swift-延时加载函数

2024-08-31 02:44:50

//延时加载函数

  func delayLoad(){

        let time: NSTimeInterval = 2.0

        let delay = dispatch_time(DISPATCH_TIME_NOW,

            Int64(time * Double(NSEC_PER_SEC)))

        dispatch_after(delay, dispatch_get_main_queue()) {

            print("2 秒后输出")

        }

    }

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