Swift3.0封装 AFN 的 GET&POST网络请求

//
//  PSNetWorkManage.swift
//  WeiBoSwift
//
//  Created by 思 彭 on 16/9/25.
//  Copyright © 2016年 思 彭. All rights reserved.
//

import UIKit
import AFNetworking

// Swift的枚举支持任意数据类型,不需要,分隔
enum PSHTTPMethod{
    case GET
    case POST
}

/// 网络管理工具
class PSNetWorkManage: AFHTTPSessionManager {

    // 单例
    static let shared = PSNetWorkManage()
    

    // MARK:- get请求
    func getWithPath(path: String,paras: Dictionary<String,Any>?,success: @escaping ((_ result: Any) -> ()),failure: @escaping ((_ error: Error) -> ())) {
        
        var i = 0
        var address = path
        if let paras = paras {
            
            for (key,value) in paras {
                
                if i == 0 {
                    
                    address += "?\(key)=\(value)"
                }else {
                    
                    address += "&\(key)=\(value)"
                }
                
                i += 1
            }
        }
        
        let url = URL(string: address.addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed)!)
        
        let session = URLSession.shared
        
        let dataTask = session.dataTask(with: url!) { (data, respond, error) in
            
            if let data = data {
                
                if let result = try? JSONSerialization.jsonObject(with: data, options: .allowFragments){
                    
                    success(result)
                }
            }else {
                
                failure(error!)
            }
        }
        dataTask.resume()
    }
    
    
    // MARK:- post请求
    func postWithPath(path: String,paras: Dictionary<String,Any>?,success: @escaping ((_ result: Any) -> ()),failure: @escaping ((_ error: Error) -> ())) {
        
        var i = 0
        var address: String = ""
        
        if let paras = paras {
            
            for (key,value) in paras {
                
                if i == 0 {
                    
                    address += "\(key)=\(value)"
                }else {
                    
                    address += "&\(key)=\(value)"
                }
                
                i += 1
            }
        }
        let url = URL(string: path)
        var request = URLRequest.init(url: url!)
        request.httpMethod = "POST"
        print(address)
        request.httpBody = address.data(using: .utf8)
        let session = URLSession.shared
        let dataTask = session.dataTask(with: request) { (data, respond, error) in
            
            if let data = data {
                
                if let result = try? JSONSerialization.jsonObject(with: data, options: .allowFragments) {
                    
                    success(result)
                }
                
            }else {
                failure(error!)
            }
        }
        dataTask.resume()   
    }
}