ios - 如何重复函数 Swift 的一部分

Question

仍在学习基础知识。我有一个函数，其中有一个 block ，需要重复而不再次调用整个函数。这在 Swift 中是如何完成的？

func connected(to peripheral: Peripheral) {
    let cwConnection = CWStatusBarNotification()
    cwConnection.display(withMessage: "Ring Connected", forDuration: 3)

    BluejayManager.shared.getHeliosInfo { (success) in
        if success {
            // Go on
        } else {
            // Repeat this block (BluejayManager.shared.getHeliosInfo)
        }
    }
}

Answer 1

嘿 Riyan 这很简单。这是您的问题的解决方案。只需将 block 放在其他小方法中，当您只需要调用该 block 时调用该小函数即可。

func connected(to peripheral: Peripheral) {
    let cwConnection = CWStatusBarNotification()
    cwConnection.display(withMessage: "Ring Connected", forDuration: 3)

    self.callBluejayManagerShared() // Call of block from method
}

func callBluejayManagerShared(){
    BluejayManager.shared.getHeliosInfo { (success) in
        if success {
            // Go on
        } else {
            // Repeat this block (BluejayManager.shared.getHeliosInfo)
            self.callBluejayManagerShared()
        }
    }
}

现在，当您只想调用 block 时，只需调用 self.callBluejayManagerShared() 方法即可。希望对你有帮助