Cagatay Cagatay - 17 days ago 10
iOS Question

POST request with data in body with Alamofire 4

how is it possible to send a POST request with a data in the HTTP body with Alamofire 4? I used custom encoding at swift 2.3 it was working good. I converted my code swift 3 and I tried to paramater encoding but not working. This code :

public struct MyCustomEncoding : ParameterEncoding {
private let data: Data
init(data: Data) {
self.data = data
}
public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest {

var urlRequest = try urlRequest.asURLRequest()
do {
urlRequest.httpBody = data
urlRequest.setValue("application/json", forHTTPHeaderField: "Content-Type")

} catch {
throw AFError.parameterEncodingFailed(reason: .jsonEncodingFailed(error: error))
}

return urlRequest
}


and Alamofire request :

let enco : ParameterEncoding = MyCustomEncoding(data: ajsonData)
Alamofire.request(urlString, method: .post , parameters: [:], encoding: enco , headers: headers).validate()
.responseJSON { response in
switch response.result {
case .success:
print(response)

break
case .failure(let error):

print(error)
}
}

Answer

You need to send request like below in swift 3

let urlString = "https://httpbin.org/get"

Alamofire.request(urlString, method: .post, parameters: ["foo": "bar"],encoding: JSONEncoding.default, headers: nil).responseJSON {  
response in
  switch response.result {
                case .success:
                    print(response)

                    break
                case .failure(let error):

                    print(error)
                }
}
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