594747343
V2EX  ›  Swift

Swift 变量问题

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  •   594747343 · Jun 28, 2017 · 3877 views
    This topic created in 3269 days ago, the information mentioned may be changed or developed.

    请问一下, @IBAction func sliderMoved(_ slider: UISlider)

    这个地方具体指的是什么意思哦?_ slider,尤其是_

    1 replies    2017-07-01 10:09:42 +08:00
    594747343
        1
    594747343  
    OP
       Jul 1, 2017
    我傻了,我知道是什么意思啦。_是指不使用参数标签的意思
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