rxg9527
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| extension UIDevice { | |
| static func isX() -> Bool { | |
| if UIDevice().userInterfaceIdiom == .phone { | |
| switch UIScreen.main.nativeBounds.height { | |
| case 2436: | |
| return true | |
| default: | |
| return false | |
| // case 480: | |
| // print("iPhone Classic") |
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| func measure(f: ()->()) { | |
| let start = CACurrentMediaTime() | |
| f() | |
| let end = CACurrentMediaTime() | |
| print("测量时间：\(end - start)") | |
| } | |
| measure { | |
| doSomeHeavyWork() | |
| } |