上传Multipart swift Image上传内部服务器错误500作为回应

我迁移到swift 3，因此我必须将Alamofire升级到4, 上传具有mulitpart请求的图片在swift 2中工作正常，并且具有相同params的相同API获取内部服务器在成功这里有500错误是SWIFT 2.3代码是工作的罚款上传Multipart swift Image上传内部服务器错误500作为回应

 Alamofire.upload(
     .POST, 
     AppConstants.kAPIBaseURL + AppConstants.KAPIWidgetUrl + AppConstants.KAPIUpdateUserPhoto,headers: headers, 
     multipartFormData: { multipartFormData in 
      multipartFormData.appendBodyPart(data: imageData!, name: "image[image]", fileName: "myImage.png", mimeType: "image/png") 
      multipartFormData.appendBodyPart(data: "\((UserManager._currentUser?.userID)!)".dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"id") 
      multipartFormData.appendBodyPart(data: "profile_picture".dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"upload_to") 


     }, 
     encodingCompletion: { encodingResult in 
      switch encodingResult { 
      case .Success(let upload, _, _): 

       upload.responseJSON { (JSON) in 
        let abc = JSON.result.value as! NSDictionary 
        print(abc) 
        let arrayOfResult = abc["results"] as! NSDictionary 
        let responseMessage = abc["message"] as! String 
        let currentUser: MOUser? 
        currentUser = MOUser.init(object: arrayOfResult) 
        UserManager.setCurrentUser(currentUser) 
        dispatch_async(dispatch_get_main_queue(),{ 
         //Show Alert in UI 
         print("image uploaded"); 
         [self.showAlertViewWithTitle(AppConstants.kEmptyString, message: "\(responseMessage)", dismissCompletion: { 

         })] 
        }) 
       } 

      case .Failure(let encodingError): 
       print(encodingError); 
      } 
     } 
    );

以下是雨燕3码，错误

Alamofire.upload(
     multipartFormData: { multipartFormData in 

      multipartFormData.append(imageData!, withName: "image[image]", fileName: "myImage.png", mimeType: "image/png") 
      multipartFormData.append("\(UserManager._currentUser?.userID)".data(using: .utf8, allowLossyConversion: false)!, withName: "id") 
      multipartFormData.append("profile_picture".data(using: .utf8, allowLossyConversion: false)!, withName: "upload_to") 


    }, 
     to: AppConstants.kAPIBaseURL + AppConstants.KAPIWidgetUrl + AppConstants.KAPIUpdateUserPhoto ,method: .post, headers: headers, 
     encodingCompletion: { encodingResult in 
      print(encodingResult) 
      switch encodingResult { 

      case .success(let upload, _, _): 
       upload.responseJSON { response in 

        print("SUCCESS RESPONSE: \(response)") 
        SVProgressHUD.dismiss() 
        if let info = response as? Dictionary<String, AnyObject> { 

         if let links = info["links"] as! Dictionary<String, AnyObject>? { 
          if let imgLink = links["image_link"] as? String { 

           print("LINK: \(imgLink)") 

          } 
         } 

        } 

       } 

       upload.uploadProgress { progress in 

        print(progress.fractionCompleted) 
       } 

       upload.responseString(completionHandler: { (response) in 
        print(response) 
        print(response.data) 
        print(response.debugDescription) 
        print(response.description) 
        print(response.result.description) 
        print(response.response) 
       }) 



      case .failure(let encodingError): 
       SVProgressHUD.dismiss() 
       print("ERROR RESPONSE: \(encodingError)") 

      }//switch 

    } 
    );

服务器错误是这个

SUCCESS: {"status":"500","error":"Internal Server Error"} 
SUCCESS 
Optional(<NSHTTPURLResponse: 0x60000123cda0> { URL: https://../api///imageupload } { status code: 500, headers { 
Connection = "keep-alive"; 
"Content-Length" = 48; 
"Content-Type" = "application/json; charset=utf-8"; 
Date = "Wed, 11 Jan 2017 13:45:59 GMT"; 
Server = "WEBrick/1.3.1 (Ruby/2.0.0/2015-12-16)"; 
Via = "1.1 vegur"; 
"X-Rack-Cache" = "invalidate, pass"; 
"X-Request-Id" = "78cc7e5c-9bc1-4802-beac-15f8f7c4400a"; 
"X-Runtime" = "0.167883";

如果有人可以帮我解决这个问题。谢谢！

来源

2017-01-11 Shuja

您写道服务器端存在500错误，但根本没有显示服务器代码，也没有显示服务器错误的原因。至少显示服务器错误原因可能有助于理解问题。 – Xvolks

我不，如果它在服务器端，因为相同的代码在swift 2.3工作正常，而在swift3.0我有这个错误“成功：{”状态“：”500“，”错误“：”内部服务器错误“ } – Shuja

你确实写过'得到内部服务器错误500' ... – Xvolks

有一个在这条线的区别：

multipartFormData.append("\(UserManager._currentUser?.userID)".data(using: .utf8, allowLossyConversion: false)!, withName: "id")`.

你不要逼拆礼物：UserManager._currentUser?.userID就像你在2.3版本做：

multipartFormData.appendBodyPart(data: "\((UserManager._currentUser?.userID)!)".dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!, name :"id")

所以你的字符串为“ID”字段可能类似于“可选（”userID“）”而不仅仅是您期望的用户标识。

来源

2017-01-11 16:17:52

谢谢很多，这就是问题 – Shuja

很酷。你能把这个标记为公认的答案吗？ –

上传Multipart swift Image上传内部服务器错误500作为回应

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