读取本地json的时候，asset下的文件名要包括扩展名

package com.example.jsonresolvetest;



import java.io.BufferedReader;

import java.io.File;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.List;



import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

import com.example.jsonresolvetest.bean.ArenaBean;



import android.support.v7.app.ActionBarActivity;

import android.support.v7.app.ActionBar;

import android.support.v4.app.Fragment;

import android.content.Context;

import android.os.Bundle;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ListView;

import android.os.Build;



public class MainActivity extends ActionBarActivity {

    

    //这个类就是解析类

 //1 从网络拿，展示数据，2从本地json里拿，展示数据

    private ListView lv_arena;

    



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        

        lv_arena = (ListView) findViewById(R.id.lv_arena);

        

        jsonData(MainActivity.this, "jsonarena.json");/**尤其需要注意：这里的json文件要带扩展名，要写成"jsonarena.json" 而不是"jsonarena"*/

    }

    

     public static JSONObject jsonData(Context context,String fileName){//filename assets目录下的json文件名  

            JSONObject jsonDate=null; 

            

            try {  
　　　　　　　　　//jsonarena.json文件是放在项目的assets文件夹下的

                InputStreamReader inputStreamReader=new InputStreamReader(context.getAssets().open(fileName),"UTF-8"); //找不着jsonarena文件 

                BufferedReader bufferedReader=new BufferedReader(inputStreamReader);  

                String line;  

                StringBuilder stringBuilder=new StringBuilder();  

                while ((line=bufferedReader.readLine())!=null){  

                    stringBuilder.append(line);  

                }  

                bufferedReader.close();  

                inputStreamReader.close();  

                jsonDate=JSON.parseObject(stringBuilder.toString());//得到JSONobject对象   

                Log.e("jsonDate","=="+jsonDate);  

                int retArray=jsonDate.getIntValue("ret");//得到ret的内容  

                Log.e("retArray","=="+retArray);  

                

                String msgArray = jsonDate.getString("msg");//得到msg的内容

                Log.e("msgArray","=="+msgArray); 

                

                

                JSONArray  arenaArray=jsonDate.getJSONArray("arena");//得到arena节点，不懂得看Log打印就清楚了  

                Log.e("arenaArray","=="+arenaArray);  

                

                List<ArenaBean> listArenaBean=JSON.parseArray(arenaArray.toString(),ArenaBean.class);  //Series 相当于ArenaBean节点

                for(ArenaBean arenaBean:listArenaBean){  

                    Log.e("arena.getId","="+arenaBean.getId());  

                    Log.e("arena.getname","="+arenaBean.getName());  

                    Log.e("arena.getId","="+arenaBean.getStatus()); 

                }  

      

            } catch (IOException e) { 

                e.printStackTrace();  

            }  

            

            return jsonDate;  

        } 

    



}

package com.example.jsonresolvetest.bean;



public class ArenaBean {



    private int id;

    private String name;

    private int status;

    

    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;

    }

    public int getStatus() {

        return status;

    }

    public void setStatus(int status) {

        this.status = status;

    }

    

    

    

}