我按照本教程进行了学习，这非常有帮助，您可以在代码中设置一些变量，例如最大数量以及每次滑块增加多少.链接: http://www.xprogress.com/post-35-uislider-tutorial-example-how-to-use-slider-in-iphone-sdk-xcode/

I followed this tutorial for mine and it was very helpful there are variables you can set in the code such as max number and how much the slider increases each time. Link: http://www.xprogress.com/post-35-uislider-tutorial-example-how-to-use-slider-in-iphone-sdk-xcode/