Swift_2_控制語句

標籤：swift

import Foundationprintln("Hello, World!")/*for  do While  While Switch*/var arr = [1,2,3,4,5,7];for i in arr{    println(" i is \(i)");}var count = arr.count;for (var i = 0 ; i<count; i++){    var index = arr[i];    println("index is \(index)");}var index = 0;do{    var j = arr[index];    println("j is \(j)");}while(++index < count);var x = 0;while(x<count){    println("arr num is \(arr[x]) index = \(x++)");};var type = "iOS"///沒有break預設不執行下面語句, 如果想要執行(穿透)就加上fallthroughswitch type{    case "iOS":        println("------")//        fallthrough;    case "22":        println("=======")    default:        println("三三三三三")}

Swift_2_控制語句