java 分享巧克力_fastjson转化复杂javabean

package json.fastjson;

import java.util.ArrayList;

import java.util.List;

import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONObject;

import com.alibaba.fastjson.serializer.SerializerFeature;

public class Fastjson2JavaBean {

public static void main(String[] args) {

Course math = new Course(1,"数学");

Course english = new Course(2,"英语");

List courseList = new ArrayList();

courseList.add(math);

courseList.add(english);

Student student = new Student("zz", courseList);

String json = JSONObject.toJSONString(student, SerializerFeature.WriteMapNullValue);

System.out.println(json);

Student s = JSON.parseObject(json, Student.class);

System.out.println(s.getName());

List list = s.getCourse();

for(int i = 0; i < list.size(); i++){

Course c = list.get(i);

System.out.println(c.getId() + "--" + c.getName());

}

}

}

class Student{

private String name;

private List course;

public Student(){

//必须实现无参的构造方法

}

public Student(String name, List course){

this.name = name;

this.course = course;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public List getCourse() {

return course;

}

public void setCourse(List course) {

this.course = course;

}

}

class Course{

private int id;

private String name;

public Course(){

//必须实现无参的构造方法

}

public Course(int id, String name){

this.id = id;

this.name = name;

}

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;

}

}