package test;

 import net.sf.json.JSONObject;

 import testspringmysql.User;

 public class TestClass

 {

     public static void main(String args[])

     {

         //创建user对象

         User user = new User();

         user.setAge(10);

         user.setName("ceshi");

         //转化成json对象

         JSONObject jsonResult = JSONObject.fromObject(user);

         //输出

         System.out.println(jsonResult);

     }

 }

package testspringmysql;

public class User {

    private String name;

    private int age;

    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;

    }

}