json与对象之间的转化（方案一）

1.所需要的jar包

2.编写实体类

package com.yun.bean;

public class Product {
  private Integer id;
  private String name;
  private int price;
  public Integer getId() {
    return id;
  }
  public void setId(Integer id) {
    this.id = id;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public int getPrice() {
    return price;
  }
  public void setPrice(int price) {
    this.price = price;
  }

}

3.编写测试类

package com.yun.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.xml.ws.Endpoint;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import com.yun.bean.Product;
import com.yun.service.User.impl.UserServiceImpl;

public class Test {

  /**
   * @param args
   */
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    //对象转化成json字符串
    Product p=new Product();
    p.setId(1);
    p.setName("刘云生1");
    p.setPrice(100);
    
    Product p1=new Product();
    p1.setId(2);
    p1.setName("刘云生2");
    p1.setPrice(100);
    
    List list=new ArrayList();
    list.add(0, p);
    list.add(1, p1);
    
    JSONArray json=JSONArray.fromObject(list);
    String s=json.toString();
    System.out.println(s);
        //json数组转对象
    String json2 = "{name=\"刘云生\",bool:true,int:1,double:2.2,func:function(a){ return a; },array:[1,2]}";
    JSONObject jo=JSONObject.fromObject(json2);
    Object o=JSONObject.toBean(jo);
    String name=(String) jo.get("name");
    System.out.println(jo);
    System.out.println(name);
    
  }

}

4.测试结果