如何处理此功能？

如何解决如何处理此功能？

我想编写一个功能，让街头霸王交替攻击他们。每次攻击都令人心动。当其中一名战士的心数为0时，战斗结束了。但是我不知道如何一次又一次地执行此过程。这是我的代码现在的样子：

fs.rmdir

问题是该过程在第一轮之后停止。我尝试了for-in或Repeat-while循环，但没有成功。 有人可以帮我吗？

解决方法

首先，您可以尝试将某些功能移至StreetFighter本身：

public struct StreetFighter {
    let name: String
    let power: Int
    let defence: Int
    var hearts = 100 // you can provide a default value

    var isAlive: Bool {
        hearts > 0
    }

    func attack() {
        print("\(name) is going into the offence...")
    }

    mutating func defend(attackingPower: Int) {
        if power > defence {
            hurt(damage: attackingPower)
        } else {
            block()
        }
    }

    private func block() {
        print("\(name) is blocking the attack")
    }

    private mutating func hurt(damage: Int) {
        print("\(name) is hurt")
        hearts -= damage
    }
}

然后，通过Fight循环在while结构中添加一个函数（您也可以在其中限制回合数）：

struct Fight {
    let location: String
    var fighter1: StreetFighter
    var fighter2: StreetFighter

    mutating func start() {
        var roundNumber = 0
        while !isFinished && roundNumber < 12 {
            roundNumber += 1
            round()
            print("Round \(roundNumber): \(fighter1.name) - \(fighter1.hearts),\(fighter2.name) - \(fighter2.hearts)")
        }

        print("The fight is over!")
    }

    private mutating func round() {
        fighter1.attack()
        fighter2.defend(attackingPower: fighter1.power)
        fighter2.attack()
        fighter1.defend(attackingPower: fighter2.power)
    }

    private var isFinished: Bool {
        !fighter1.isAlive || !fighter2.isAlive
    }
}

现在您可以开始战斗：

let connorMcGregor = StreetFighter(name: "Connor McGregor",power: 8,defence: 7,hearts: 100)
let mikeTyson = StreetFighter(name: "Connor McGregor",power: 9,defence: 6,hearts: 100)
let alisterOverreem = StreetFighter(name: "Alister Overreem",power: 7,defence: 10,hearts: 100)
let khabib = StreetFighter(name: "Khabib",defence: 8) // you can use the default `hearts` count

var mma = Fight(location: "New York",fighter1: connorMcGregor,fighter2: khabib)
mma.start()

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根据您的目标，您可能需要提取Fight的某些部分。例如，start函数可以返回结果（谁赢得了），然后您可以对其进行操作。