<!-- 使用json-lib -->

        <dependency>

            <groupId>net.sf.json-lib</groupId>

            <artifactId>json-lib</artifactId>

            <version>2.4</version>

            <classifier>jdk15</classifier>

        </dependency>

        // 对象到文本

        Emp emp=new Emp();

        emp.setId(1001);

        emp.setName("苗婉秋");

        emp.setSalary(1000);

        JSONObject jsonObject = JSONObject.fromObject(emp);

        System.out.println("emp对象的json文本=" + jsonObject);

        // 文本到对象

        String jsonStr = "{\"id\":1001,\"name\":\"苗婉秋\",\"salary\":1000}";

        JSONObject jsonObject1 = JSONObject.fromObject(jsonStr);

        Emp emp2 = (Emp) JSONObject.toBean(jsonObject1,Emp.class);

        System.out.println(emp2);

emp对象的json文本={"id":1001,"name":"苗婉秋","salary":1000}

emp:1001,苗婉秋,1000

package jsonSample;

public class Emp {

    private long id;

    private String name;

    private int salary;

    public String toString() {

        return String.format("emp:%d,%s,%d",id,name,salary);

    }

    public long getId() {

        return id;

    }

    public void setId(long id) {

        this.id = id;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public int getSalary() {

        return salary;

    }

    public void setSalary(int salary) {

        this.salary = salary;

    }

}