ios swift 3.0 的选择器语法
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Selector syntax for swift 3.0
提问by Ram Mani
I am trying to add target into button this way:
我正在尝试以这种方式将目标添加到按钮中：
btnAll.addTarget(self, action: #selector(buttonTapped(_:)), for: .touchUpInside)
But it is giving me an error:
但它给了我一个错误：
Use of unresolved identifier 'buttonTapped'
使用未解析的标识符“buttonTapped”
But I declared function like:
但我声明了这样的函数：
func buttonTapped(sender: UIButton) {
print("All Tapped")
}
Can anybody tell me what is the correct way to do this in swift 3.
谁能告诉我在swift 3中执行此操作的正确方法是什么？
回答by Anbu.Karthik
Add target like,
添加目标，例如，
should now be written as #selector(buttonTapped(sender:))or use #selector(buttonTapped(_:))
现在应该写成#selector(buttonTapped(sender:))或使用#selector(buttonTapped(_:))
btnAll.addTarget(self, action: #selector(buttonTapped(_:)), for: .touchUpInside)
then change your function like,
然后改变你的功能，比如
@objc func buttonTapped(_ sender : UIButton){
....
}
回答by Dharmesh Kheni
You can do it this way:
你可以这样做：
btnAll.addTarget(self, action: #selector(buttonTapped(sender:)), for: .touchUpInside)
