Swift-HTTP+Dictionary+JSON+SwiftyJOSN

1.http

使用第三方 Alamofire 网络请求框架

2. 字典--Dictionary

// key-value 键值对
let dict = ["name":"张三", "age":"20", "gender":"男"]
dict["name"]// 键--key

// key-value 键值对
let dict:[String:Any] = ["name":"张三", "age":20, "gender":"男"]
dict["name"]// 键--key

3.JSON

使用JOSN Editor

4.SwiftyJOSN

第三方 SwiftyJOSN 

5.元组

let error = (404, "Not Found")
error.0
error.1

let (code, message) = error
print("this is code \(code)")

let (justCode, _) = error
print("this is code \(justCode)")

let succes200Code = (httpCode:200, httpMessage:"ok")
print("this is code \(succes200Code.httpCode)")