head>
<body id="theBody">
<select id="name">
<option>刘备</option>
<option>张三</option>
</select>
<input type="button" value="获取信息" onclick="getInfo()"/>
</body>
</html>jsp action 代码:
package accp.struts.json;
import java.util.Date;
import org.apache.struts2.json.annotations.JSON;
import com.opensymphony.xwork2.ActionSupport;
public class GetJsonInfo extends ActionSupport {
private String name;
private int id;
private int age;
private String adderss;
private Date date;
private Person person=new Person();
public Person getPerson() {
return person;
}
public void setPerson(Person person) {
this.person = person;
}
@JSON(format="yyyy-MM-dd",name="myDate",serialize=false)
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@JSON(serialize=false)//禁止获取这个字段
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
//@JSON(name="myAge")//别名 在解悉的时候 要获取这个属性的名字
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@JSON(name="myAdderss")//别名 在解悉的时候 要获取这个属性的名字
public String getAdderss() {
return adderss;
}
public void setAdderss(String adderss) {
this.adderss = adderss;
}
public String execute() throws Exception {
Person person=new Person();
person.setId(1);
person.setName("张三s");
person.setAge(20);
person.setAdderss("dddddd");
person.setDate(new Date());
Person person2=new Person();
person2.setId(2);
person2.setName("刘备s");
person2.setAge(50);
person2.setAdderss("aaaaa");
person2.setDate(new Date());
if("张三".equals(this.name)){
this.id=person.getId();
this.age=person.getAge();
//this.name=person.getName();
this.adderss=person.getAdderss();
this.date=person.getDate();
}
if("刘备".equals(this.name)){
this.id=person2.getId();
this.age=person2.getAge();
//this.name=person2.getName();
this.adderss=person2.getAdderss();
this.date=person2.getDate();
}
System.out.println("OK完毕!"+this.name);
return SUCCESS;
}
}功能最强大的 gosn 效果图:
gosn jsp页面代码:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'gsonTest.jsp' starting page</title>
<script type="text/javascript" src="jquery/jquery-1.9.1.js">
</script>
<script type="text/javascript">
function getInfo()
{
$.post(
"gsonAction.action",
{name:$("#name").val()},
function(returnedDatas,status)
{
if("success"==status) {
//var obj="{name:'zhangsan',n:'lishi'}";
//json对象需转换才能读取 //将returndates转换为Gson对象
//var JsonObj=eval("("+obj+")");
//alert(JsonObj.name+JsonObj.n);
//var objs={age:"age:20"}
// alert(objs.age);
//var objAction=eval("("+returnedDatas+")");
//alert(objAction[0].name);
alert("姓名:"+returnedDatas[0].name+",家园地址:"+returnedDatas[0].adderss.homeAdders);
var htmls="<table width='980px' border='1' align='center'><tr> <td>id</td><th>name</th><th>公司地址</th><th>家庭adderss</th><th>朋友</th></tr>";
for(var i=0;i<returnedDatas.length;i++){
var JsonNode=returnedDatas[i];
htmls+="<tr><td>"+JsonNode.id+"</td><td>"+JsonNode.name
+"</td><td>"+JsonNode.adderss.comanyAdders
+"</td><td>"+JsonNode.adderss.homeAdders+"</td><td>"
+JsonNode.list[0].name+",\t"+JsonNode.list[1].name+"</td></tr>";
}
htmls+="</table>";
$("body table:eq(0)").remove();
$("#theBody").append(htmls);
}
}
);
}
</script>
</head>
<body id="theBody">
<select id="name">
<option>吴用</option>
<option>宋江</option>
</select>
<input type="button" value="获取all信息" onclick="getInfo()"/>
</body>
</html>gson action 代码:
package accp.struts.json;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import com.google.gson.Gson;
import com.opensymphony.xwork2.ActionSupport;
