Android建立JSON格式資料

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Android建立JSON格式資料

作為上一篇部落格的補充,簡單那講解了一下Android建立JSON格式資料的小Demo。

1. 建立JSON格式資料

對於Android建立JSON格式資料,由於Android官方提供了相應了put(key, value)等方法,因此代碼十分簡單,如下所示:

JSONObject jsonObject = new JSONObject();JSONArray jsonArray = new JSONArray();JSONObject object_1 = new JSONObject();JSONObject object_2 = new JSONObject();JSONObject object_3 = new JSONObject();try {    object_1.put("id", 1);    object_1.put("ide", "eclipse");    object_1.put("name", "Java");    object_2.put("id", 2);    object_2.put("ide", "XCode");    object_2.put("name", "Swift");    object_3.put("id", 3);    object_3.put("ide", "Visual Studio");    object_3.put("name", "C#");    jsonArray.put(object_1);    jsonArray.put(object_2);    jsonArray.put(object_3);    jsonObject.put("languages", jsonArray);    jsonObject.put("cat", "it");} catch (JSONException e) {    e.printStackTrace();}Log.i("TESTJSON", jsonObject.toString());

最後列印出來的Log日誌資訊為:

{"languages":[{"id":1,"ide":"eclipse","name":"Java"},{"id":2,"ide":"XCode","name":"Swift"},{"id":3,"ide":"Visual Studio","name":"C#"}],"cat":"it"}

Android建立JSON格式資料

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