摘要:
1 //: Playground - noun: a place where people can play 2 3 import UIKit 4 5 6 //1.if语句实现条件选择 7 //(1)单分支 8 var age = 9 9 10 if age = 90 { 33 grade = "A" 34 } else if score... 阅读全文
posted @ 2016-06-04 10:24
爱你久久iOS
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