Android json 解析

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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 voidonCreate(Bundle savedInstanceState) {

super .onCreate(savedInstanceState);

setContentView(R.layout.main);

detectJSON();

}

private voiddetectJSON() {

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();

}

}

}

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