extension UIButton{ func overrideSelf(){ self.setTitle("验证码", for: .normal) self.titleLabel?.font = UIFont.systemFont(ofSize: 13) self.addTarget(self, action: #selector(tf), for: .touchUpInside) self.setTitleColor(UIColor.orange, for: .normal) self.layer.cornerRadius = 15 self.layer.borderWidth = 1 self.layer.borderColor = color_navView.cgColor self.layer.masksToBounds = true } func tf(){ Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(timerAction(timer:)), userInfo: nil, repeats: true).fire() } func timerAction(timer:Timer){ tag -= 1 if tag < 0 { self.isUserInteractionEnabled = true self.layer.borderColor = color_navView.cgColor self.setTitle("重新获取", for: .normal) self.setTitleColor(UIColor.orange, for: .normal) timer.invalidate() tag = 30 }else{ self.isUserInteractionEnabled = false self.layer.borderColor = UIColor.gray.cgColor self.setTitle("剩余(tag)s", for: .normal) self.setTitleColor(UIColor.gray, for: .normal) } } func getVerificationCode(){ //let st = STools() // st.getVercodeAction(cityCode: appDelegate.cityCode, mobile: appDelegate.vphone, verificationCodeType: appDelegate.verificationStr) // st.verificationInfo { (info:String) in // if info != "验证码已发送"{//失败了 // self.tag = 0 // } // appDelegate.window.rootViewController?.showHint(info) // } } } //MARK:调用 codeBtn.overrideSelf() codeBtn.tag = 30 codeBtn.addTarget(self, action: #selector(getVercodeAction(_:)), for: .touchUpInside) func getVercodeAction(_ sender: Any) { codeBtn.getVerificationCode() }