guard let img = UIImage(named: "aliyun-logo-local") else { return } let imgData = UIImageJPEGRepresentation(img,1) let path = NSSearchPathForDirectoriesInDomains(.documentDirectory,.userDomainMask,true)[0] let imgPath = "\(path)/\("aliyun-logo-local.png")" NSData(data: imgData!).write(toFile: imgPath,atomically: true) let imgView = UIImageView() view.addSubview(imgView) imgView.frame = CGRect(x: 100,y: 100,width: 100,height: 100) DispatchQueue.global().async(execute: { let fileImage = UIImage.init(contentsOfFile: imgPath) DispatchQueue.main.async(execute: { imgView.image = fileImage }) }) //let fileURL = Bundle.main.url(forResource: "aliyun-logo-local",withExtension: "png") let searchURL : URL = URL(fileURLWithPath: imgPath) Alamofire.upload( multipartFormData: { multipartFormData in multipartFormData.append(searchURL,withName: "file") },to: "http://127.0.0.1/upload/upload_file.PHP",encodingCompletion: { encodingResult in switch encodingResult { case .success(let upload,_,_): upload.responseJSON { response in debugPrint(response) } case .failure(let encodingError): print(encodingError) } })