iOS 两级联动滚轮选择器 (Objective-C)

用Storyboard和代码实现两级联动滚轮选择器,并实现将确认选中的结果显示到文本框里.

//Using storyboard and codes to realize the function of making the content of the second component depending on the content of the first component,and there is a "confirm" button , once you click it, the contents you selected will be displayed inside of the textfield. 


iOS 两级联动滚轮选择器 (Objective-C)_第1张图片

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