ios - Swift 3 Alamofire 分段上传

Question

由于迁移到 Swift 3，我发现很难编译我使用 Alamofire 的项目。

上传multipartFormData时出现的问题:

Alamofire.upload(.POST, URL, headers: headers, multipartFormData: {
        multipartFormData in
.
.
. 
}) 

Ambiguous reference to member 'upload(_:to:method:headers:)'

非常感谢任何帮助，提前致谢!

已解决:

 Alamofire.upload(multipartFormData: { (multipartFormData) in

        multipartFormData.append(fileData, withName: "file_pack", fileName: "file_pack", mimeType: "text/plain")


        for (key, value) in self.parameters {
            multipartFormData.append(value.data(using: String.Encoding.utf8)!, withName: key)
        }
        }, with: URL2, encodingCompletion: { (result) in

            switch result {
            case .success(let upload, _, _):

                upload.responseJSON { response in
                    self.delegate?.showSuccessAlert()
                    print(response.request)  // original URL request
                    print(response.response) // URL response
                    print(response.data)     // server data
                    print(response.result)   // result of response serialization
                    //                        self.showSuccesAlert()
                    self.removeImage("frame", fileExtension: "txt")
                    if let JSON = response.result.value {
                        print("JSON: \(JSON)")
                    }
                }

            case .failure(let encodingError):
                self.delegate?.showFailAlert()
                print(encodingError)
            }

    })

上传方法应该如何在 Swift 3 中实现

Answer 1

例如，在 Swift 3 中使用 Alamofire 4.0.0:

(确保您已准备好 4.0.0，因为看起来您还没有更新您的 Alamofire)

Alamofire.upload(multipartFormData: { (multipartFormData) in
        // code
    }, to: URL, encodingCompletion: { (result) in
        // code
    })

或

Alamofire.upload(multipartFormData: { (multipartFormData) in
        // code
    }, with: URL, encodingCompletion: { (result) in
        // code
    })

所以headers需要通过URL请求传递:

let URL = try! URLRequest(url: "http://example.com", method: .get, headers: headers)