如何快速检测到哪个图像 [英] How to detect which image has been tapped in swift

问题描述

我已经在ViewController上创建了6个UIImageViews，稍后我将向它们添加TapGestureRecognizers.

I have created 6 UIImageViews on a ViewController, and I am later going to add TapGestureRecognizers to all of them.

我要创建它，以便根据单击的图像，另一个ViewController将打开并显示某些信息.

I want to make it so that depending on what image has been clicked, another ViewController will open and display certain information.

为此，我需要知道单击了哪个图像.我将如何在Swift中做到这一点?

For this to happen, I need to know which image has been clicked. How would I do this in Swift?

推荐答案

UIGestureRecognizer具有属性"view"，此属性是您将其添加到的视图.对于此示例，imageView.

UIGestureRecognizer has property 'view' this property is the view you add it to. For this example the imageView.

func tap(gesture: UIGestureRecognizer) {
    println(gesture.view!.tag) // You can check for their tag and do different things based on tag
}

let img = UIImageView()
img.userInteraction = true
img.tag = 0
img.addGestureRecognizer(UITapGestureRecognizer(self, action: "tap:"))

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