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)
}
}

Please find the code below

**

> pod 'Alamofire', '~> 5.4'

**
**

> pod 'ObjectMapper', '~> 4.2'

**
**

> pod 'SwiftyJSON'

**

> pod 'TPKeyboardAvoiding'

**Use Model**

import ObjectMapper

class LoginModel : Mappable{

var status : String?
var data : [DataModel]?
var message : String?

required init?(map: Map) {
}

func mapping(map: Map) {
status <- map["status"]
data <- map["data"]
message <- map["message"]
}
}

class DataModel : Mappable{
var access_token : String?
var isvideo : String?

required init?(map: Map) {

}

func mapping(map: Map) {
access_token <- map["access_token"]
isvideo <- map["isvideo"]
}
}

**Call API**

HTTPNetwork().getHTTPData("", parameters: LoginParameter, completion: {(successresponse) -> Void in

if let res = successresponse{
print("sucess token \(res["message"].string!)")
if let myuser = Mapper<DataModel>().map(JSONString: res["data"].rawString()!){
print("access_token \(myuser.access_token)")
}
}
}, error: {(errorresponse)-> Void in
if let res = errorresponse{
print("Error response token \(res)")
}
})


public func getHTTPData(_ request: String, parameters : Parameters?, completion: @escaping ( JSON?) -> Void, error: @escaping ( JSON?) -> Void){
AF.request(URL.init(string: "url")!, method: .post, parameters: parameters, encoding: JSONEncoding.default, headers: ["Content-Type":"application/json"]).responseJSON { (response) in
print(response.result)

switch response.result{
case .success:
if let json = response.value as? [String : Any]{
if let output:JSON = JSON(response.value!){
if json["isSuccess"] as? Int == 1{
completion(output)
}else{
error(output)
}
}
}else{
completion(nil)
}
case .failure:
completion(nil)
}
}
}

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)
}
}

Swift 5 with Alamofire 5:

AF.request(URL.init(string: url)!, method: .post, parameters: parameters, encoding: JSONEncoding.default, headers: headers).responseJSON { (response) in
print(response.result)

switch response.result {

case .success(_):
if let json = response.value
{
successHandler((json as! [String:AnyObject]))
}
break
case .failure(let error):
failureHandler([error as Error])
break
}
}

Alamofire using post method
import UIKit
import Alamofire

class ViewController: UIViewController {
let parameters = [
"username": "foo",
"password": "123456"
]
let url = "https://httpbin.org/post"

override func viewDidLoad() {
super.viewDidLoad()
Alamofire.request(url, method: .post, parameters: parameters, encoding: JSONEncoding.default, headers: [:]).responseJSON {
response in
switch (response.result) {
case .success:
print(response)
break
case .failure:
print(Error.self)
}
}
}

This will work better in Swift 4.

let url = "yourlink.php". // This will be your link
let parameters: Parameters = ["User_type": type, "User_name": name, "User_email": email, "User_contact": contact, "User_password": password, "from_referral": referral] //This will be your parameter

Alamofire.request(url, method: .post, parameters: parameters).responseJSON { response in
print(response)
}