Swift3-基于AFNetworking下的Swift3网络请求封装

Swift3下基于AFNetworking的网络请求封装

//
//  DifferBaseNetwork.swift
//  AppGame
//
//  Created by zengchunjun on 2017/7/7.
//  Copyright © 2017年 zengchunjun. All rights reserved.
//

import UIKit

//枚举，swift3后 官方用小写、我们可以模仿苹果
public enum RequestType {
    case get
    case post
}

@objc class DifferBaseNetwork: AFHTTPSessionManager {

    //有多个baseURL可以通过继承在子类中进行设置单例
    static let shareInstance : DifferBaseNetwork = {
        
        let tools = DifferBaseNetwork()
        
//        let tools = DifferBaseNetwork(baseURL: <#T##URL?#>)
        
        return tools
    }()
    
}

extension DifferBaseNetwork{
    
    // 第一个 _ 代表第一个参数没有参数标签  @escaping代表逃逸闭包的意思
//    @escaping 逃逸闭包:闭包在函数执行完后才被调用，调用的地方超过了这个函数的范围，所有叫逃逸闭包
    //不带进度的请求
    public func request(_ methodType : RequestType , urlString : String , parameters : inout [String : Any],completed : @escaping (Any?,Error?)->() ) -> Void {
        
        /*
        if methodType == .get {
            
            get(urlString, parameters: parameters, progress: nil, success: { (task, responseObj) in
                completed(responseObj,nil)
            }, failure: { (task, error) in
                completed(nil,error)
            })
            
        }else if methodType == .post{
            
            post(urlString, parameters: parameters, progress: nil, success: { (task, respostObj) in
                completed(respostObj,nil)
            }, failure: { (task, error) in
                completed(nil,error)
            })
        }
        
        */
        
        //对于具体中的项目请求，有时我们需要传递额外的信息，例如：将版本号、设备信息、设备唯一标识等信息 放进 字典的 extra 键中，因此，我们就需要 传递进来的参数 ，所有需要 标识为 输入输入 参数 inout.对于没有该要求的可去掉 inout 关键词
        parameters["extra"] = DiffUtil.differRequestExtra()
        
        //成功闭包
        let successBlock = {(task : URLSessionDataTask , responseObj : Any?) in
            completed(responseObj,nil)
        }
        
        //失败闭包
        let failureBlock = { (task : URLSessionDataTask? , error : Error?) in
            completed(nil,error)
        }
        
        if methodType == .get {
            
            get(urlString, parameters: parameters, progress: nil, success: successBlock, failure: failureBlock)
            
        }else if methodType == .post{
         
            post(urlString, parameters: parameters, progress: nil, success: successBlock, failure: failureBlock)
            
        }
        
    }
    
    
    //带进度
    public func requestWithProgress(_ methodType : RequestType, urlString : String,parameters : inout [String : Any] , progress : @escaping (_ progess : Progress)->() , completed : @escaping (_ responseObj : Any?,_ error : Error?)->()) -> Void {
        
        parameters["extra"] = DiffUtil.differRequestExtra()
        
        //成功闭包
        let successBlock = {(task : URLSessionDataTask , responseObj : Any?) in
            completed(responseObj,nil)
        }
        
        //失败闭包
        let failureBlock = { (task : URLSessionDataTask? , error : Error?) in
            completed(nil,error)
        }

        //进度闭包
        let progress = { (prog : Progress) in
            progress(prog)
        }
        
        
        if methodType == .get {
            
            get(urlString, parameters: parameters, progress: progress, success: successBlock, failure: failureBlock)
            
        }else if methodType == .post{
            
            post(urlString, parameters: parameters, progress: progress, success: successBlock, failure: failureBlock)
            
        }
        
    }
    
}