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Android解析Json格式数据
来源:互联网   发布日期:2016-01-13 21:58:57   浏览:2358次  

导读:01 package com.practice.json; 02 03 import org.json.JSONArray; 04 import org.json.JSONException; 05 import org.json.JSONObject; 06 07 import android.app.Activity; 08 import android.os.Bundle; 09 import android.util.Log; 10 11 public class...

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package com.practice.json;

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import org.json.JSONArray;

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import org.json.JSONException;

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import org.json.JSONObject;

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import android.app.Activity;

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import android.os.Bundle;

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import android.util.Log;

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public class JsonDemo extends Activity {

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/*

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* 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

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*/

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String TAG = "Json message";

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@Override

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public void onCreate(Bundle savedInstanceState) {

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super.onCreate(savedInstanceState);

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setContentView(R.layout.main);

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detectJSON();

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}

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private void detectJSON() {

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String str = "{"+

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"\"日期\" : \"2011-06-06\","+

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//Like 是 JSONObject

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"\"Like\" : {"+

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"\"Name\" : \"加内特\","+

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"\"Height\" : \"2.11cm\","+

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"\"Age\" : 35"+

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"},"+

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//LikeList 就是一个 JSONObject

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"\"LikeList\":" +

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"{\"List\": " +

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"["+

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//这里也是JSONObject

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"{"+

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"\"Name\" : \"Rose\","+

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"\"Height\" : \"190cm\","+

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"\"Age\" : 23"+

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"},"+

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//这里也是JSONObject

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"{"+

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"\"Name\" : \"科比\","+

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"\"Height\" : \"198cm\","+

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"\"Age\" : 33"+

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"}"+

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"]"+

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"}"+

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"}";

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try {

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JSONObject dataJson = new JSONObject(str);

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Log.d(TAG, dataJson.getString("日期"));

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

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Log.d(TAG, nbaJson.getString("Name"));

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Log.d(TAG, nbaJson.getString("Height"));

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

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JSONObject listJson = dataJson.getJSONObject("LikeList");

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JSONArray arrayJson = listJson.getJSONArray("List");

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

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JSONObject tempJson = arrayJson.optJSONObject(i);

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Log.d(TAG, tempJson.getString("Name"));

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Log.d(TAG, tempJson.getString("Height"));

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

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}

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} catch (JSONException e) {

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System.out.println("Something wrong...");

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e.printStackTrace();

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}

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}

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}

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