Swift AFNetworking 使用实例

import UIKit
//请求方法
/// - GET:  get
/// - POST: post
enum RequsetMethod:String {
case GET = "GET"
case POST =  "POST"
}

class httpTool: AFHTTPSessionManager {

//单例
static let sharedTools:httpTool = {
let instance = httpTool()
instance.responseSerializer.acceptableContentTypes?.insert("text/html")
instance.responseSerializer.acceptableContentTypes?.insert("text/plain")
return instance
}()
// 定义请求完成的回调的别名
typealias httptoolBack = (response:AnyObject?,error:NSError?)->()

/// 请求数据
///
/// - parameter urlString:  请求地址
/// - parameter parameters: 请求参数
/// - parameter finished:   请求成功或者失败的回调

func request(method: RequsetMethod = .GET, urlString: String, parameters: AnyObject?, finished:httptoolBack){

// dataTaskWithHttp 是写在 .m 文件里面的
// 对应在 Swift 中的，就是 private 修饰的方法

// 定义请求成功的闭包
let success = { (dataTask: NSURLSessionDataTask, responseObject: AnyObject?) -> Void in
finished(response: responseObject, error: nil)
}

// 定义请求失败的闭包
let failure = { (dataTask: NSURLSessionDataTask?, error: NSError) -> Void in
finished(response: nil, error: error)
}

if method == .GET {

GET(urlString, parameters: parameters, progress: nil, success: success, failure: failure)
}else{
POST(urlString, parameters: parameters, progress: nil, success: success, failure: failure)
}
}

/// 发送请求(上传文件)

func requestWithData(data: NSData, name: String, urlString: String, parameters: AnyObject?, finished:httptoolBack) {
// 定义请求成功的闭包
let success = { (dataTask: NSURLSessionDataTask, responseObject: AnyObject?) -> Void in
finished(response: responseObject, error: nil)
}

// 定义请求失败的闭包
let failure = { (dataTask: NSURLSessionDataTask?, error: NSError) -> Void in
finished(response: nil, error: error)
}

POST(urlString, parameters: parameters, constructingBodyWithBlock: { (formData) -> Void in
formData.appendPartWithFileData(data, name: name, fileName: "aa", mimeType: "application/octet-stream")
}, progress: nil, success: success, failure: failure)
}
}

//创建httpTool 实例
let TabHttpTool = httpTool.sharedTools
//创建请求参数
let params = ["username":"invest","password":"123456"]
//发送psot请求
TabHttpTool.request(RequsetMethod.POST, urlString: "http://api....../login", parameters: params) { (response, error) in
print(response)
}