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shuiRong/swift

Created December 3, 2017 09:11
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Timer
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swift
var timer = Timer()
timer = Timer.scheduledTimer(timeInterval: 0.1, target: self, selector: #selector(ViewController.updateTimer), userInfo: nil, repeats: true)
//更新timer
func updateTimer() {
counter = counter + 0.1
timeLabel.text = String(format: "%.1f", counter) + "--"
}
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