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난 그냥 직장이 deserilization을 얻을 수 없습니다. 오류는 발생하지 않지만 artistName은 비어 있습니다.C# json deserialization itunes 검색 api
아무도 도와 줄 수 있습니까?
JSON 문자열 :
{ "RESULTCOUNT": 1, "결과"[ { "wrapperType": "트랙", "종류": "노래", "ArtistID 순"414401 " "collectionId": 6666512, "trackId": 6666508, "artistName": "Autopilot Off", "collectionName": "소리 만들기", "trackName": "Byron Black", "collectionCensoredName" ...] "
은 는 HttpWebRequest를 WebRequest 클래스,
이void StartWebRequest(string itunesUrl)
{
webRequest = (HttpWebRequest)WebRequest.Create(itunesUrl);
webRequest.Method = "GET";
webRequest.BeginGetResponse(new AsyncCallback(FinishWebRequest), null);
}
void FinishWebRequest(IAsyncResult result)
{
StreamReader sr = new StreamReader(webRequest.EndGetResponse(result).GetResponseStream());
string json = sr.ReadToEnd();
Log.debugToVS("json: " + json);
iTunesResult itunesObj = new iTunesResult();
itunesObj = JSONHelper.Deserialise<iTunesResult>(json);
Log.debugToVS("artistId: " + itunesObj.artistName);
}
public void iTunesSearch(string artist, string album, string title)
{
if(artist == "" && album == "" && title == "") return;
string query = "http://ax.itunes.apple.com/WebObjects/MZStoreServices.woa/wa/wsSearch?";
query += "term=" + HttpUtility.UrlEncode(artist + " " + album + " " + title);
query += "&media=music";
query += "&limit=20";
Log.debugToVS("url: " + query);
StartWebRequest(query);
}
}
public class JSONHelper
{
public static T Deserialise<T>(string json)
{
T obj = Activator.CreateInstance<T>();
MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json));
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
obj = (T)serializer.ReadObject(ms); // <== Your missing line
return obj;
}
}
[DataContract]
public class iTunesResult
{
[DataMember]
public string artistName { get; set; }
}