public class GetGsonAction extends ActionSupport {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String execute() throws Exception {
/*------------------构造朋友对象---------------------------------*/
//朋友1
PeoPle people11=new PeoPle();
people11.setId(2);
people11.setName("林冲");
Adderss adderss11=new Adderss();
adderss11.setHomeAdders("梁山坡冲11");
adderss11.setComanyAdders("朝廷冲11");
people11.setAdderss(adderss11);
//朋友2
PeoPle people12=new PeoPle();
people12.setId(3);
people12.setName("武松");
Adderss adderss12=new Adderss();
adderss12.setHomeAdders("梁山坡松12");
adderss12.setComanyAdders("朝廷松12");
people12.setAdderss(adderss12);
//朋友3
PeoPle people13=new PeoPle();
people13.setId(4);
people13.setName("李逵");
Adderss adderss13=new Adderss();
adderss13.setHomeAdders("梁山坡 李逵8号");
adderss13.setComanyAdders("朝廷 99号");
people13.setAdderss(adderss13);
/*---------------------------------------------------*/
/**
* 信息列表 集合
*/
List<PeoPle> listObj=new ArrayList<PeoPle>();
/**
* 吴用的个人信息
*/
if(this.name.equals("吴用")){
PeoPle people1=new PeoPle();
people1.setId(1);
people1.setName("吴用");
//地址
Adderss adderss=new Adderss();
adderss.setHomeAdders("梁山坡");
adderss.setComanyAdders("朝廷");
people1.setAdderss(adderss);
//朋友列表 集合构造
List<PeoPle> list=new ArrayList<PeoPle>();
list.add(people11);
list.add(people12);
//吴用添加 朋友列表
people1.setList(list);
//个人信息列表加入
listObj.add(people1); //吴用
}
/**
* 宋江个人信息
*/
if(this.name.equals("宋江")){
PeoPle people2=new PeoPle();
people2.setId(20);
people2.setName("宋江");
//地址
Adderss adderss2=new Adderss();
adderss2.setHomeAdders("梁山坡江");
adderss2.setComanyAdders("朝廷江");
people2.setAdderss(adderss2);
//朋友列表集合构建
List<PeoPle> list2=new ArrayList<PeoPle>();
list2.add(people11);
list2.add(people13);
//朋友列表加入
people2.setList(list2);
//个人信息列表加入
listObj.add(people2); //宋江
}
/*
* 把信息转换为gson对象
*/
Gson gson=new Gson();
String GsonResult=gson.toJson(listObj);
//返回客户端
HttpServletResponse response=ServletActionContext.getResponse();
response.setHeader("Cache-Control", "no-cache");//去除缓存
response.setContentType("application/json;charset=utf-8");
//response.setContentType("text/plain;charset=utf-8");//纯文本
//response.setContentType("text/json;charset=utf-8");
PrintWriter out=response.getWriter();
out.write(GsonResult); //写入PrintWriter对象，反回客户端
out.flush();
out.close();
System.out.println("GsonResult:"+GsonResult);
return null;
}
}需要的对象类 代码:
人类:
package accp.struts.json;
import java.util.List;
public class PeoPle {
private int id;
private String name;
private Adderss adderss;
private List<PeoPle> list; //朋友列表
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 Adderss getAdderss() {
return adderss;
}
public void setAdderss(Adderss adderss) {
this.adderss = adderss;
}
public List<PeoPle> getList() {
return list;
}
public void setList(List<PeoPle> list) {
this.list = list;
}
}地址类:
package accp.struts.json;
public class Adderss {
private String homeAdders;
private String comanyAdders;
public String getHomeAdders() {
return homeAdders;
}
public void setHomeAdders(String homeAdders) {
this.homeAdders = homeAdders;
}
public String getComanyAdders() {
return comanyAdders;
}
public void setComanyAdders(String comanyAdders) {
this.comanyAdders = comanyAdders;
}
}OK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!这个gson演示的时候有点头晕，就是人有朋友，朋友也是人类，有点饶
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