复杂JSON字符串解析，可以少走弯路

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package com.json5;

  

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

  

public class Test

{

  public static void main(String[] args)

  {

    /*

     1.将下面的JSON字符串 解析并打印出来

        {name:'李俊',age:25,address:{description:'北京 回龙观 新龙城',floor:10},like:['唱歌','画画','旅游']}

     */

    String str="{name:'李俊',age:25,address:{description:'北京 回龙观 新龙城',floor:10},like:['唱歌','画画','旅游']}";

    //JSONObject 解析

    try

    {

      JSONObject jsonObj=new JSONObject(str);

      String name=jsonObj.getString("name");

      int age=jsonObj.getInt("age");

      System.out.println(name+","+age);

        

      //地址是  JSONObject

      JSONObject addressObj=jsonObj.getJSONObject("address");

      String description=addressObj.getString("description");

      int floor=addressObj.getInt("floor");

      System.out.println(description+","+floor);

        

      //爱好是 JSONArray

      JSONArray likeArray=jsonObj.getJSONArray("like");

      for(int i=0;i<likeArray.length();i++)

      {

        String value=likeArray.getString(i);

        System.out.println(value);

      }

        

    } catch (JSONException e)

    {

      e.printStackTrace();

    }

  }

}