解析JSON的例子

来源：互联网发布：冰封王座mac版打不开编辑：程序博客网时间：2024/05/16 01:59

package com.practice.json;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

public class JsonDemo extends Activity {
    /*
     * 解析JSON的例子，str保存的是JSON代码，解析后的数据在LogCat里输出
    */

String TAG = "Json message";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        detectJSON();
    }

    private void detectJSON() {
    String str = "{"+

    "\"日期\" : \"2011-06-06\","+

    //Like 是 JSONObject
    "\"Like\" : {"+
      "\"Name\" : \"加内特\","+
      "\"Height\" : \"2.11cm\","+
      "\"Age\" : 35"+
    "},"+

    //LikeList 就是一个 JSONObject
    "\"LikeList\":" +
     "{\"List\": " +
     "["+
        //这里也是JSONObject
      "{"+
        "\"Name\" : \"Rose\","+
        "\"Height\" : \"190cm\","+
        "\"Age\" : 23"+
      "},"+
      //这里也是JSONObject
      "{"+
        "\"Name\" : \"科比\","+
        "\"Height\" : \"198cm\","+
        "\"Age\" : 33"+
      "}"+
     "]"+
        "}"+
       "}";

    try {
   JSONObject dataJson = new JSONObject(str);
   Log.d(TAG, dataJson.getString("日期"));

   JSONObject nbaJson = dataJson.getJSONObject("Like");

   Log.d(TAG, nbaJson.getString("Name"));
   Log.d(TAG, nbaJson.getString("Height"));
   Log.d(TAG, nbaJson.get("Age").toString());

   JSONObject listJson = dataJson.getJSONObject("LikeList");
   JSONArray arrayJson = listJson.getJSONArray("List");

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

    JSONObject tempJson = arrayJson.optJSONObject(i);

    Log.d(TAG, tempJson.getString("Name"));
    Log.d(TAG, tempJson.getString("Height"));
    Log.d(TAG, tempJson.getString("Age").toString());
   }


  } catch (JSONException e) {
   System.out.println("Something wrong...");
   e.printStackTrace();
  }
    }
}