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import UIKit @UIApplicationMainclass AppDelegate: UIResponder, UIApplica...
importFoundation c语言的switch switch（变量）case value1：｛代码块（如果代码快只有一句大括号可以不写）...
// // main.swift // swift01 // // Created by DioneFlora on 16/10/20. ...
// //main.m //Block // //Created by DioneFlora on 16/10/20. //Copyright ...