AlamoFireDemo

//
//  ViewController.swift
//  AlamFireDemo
//
//

import UIKit
import Alamofire

class ViewController: UIViewController {
lazy var defManager : Manager = {
//1、get addtional http header
var defHeaders = Alamofire.Manager.sharedInstance.session.configuration.HTTPAdditionalHeaders ?? [:]
//2、set a NSURLSessionConfiguration
let conf = NSURLSessionConfiguration.defaultSessionConfiguration()
conf.HTTPAdditionalHeaders = defHeaders

//3、geneter a manager
let manager = Alamofire.Manager(configuration: conf)
return manager

}()
// 后台下载
lazy var backgroundManager :Manager = {

var defHeaders = Alamofire.Manager.sharedInstance.session.configuration.HTTPAdditionalHeaders ?? [:]

let conf = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier("com.example.app.backgroud")
let manager = Alamofire.Manager(configuration: conf)
return manager
}()

lazy var ephemeralManager :Manager = {

var defHeaders = Alamofire.Manager.sharedInstance.session.configuration.HTTPAdditionalHeaders ?? [:]

let conf = NSURLSessionConfiguration.ephemeralSessionConfiguration()
let manager = Alamofire.Manager(configuration: conf)
return manager
}()
override func viewDidLoad() {
super.viewDidLoad()
Alamofire.request(.GET, "https://httpbin.org/get").response { (request, response, data, error) -> Void in
print(request)
print(response)
print(data)
print(data.dynamicType)
print(error)
print(error.dynamicType)
}.responseString { (response) -> Void in
print("String ==========")
switch response.result {
case .Success(let str):
print("\(str.dynamicType)")
print("\(str)")
case .Failure(let error):
print("\(error)")

}
}.responseJSON { (response) -> Void in
print("JSON ==========")

switch response.result {

case .Success(let json):
let dic = json as! Dictionary<String,AnyObject>

let origin = dic["origin"] as! String
let headers = dic["headers"] as! Dictionary<String,String>
print("origin :\(origin)")
print("user-agent :\(headers["User-Agent"])")
case .Failure(let error):
print(error)
}
}
}

override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}

}