“任何？”类型的值没有会员'标签'

I added a button on my custom tableViewCell and i want that after the button is tapped it pass data according to the cell on which the button is located, so to find out on which cell is the button i added a tag, but i'm getting this error

我在我的自定义tableViewCell上添加了一个按钮，我希望在按下按钮后根据按钮所在的单元格传递数据，以便找出哪个单元格是按钮我添加了标签，但我是得到这个错误

 override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "goToLast" && sender is IndexPath {


             let dvc = segue.destination as! FinalClass 
            dvc.index = (sender as! IndexPath).row
            dvc.places = sortedArray
            dvc.userLocation = currentLocation

            }
        if segue.identifier == "goToReview" {

            let index3 = IndexPath(row: sender.tag, section: 0)
            let rev = segue.destination as! ReviewClass


        }

}

How can i adjust it?

我该怎么调整呢？

(cell.reviewButton.tag = indexPath.row) this is the tag i added in my cellForRowAt

（cell.reviewButton.tag = indexPath.row）这是我在cellForRowAt中添加的标签

UPDATE

this is the button action in my VC

这是我VC中的按钮操作

  @IBAction func ReviewButtonTap(_ sender: UIButton) {

      performSegue(withIdentifier: "goToReview" , sender: self)
    }

and this is the outlet in my custom tableViewCell class

这是我的自定义tableViewCell类中的插座

 @IBOutlet weak var reviewButton: UIButton!

i do not understand how can i associate this button with

我不明白我怎么能把这个按钮关联起来

else if segue.identifier == "goToReview", let button = sender as? UIButton, let rev = segue.destination as? ReviewClass {
            let index3 = IndexPath(row: button.tag, section: 0)

5 个解决方案

#1

Force downcast the optional Any to expected UIButton and IndexPath and use an else clause instead of if twice

强制将可选的Any转发给预期的UIButton和IndexPath，并使用else子句而不是两次

 if segue.identifier == "goToLast" {
        let dvc = segue.destination as! FinalClass 
        let indexPath = sender as! IndexPath
        dvc.index = indexPath.row
        dvc.places = sortedArray
        dvc.userLocation = currentLocation
}
else if segue.identifier == "goToReview" {
        let button = sender as! UIButton
        let index3 = IndexPath(row: button.tag, section: 0)
        let rev = segue.destination as! ReviewClass
}

or use a switch

或使用开关

 switch segue.identifier {
     case "goToLast":
        let dvc = segue.destination as! FinalClass 
        let indexPath = sender as! IndexPath
        dvc.index = indexPath.row
        dvc.places = sortedArray
        dvc.userLocation = currentLocation

    case "goToReview":
        let button = sender as! UIButton
        let index3 = IndexPath(row: button.tag, section: 0)
        let rev = segue.destination as! ReviewClass

    default: break
}

The code must not crash. If it does you made a design mistake.

代码不得崩溃。如果它确实你犯了设计错误。

Edit

编辑

You have to pass the UIButton instance (the sender) from the IBAction to the sender parameter of performSegue. The outlet is irrelevant.

您必须将UIButton实例（发件人）从IBAction传递到performSegue的sender参数。出口是无关紧要的。

performSegue(withIdentifier: "goToReview" , sender: sender)

#2

It is common you will provide a sender as Any in your method in cases where it can be different object. In such case you will need to typecast it to a specific object which is best done as let button = sender as? UIButton in swift.

通常情况下，如果发送方可能是不同的对象，您将在方法中提供发送方为Any。在这种情况下，您需要将其类型转换为特定对象，最好将let button = sender作为？ UIButton迅速。

By doing so you will receive an optional value and its tag would be button?.tag and its type Int? which then again disallows you to create an index path.

通过这样做，您将收到一个可选值，其标签将是按钮？.tag及其类型Int？然后再次禁止您创建索引路径。

So a proper way for this method should be as follows:

所以这种方法的正确方法应该如下：

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier == "goToLast", let indexPath = sender as? IndexPath {
            let dvc = segue.destination as! FinalClass 
            dvc.index = indexPath.row
            dvc.places = sortedArray
            dvc.userLocation = currentLocation
    } else if segue.identifier == "goToReview", let button = sender as? UIButton {
            let index3 = IndexPath(row: button.tag, section: 0)
            let rev = segue.destination as! ReviewClass
    }
}

Note that I have changed both if statements and managed to even remove an extra force-unwrap (The ! thing). If you don't mind force-unwrapping which crashes your app when incorrect then you could as well just do:

请注意，我已经更改了两个if语句，甚至设法删除了额外的force-unwrap（The！thing）。如果您不介意在不正确的情况下强制解包会导致您的应用崩溃，那么您也可以这样做：

let index3 = IndexPath(row: (sender as! UIButton).tag, section: 0)

But I suggest you avoid all force-unwrapping to improve stability. For your case that would be:

但我建议你避免所有的力量展开以提高稳定性。对于你的情况，将是：

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier == "goToLast", let indexPath = sender as? IndexPath, let dvc = segue.destination as? FinalClass  {
            dvc.index = indexPath.row
            dvc.places = sortedArray
            dvc.userLocation = currentLocation
    } else if segue.identifier == "goToReview", let button = sender as? UIButton, let rev = segue.destination as? ReviewClass {
            let index3 = IndexPath(row: button.tag, section: 0)
    } else {
         print("ERROR: Incorrect configuration!") // Put a breakpoint here and analyze what was the identifier and what the sender so none of the statements were hit
    }
}

#3

Just you need to change your segue method with below method

只需要用下面的方法改变你的segue方法

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier == "goToLast" && sender is IndexPath {


         let dvc = segue.destination as! FinalClass 
        dvc.index = (sender as! IndexPath).row
        dvc.places = sortedArray
        dvc.userLocation = currentLocation

        }
    if segue.identifier == "goToReview" {

        let index3 = IndexPath(row: (sender as! UIButton).tag, section: 0)
        let rev = segue.destination as! ReviewClass


    }
}

#4

For manage this problem first you need to first assign tag of button in cell for row which is you already done.

要首先管理此问题，您需要首先在单元格中为行已分配的按钮标记。

cell.reviewButton.tag = indexPath.row

After that you can add target actions on your button in the cell for row

之后，您可以在行的单元格中的按钮上添加目标操作

cell.reviewButton.addTarget(self, action:#selector(self. 
func_Navigate(_:)), for:UIControlEvents.touchUpInside)

Out side cell for row make implement one function like that:-

用于行的外侧单元格实现如下功能： -

@IBAction func func_Navigate(_ sender: UIButton)
{

If sender.tag == 0

 {

    \\ here sender.tag = 0 means button belong from fist row of your table view. you can perform navigation like that :-
    self.performSegue(withIdentifier: "goToLast", sender: self)

}
else If sender.tag == 1

{
    \\ here sender.tag = 1 means button belong from second row of your table view. you can perform navigation like that :-
    self.performSegue(withIdentifier: "goToReview", sender: self)
}

#5

You can get UIButton object from sender then UIButton object have tag property to access.

您可以从发件人获取UIButton对象，然后UIButton对象具有要访问的标记属性。

let button = sender as? UIButton
let index3 = IndexPath(row: button?.tag ?? 0, section: 0)

#1