首页
学习
活动
专区
圈层
工具
发布
精选内容/技术社群/优惠产品,尽在小程序
立即前往

Swift3.0 - 类簇

  • 类簇

使用一个统一的接口制定单一的对象

示例代码:

代码语言:javascript
复制
class Drinking: NSObject{
    class func drink(name:String) -> Drinking?{
        var drink: Drinking?
        switch name {
        case "Coke" : drink = Coke(name: name)
        case "Beer" : drink = Beer(name: name)
        default :break;
        }
        return drink
    }
 }
class Coke:Drinking {
    var name:String
    init(name: String) {
        self.name = name
    }
}

class Beer:Drinking {
      var name:String
    init(name: String) {
        self.name = name
    }
}

let coke = Drinking.drink(name: "Coke") as! Coke
print(coke.name)

运行结果:

Coke

下一篇
举报
领券