Alamofire.request("https://httpbin.org/get", method: .get, parameters: nil, encoding: URLEncoding.default, headers: nil).responseJSON { (response) in
  if(response.error == nil){
  LLog("请求成功")
  LLog(response.result.value)
  }else{
  LLog("请求失败\(String(describing: response.error))")
  }

 }

var header:HTTPHeaders = [:]
 if let authorizationHeader = Request.authorizationHeader(user: "xxxx", password: "xxxxxx") {
  header[authorizationHeader.key] = authorizationHeader.value
 }
 // 此处的 URLEncoding.default （URLEncoding.queryString ）会将parameters 拼接到url后面
 Alamofire.request("https://httpbin.org/get", method: HTTPMethod.get, parameters: ["key":"value"], encoding: URLEncoding.default, headers: header).responseJSON { (response) in
  if(response.error == nil){
  LLog("请求成功")
  LLog(response.result.value)
  }else{
  LLog("请求失败\(String(describing: response.error))")
  }

 }

Alamofire.request("https://httpbin.org/post", method: .post, parameters: ["key1":"value1","key2":"value2"], encoding: URLEncoding.default, headers: nil).responseJSON { (response) in

   if(response.error == nil){
    LLog("请求成功")
    LLog(response.result.value)
   }else{
    LLog("请求失败\(String(describing: response.error))")
   }

  }

// JSONEncoding.default === JSONEncoding.prettyPrinted
 Alamofire.request("https://httpbin.org/post", method: .post, parameters: ["key1":"value1","key2":"value2"], encoding: JSONEncoding.default, headers: nil).responseJSON { (response) in

   if(response.error == nil){
    LLog("请求成功")
    LLog(response.result.value)
   }else{
    LLog("请求失败\(String(describing: response.error))")
   }

  }

 let data:Data = UIImageJPEGRepresentation(#imageLiteral(resourceName: "beauty.jpeg"), 0.2)!
  let url = Bundle.main.url(forResource: "beauty", withExtension: "jpeg");
  // 多文件上传
  Alamofire.upload(multipartFormData: { (formdata) in

   formdata.append(data, withName: "file", fileName: "beauty.jpeg", mimeType: "image/jpeg") 
   formdata.append(url!, withName: "file2")

  }, to: UPLOAD_URL) { (encodingResult) in

   switch encodingResult{
   case .success(let uploadFile, _, _):
    //上传进度回调
    uploadFile.uploadProgress(closure: { (progress) in
     debugPrint("上传进度\(progress)")
    })
    //上传结果回调
    uploadFile.responseString(completionHandler: { (response) in
     LLog(response.result.value)
    })

    break
   case .failure( let error):
    LLog(error);
    break
   }

  }

var param: [String:String] = [:];
  param["postion"] = "portrait"
  let url = Bundle.main.url(forResource: "beauty", withExtension: "jpeg");
  // 2、多文件上传
  Alamofire.upload(multipartFormData: { (formdata) in
   formdata.append(url!, withName: "file2")

   //拼接参数
   for (key, value) in param {
    formdata.append(value.data(using: String.Encoding.utf8)!, withName: key)
   }

  }, to: UPLOAD_URL) { (encodingResult) in

   switch encodingResult{
   case .success(let uploadFile, _, _):
    //上传进度回调
    uploadFile.uploadProgress(closure: { (progress) in
     debugPrint("上传进度\(progress)")
    })
    //上传结果回调
    uploadFile.responseJSON(completionHandler: { (response) in
     LLog(response.result.value)
    })

    break
   case .failure( let error):
    LLog(error);
    break
   }



  }