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Ios 按钮不工作(Swift)_Ios_Swift_Button - Fatal编程技术网

Ios 按钮不工作(Swift)

Ios 按钮不工作(Swift),ios,swift,button,Ios,Swift,Button,我正在开发一个应用程序,请查找以下我的代码: import UIKit class ViewController: UIViewController { @IBOutlet weak var NameTextLabel: UILabel! @IBOutlet weak var ExplainTextLabel: UILabel! @IBOutlet weak var PriceTextLabel: UILabel! @IBOutlet weak var FeaturesTextLabel:

我正在开发一个应用程序,请查找以下我的代码:

import UIKit

class ViewController: UIViewController {

@IBOutlet weak var NameTextLabel: UILabel!
@IBOutlet weak var ExplainTextLabel: UILabel!
@IBOutlet weak var PriceTextLabel: UILabel!
@IBOutlet weak var FeaturesTextLabel: UILabel!

let Features = ["Features Include: Siri acts as a musicologist, Advanced searches..., Works with Apple Music, etc", " Feautres Include: Up to 18 Cores, Thunderbolt 3, 5k Display, etc",
    "Feautres Include: AR technology, I messages wont take up storage, A redesinged appstore, etc", "New Faces, Siri Face, Better Pairing Process"]

let Explain = ["Apple Smart Speaker", "Most Powerfull Mac", "The New OS", "Watch OS4"]

let Price = ["At $349", "At $4999", "Free", "Free"]

let Name =  ["Homepod", "iMac Pro", "iOS 11", "Watch OS4"]

@IBAction func MoreDidTap(sender: AnyObject) {

    let randomNumber = Int(arc4random()) % 4

    let NewName = Name [randomNumber]
    let NewExplain = Explain [randomNumber]
    let NewPrice = Price [randomNumber]
    let NewFeatures = Features [randomNumber]

    NameTextLabel.text = NewName
    ExplainTextLabel.text = NewExplain
    PriceTextLabel.text = NewPrice
    FeaturesTextLabel.text = NewFeatures
}
}


当我在模拟器中运行应用程序时,我发现当单击按钮时,没有任何变化。如果有人知道,请帮助我。

您是否已将
iAction
连接到
触摸屏内
事件的
ui按钮

必须为要通知的事件设置按钮。我们可以定义一个目标和一个选择器来恢复该事件。目标表示处理事件的对象,选择器表示作用于事件的方法

您可以通过连接
UIButton
(在故事板/Xib中)和
iAction
(在课堂上)或者通过编程方式,使用UIButton API-
addTarget(quo:action:for:)
您的代码运行良好 检查此步骤 第1步:-在故事板中检查是否设置了按钮发送事件(如Touchupinside)? 第二步:-在MoreDidTap功能中输入打印,如果它工作,甚至不改变任何东西,
第3步:-检查您的所有标签引用出口是否正确地从故事板中给出?

您是否在
moredittap
中的代码中设置了断点?它被调用了吗?标签和按钮事件绑定正确还是不检查一次?