json-lib JSON與Java之間轉換

主要使用的jar包

commons-beanutils-1.9.2.jar

commons-collections-3.2.1.jar

commons-lang-2.6.jar

commons-logging-1.1.3.jar

ezmorph-1.0.6.jar

json-lib-2.4-jdk15.jar

主要使用了使用了JSONArray與JSONObject

普通類型、List、Collection等都是用JSONArray解析

Map、自定義類型是用JSONObject解析

涉及的主要代碼

public class Student {
	private int id;
	private int number;
	private String name;
	private int age;
	private Like like;
	public Student(int id){
		this.like=new Like("basketball","ball");
		this.id=id;
		this.name="www";
		this.age=18;
		this.number=20111344;
	}
	public Student(){
		this.like=new Like("basketball","ball");
		this.name="www";
		this.age=18;
		this.number=20111344;
	}
}
public class Like {
	private String name;
	private String type;
	public Like(String name,String type){
		this.name=name;
		this.type=type;
	}
}
public class TestMain {
	public static void main(String[] args) {
		Student student=new Student();
		JSONObject jsonObject=JSONObject.fromObject(student);
		System.out.println(jsonObject);
	}
}
           

import java.util.HashMap;
import java.util.Map;
import net.sf.json.JSONObject;
public class TestMain {
	public static void main(String[] args) {
		Map<String, String> map=InitMap();
		JSONObject jo=JSONObject.fromObject(map);
		System.out.println(jo);
	}
	public static Map<String, String> InitMap(){
		Map<String, String> map=new HashMap<String, String>();
		map.put("name", "www");
		map.put("age", "18");	
		return map;
	}
}
           

import java.util.ArrayList;
import java.util.List;
import com.wlx.object.Student;
import net.sf.json.JSONArray;
public class TestMain {
	public static void main(String[] args) {
		String[] array=InitArray();
		List<Student> list=InitList();
		JSONArray ja1=JSONArray.fromObject(array);
		JSONArray ja2=JSONArray.fromObject(list);
		System.out.println(ja1);
		System.out.println(ja2);
	}
	public static String[] InitArray(){
		String[] array={"a","b","c","d"};
		return array;
	}
	public static List<Student> InitList(){
		List<Student> list=new ArrayList<Student>();
		Student s1=new Student(1);
		Student s2=new Student(2);
		Student s3=new Student(3);
		Student s4=new Student(4);
		Student s5=new Student(5);
		list.add(s1);
		list.add(s2);
		list.add(s3);
		list.add(s4);
		list.add(s5);
		return list;
	}
}
           

import net.sf.json.JSONObject;
public class TestMain {
	public static void main(String[] args) {
		//字元串轉化為JSON格式，并且轉化為Java對象
		String jsonStr="{\"name\":\"www\",\"job\":{\"name\":\"teacher\"}}";
		JSONObject jo=JSONObject.fromObject(jsonStr);
		Person s=(Person)JSONObject.toBean(jo,Person.class);
		System.out.println(s.getName()+"\n"+s.getJob().getName());
	}
}