nsurlsession

问题 Recently, I am doing a NSUrlSession task to upload multiple images to the backend . I appended all the images in .png representation in an array. I converted the whole array into a base64 String format and tried to send the whole body as a string. Conversion of imageArray to String - let imageArrayData: NSData = NSKeyedArchiver.archivedDataWithRootObject(imageArray) let imageArrayBase64String = imageArrayData.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue: 0)) Here

问题 When I run the following code, I can print a response almost immediately, however, it can take ten seconds or more to appear in my view. It seems like most similar problems are caused by the session and the handler being on different threads. But why does it work eventually? Very confused... func downloadDetails(completed: DownloadComplete) { let url = NSURL(string: _detailsURL)! let session = NSURLSession.sharedSession() let task = session.dataTaskWithURL(url) { (data, response, error) ->

问题 I want add a token for Authorisation to the header. Here it is the curl that my backend ask me to set before any interaction: curl -H 'Authorization: Token token="replace-with-token"' http://domain.com/topic here is my code: [config setHTTPAdditionalHeaders:@{@"Authorization":@"token=\"4959a0bc00a15e335fb6\""}]; I keep getting "HTTP Token: Access denied." does any one know reason? 回答1: I believe it would be this?: [config setHTTPAdditionalHeaders:@{@"Authorization":@"Token token=\

问题 History: I am working on a project for which we need to support: Background Upload of files using NSURLSession . The server expects file to be uploaded using Content-Type: multipart/form-data Previously, I was using NSURLConnection with bound pair of Streams as depicted in this Apple Sample. Now, I wish to follow similar approach with NSURLSession(Background Session) by using uploadTaskWithStreamedRequest :. I have written a small stand-alone iOS Sample + a PHP server to validate my concept.

问题 How i can perform SOAP request using NSURLSession ? Please find request format for SOAP . <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:pm="http://sampleurl.com/webservices/pm"> <soapenv:Header/> <soapenv:Body> <pm:start> <username>awdmmappadmin1</username> <password>password</password> <completedDate>2016-04-25T13:37:34.699Z</completedDate> <gameMinutes>2</gameMinutes> <gameMoves>14</gameMoves> <gameSeconds>33</gameSeconds> <gameTimeSec>153</gameTimeSec>

问题 I have a node.js as backend server. And it has a post method accept a title param and a latitude and longitude param and a image. So, I am not only post a image but with other params together. In the node.js, title -> uitextview's text latitude & longitude - > cllocation and a image. the node.js corresponding method is a form. How to use NSURLSessionUploadTask to post them to the server. 回答1: A file upload with additional parameters will be usually accomplished using a HTTP message whose

问题 In GET request, I am trying to add header. request.setValue(value: String?, forHTTPHeaderField: "SessionInfo") But, SessionInfo value is in [String : Any] Attempt 1: func SO_Function() { let service_url = WebService.sharedManager().serviceURL let getMenuURL = service_url + "/MyPage/FileDownload.ashx" var convertedString = "" do { let data1 = try JSONSerialization.data(withJSONObject: WebService.sharedManager().mobInfoDict, options: []) convertedString = String(data: data1, encoding: .utf8)!

问题 I'm trying to unit test URLSession delegates with mockData. This is the delegate function that is being tested: urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) This is the unit test so far: func test_urlSession(){ let mockSession = MockURLSession(mockResponse: MockURLSession().successHttpURLResponse(request: self.urlRequest!) as! HTTPURLResponse) //error here sut?.urlSession(mockSession, task: MockURLSessionDataTask, didCompleteWithError: Error) }

问题 This is my code. It's working with POST but not with PUT. let url:NSURL = NSURL(string: urlApi)! let session = NSURLSession.sharedSession() let request = NSMutableURLRequest(URL: url) request.HTTPMethod = "PUT" request.cachePolicy = NSURLRequestCachePolicy.ReloadIgnoringCacheData request.addValue("a5f96d8c01000194c639d6b5f3b199eb", forHTTPHeaderField: "token") request.addValue("application/json", forHTTPHeaderField: "Accept") let params:[String: AnyObject] = ["id" : 296,"name" : "asdad",

问题 I make an application that allows user to upload image and several to our server. If I just post text data my code successfully post data to the server but when I try to post text data with image data, my server throw an exception. here is my code: class func Enroll(image: UIImage, date: String, studentid: String, guardianid:String, type:String){ //date,student_id,type,guardian_id,image, type var textBody : String? let imageData = UIImagePNGRepresentation(image) let boundary = NSString(format