第一種方式

1. 給UIButton 添加擴(kuò)展
UIButton+tapTime

import UIKit
import Foundation

extension UIButton {
    
    private static var ForbidIntervalKey = "ForbidIntervalKey"
    private static var LastClickTimeKey = "LastClickTimeKey"
    
    /// 按鈕不能被重復(fù)點(diǎn)擊的時(shí)間間隔（默認(rèn)兩秒）
    var forbidInterval: TimeInterval {
        get {
            if let interval = objc_getAssociatedObject(self, &UIButton.ForbidIntervalKey) as? TimeInterval {
                return interval
            }
            return 2
        }
        set {
            objc_setAssociatedObject(self, &UIButton.ForbidIntervalKey, newValue as TimeInterval, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
        }
    }
    
    /// 存儲(chǔ)上次點(diǎn)擊的時(shí)間(默認(rèn)是1970年的時(shí)間)
    private var lastClickDate: Date {
        get {
            if let lastDate = objc_getAssociatedObject(self, &UIButton.LastClickTimeKey) as? Date {
                return lastDate
            }
            return Date.init(timeIntervalSince1970: 0)
        }
        set {
            objc_setAssociatedObject(self, &UIButton.LastClickTimeKey, newValue as Date, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
        }
    }

    func startForbidContinuousClick() {
        
        if let originalMethod: Method = class_getInstanceMethod(self.classForCoder, #selector(UIButton.sendAction)),
            
            let newMethod: Method = class_getInstanceMethod(self.classForCoder, #selector(UIButton.jf_sendAction(action:to:forEvent:))) {
            
            method_exchangeImplementations(originalMethod, newMethod)
            
        }
    }
    
    @objc dynamic func jf_sendAction(action: Selector, to target: AnyObject?, forEvent event: UIEvent?) {
        if Date().timeIntervalSince(lastClickDate) > forbidInterval {
            self.jf_sendAction(action: action, to: target, forEvent: event)
            lastClickDate = Date()
        }
    }
}

2.使用

pushButton.startForbidContinuousClick()
pushButton.forbidInterval = 1.5

@IBAction func pushVC(_ sender: Any) {
        print("被點(diǎn)擊了....")
}

??這種方式代碼量大, 每次需要調(diào)用方法轉(zhuǎn)換和配置時(shí)間

第二種方式

 @IBAction func pushClick(_ sender: Any) {
        let button = sender as! UIButton
        button.isEnabled = false
        DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
            button.isEnabled = true
        }
        /*要做的事*/
        print("被點(diǎn)擊了...")
    }

?? 按鈕會(huì)出現(xiàn)button的非可用狀態(tài)樣式

第三種方式 (RxSwift)

pushButton.rx.tap.asObservable()
        .throttle(2, scheduler: MainScheduler.instance)
        .bind {
            print("被點(diǎn)擊了...")
        }
        .disposed(by: bag)

?? 這種方式最簡(jiǎn)單, 但是需要RxSwift框架