我正在开发一个应用程序,当我用合适的参数击中服务器时,得到的响应为JSON
。现在,我必须解析这些数据并将其存储在arraylist
中,我完成了这里,但现在我必须根据JSONObject
解析数据并存储在array
中。这是我想说的:以下是我得到的JSON response
:将JSON响应的值存储在arraylist中,然后根据JSONObject输出对其进行过滤
{"rewards":[
{
"rewardID":"2",
"rewardType":"giftcard",
"rewardTitle":"$5 Starbucks Gift Card"
},
{
"rewardID":"3",
"rewardType":"giftcard",
"rewardTitle":"$5 Target Gift Card"
},
{
"rewardID":"24",
"rewardType":"miles",
"rewardTitle":"100 AmericanAirlines Advantage Miles"
},
{
"rewardID":"25",
"rewardType":"miles",
"rewardTitle":"100 US Airways Dividend Miles"
}
]
}
你可以看到rewardType
参数已经得到了不同的价值观像"giftcard"
,"miles"
。我必须分别根据JSONObject
,即rewardType
进行解析,并将其存储在arraylist
中作进一步处理。 下面是我在做什么了越来越resposne并将其存储在不同的变量:
@Override
protected String doInBackground(String... args) {
HttpParams params = new BasicHttpParams();
params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION,
HttpVersion.HTTP_1_1);
HttpClient httpClient = new DefaultHttpClient(params);
HttpPost post = new HttpPost(
"API HERE");
post.setHeader("Content-Type", "application/x-www-form-urlencoded");
try {
post.setEntity(new StringEntity("client_id=" + client_id + "&"
+ "client_secret=" + clientSecretKey, HTTP.UTF_8));
HttpResponse response = httpClient.execute(post);
int i = response.getStatusLine().getStatusCode();
System.out.println("HTTP Post status: "
+ i);
BufferedReader in = new BufferedReader(new InputStreamReader(
response.getEntity().getContent()));
// SB to make a string out of the inputstream
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
// the json string is stored here
String result = sb.toString();
System.out.println("Result Body: " + result);
return result;
} catch (Exception e) {
// TODO: handle exception
}
return null;
}
@Override
protected void onPostExecute(String result) {
JSONObject jObject;
try {
jObject = new JSONObject(result);
JSONArray jSearchData = jObject.getJSONArray("rewards");
for (int i = 0; i < jSearchData.length(); i++) {
JSONObject objJson = jSearchData.getJSONObject(i);
rewardID = objJson.getString("rewardID");
rewardType = objJson.getString("rewardType");
rewardTitle = objJson.getString("rewardTitle");
if (rewardType == "giftcard") {
System.out.println("Reward ID: " + rewardID);
System.out.println("Reward Type: " + rewardType);
System.out.println("Reward Tittle: " + rewardTitle);
System.out.println("Reward ImageFileName: "
+ rewardImageFilename);
System.out.println("Reward Price: " + rewardPrice);
}
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
任何形式的帮助将不胜感激。
现在你想要做 – Rohit
见我对你的答案评论什么。 – Anupam
正如你所说我在做'rewardType ==“giftcard”'但是'if'语句里面没有打印任何内容。在'if'外面,我可以打印所有内容。如何只过滤那些有'rewardType = giftcard'作为回应的数据。 – Anupam