Swift4 JSON解析

//
//  Json.swift
//  SwiftJSON
//
//  Created by Crazy凡 on 2017/6/18.
//  Copyright ? 2017年 FaciShare. All rights reserved.
//

import Foundation
typealias JSONCodable = Decodable & Encodable
protocol JSONParser : JSONCodable {
    func toJSONData() -> Data?
    static func modelWithJSONData(data:Data) -> Any?
    func toJSONString() -> String?
    static func modelWithJSONString(string:String) -> Any?
}

extension JSONParser{
    func toJSONData() -> Data? {
        return try? JSONEncoder().encode(self)
    }
    
    static func modelWithJSONData(data:Data) -> Any?{
        return try? JSONDecoder().decode(Self.self, from: data)
    }
    
    func toJSONString() -> String?{
        return String.init(data: self.toJSONData()!, encoding: String.Encoding.utf8)
    }
    
    static func modelWithJSONString(string:String) -> Any?{
        return self.modelWithJSONData(data: string.data(using: String.Encoding.utf8)!)
    }
}