在 Swift 下的网络请求层简单的抽象思路分享... - V2EX
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racechao
V2EX    iDev

在 Swift 下的网络请求层简单的抽象思路分享...

  •  
  •   racechao
    alfredcc Sep 21, 2016 4078 views
    This topic created in 3536 days ago, the information mentioned may be changed or developed.

    https://github.com/alfredcc/Archi

    Before:

    Alamofire.request(.GET, "https://httpbin.org/get", parameters: ["foo": "bar"]) .responseJSON { response in // 1. Validate if response.result.isSuccess { // 2. Parse JSON data let object = JSONParseor(response.result.value) print(object) } else { // handle failure data } } 

    Alfter:

    APIClient.events(arg1, arg2: arg2) { (result) in switch result { case let .Success(value): print(value) case let .Failure(status, description): print("status: \(status); description: \(description)") } } 

    代码说明:

    一、通过 enum 将 request 拆分了成了四个模块 1. Endpoint 2. Path 3. Method 4. Parameters

    二、通过 _request() 方法再次将 1. Endpoint 2. Path 3. Method 4. parameters 重组成一个 request

    三、通过 Result 区分 Success 和 Failure 是回调方法中减少 if ... else 的嵌套,逻辑更加清晰

    四、利用 Generic 和 Protocol 在 _request() 方法中统一解析 JSON data (只要对象遵循 JSONAbleType )

    这样做的好处:

    有利与 RESTFul API 的业务逻辑编写 所有接口通是过了一道 _request(),可以在这里做一些通用的逻辑处理 最终的请求回调中以然不需要去处理 JSON data 的解析,返回的是一个直接可用的 model 对象

    7 replies    2016-09-23 07:53:51 +08:00
    kouryu
        1
    kouryu  
       Sep 21, 2016 via iPhone
    这不是 Moya 干的事情么,
    jinzhe
        2
    jinzhe  
       Sep 21, 2016
    swift 闭包真心不喜欢,感觉乱
    plqws
        3
    plqws  
       Sep 21, 2016
    还是用 promise 好
    myrual
        4
    myrual  
       Sep 21, 2016
    感觉过度设计。
    在第三方库的基础上做一个库对自己是一个很好的提高。
    racechao
        5
    racechao  
    OP
       Sep 21, 2016
    @kouryu 对呀,就是参考的 Moya 来做的,但是平时开发的时候 Moya 里面很多功能没用到,所以就自己封装了一个轻量级的。

    @jinzhe @plqws 恩, promise 可以去掉 switch case 这样会好很多,有时间去优化下代码。
    itoolset
        6
    itoolset  
       Sep 21, 2016
    我觉得还不如猫大的 Demo 好。。
    https://github.com/MDCC2016/ProtocolNetwork
    racechao
        7
    racechao  
    OP
       Sep 23, 2016
    @itoolset 恩,瞄大更加 Simple 。谢谢
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