如何使用此C＃代碼創建子例程？

Question

我有以下的C＃代碼，我已經在我的代碼中重新使用了大約20次。我無法弄清楚如何使它成爲一個子程序，這將允許我重新使用它的B/C類型的對象每次都基於不同的類。

該代碼的目的是發送一個HTTP請求，收集JSON響應，然後將JSON序列化（使用DataContract）到一個類中以用於其他區域。

這裏就是我的了：這一特定用途

public static ResponseAttachmentIds MakeRequestAttachmentId(string requestUrl, string strToken) 
    { 
     try 
     { 
      HttpWebRequest request = WebRequest.Create(requestUrl) as HttpWebRequest; 
      request.Headers["Authorization"] = "OAuth " + strToken; 
      using (HttpWebResponse response = request.GetResponse() as HttpWebResponse) 
      { 
       if (response.StatusCode != HttpStatusCode.OK) 
        throw new Exception(String.Format(
        "Server error (HTTP {0}: {1}).", 
        response.StatusCode, 
        response.StatusDescription)); 
       DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(ResponseAttachmentIds)); 
       object objResponse = jsonSerializer.ReadObject(response.GetResponseStream()); 
       ResponseAttachmentIds jsonResponse = objResponse as ResponseAttachmentIds; 
       response.Close(); 
       return jsonResponse; 
      } 
     } 
     catch (Exception e) 
     { 
      System.Windows.Forms.MessageBox.Show(e.Message); 
      return null; 
     } 

    } 

的DataContract類：

public class ResponseAttachmentIds 
{ 
    [DataMember(Name = "done")] 
    public bool attachmentIds_done; 
    [DataMember(Name = "records")] 
    public List<ResponseAttachmentId> attachmentIds_records; 
} 
[DataContract] 
public class ResponseAttachmentId 
{ 
    [DataMember(Name = "Id")] 
    public string attachmentId_strId { get; set; } 
    [DataMember(Name = "Image_Attachment_Id__c")] 
    public string attachmentId_strAttachmentId { get; set; } 
} 

的問題是，我也有這個相同的設置約20個不同的類如ResponseImages,ResponseProperties,ResponseProperty等

任何幫助嗎？

Answer 1

我相信你想要的是一個通用的方法，例如：

public static T MakeRequestAttachmentId<T>(string requestUrl, string strToken) where T : class 
    { 
     try 
     { 
      HttpWebRequest request = WebRequest.Create(requestUrl) as HttpWebRequest; 
      request.Headers["Authorization"] = "OAuth " + strToken; 
      using (HttpWebResponse response = request.GetResponse() as HttpWebResponse) 
      { 
       if (response.StatusCode != HttpStatusCode.OK) 
        throw new Exception(String.Format(
        "Server error (HTTP {0}: {1}).", 
        response.StatusCode, 
        response.StatusDescription)); 
       DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(T)); 
       object objResponse = jsonSerializer.ReadObject(response.GetResponseStream()); 
       var jsonResponse = (T)objResponse; 
       response.Close(); 
       return jsonResponse; 
      } 
     } 
     catch (Exception e) 
     { 
      System.Windows.Forms.MessageBox.Show(e.Message); 
      return default(T); 
     } 

    } 

而且你可以把它作爲這樣的：

MakeRequestAttachmentId<ResponseAttachmentIds>("", ""); 

Answer 2

我會改變使用泛型方法。像...

public static T MakeResponseObject<T>(string requestUrl, string strToken) 
{ 
    try 
    { 
     HttpWebRequest request = WebRequest.Create(requestUrl) as HttpWebRequest; 
     request.Headers["Authorization"] = "OAuth " + strToken; 
     using (HttpWebResponse response = request.GetResponse() as HttpWebResponse) 
     { 
      if (response.StatusCode != HttpStatusCode.OK) 
       throw new Exception(String.Format(
       "Server error (HTTP {0}: {1}).", 
       response.StatusCode, 
       response.StatusDescription)); 
      DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(T)); 
      object objResponse = jsonSerializer.ReadObject(response.GetResponseStream()); 
      var jsonResponse = objResponse as T; 
      response.Close(); 
      return jsonResponse; 
     } 
    } 
    catch (Exception e) 
    { 
     System.Windows.Forms.MessageBox.Show(e.Message); 
     return null; 
    } 
}