Swift 02 抽象工厂模式 Abstract Factory Pattern

来源：互联网发布：spss如何分析数据编辑：程序博客网时间：2024/06/04 18:09
/*厂商现在有阿司匹林和扑热息痛生产线。现在厂商想生产1mg*10s装、1mg*20s装的阿司匹林和扑热息痛。*/// 抽象產品protocol MedicineProduct {    func getProduct(p_stName: String, p_stFormula: String) -> String}// 產品 1mg*10s装class OneMgTenProduct : MedicineProduct {    func getProduct(p_stName: String, p_stFormula: String) -> String {          return "\(p_stName) 1mg*10s, Formula: \(p_stFormula)"    }}// 產品 1mg*20s装class OneMgTwentyProduct : MedicineProduct {    func getProduct(p_stName: String, p_stFormula: String) -> String {          return "\(p_stName) 1mg*20s, Formula: \(p_stFormula)"    }}// 抽象工廠protocol AbstractMedicineFactory {    func createProduct() -> MedicineProduct}// 工廠 1mg*10s装class OneMgTenFactory : AbstractMedicineFactory {    static let sharedInstance: OneMgTenFactory = OneMgTenFactory()    func createProduct() -> MedicineProduct {        return OneMgTenProduct()    }}// 工廠 1mg*20s装class OneMgTwentyFactory : AbstractMedicineFactory {    static let sharedInstance: OneMgTwentyFactory = OneMgTwentyFactory()    func createProduct() -> MedicineProduct {        return OneMgTwentyProduct()    }}let tenMgProduct: MedicineProduct = OneMgTenFactory.sharedInstance.createProduct()let twentyMgProduct: MedicineProduct = OneMgTwentyFactory.sharedInstance.createProduct()// 生產 1mg*10s装 藥物print(tenMgProduct.getProduct(p_stName: "Aspirin", p_stFormula: "C9H8O4"))print(tenMgProduct.getProduct(p_stName: "Paracetamol", p_stFormula: "C8H9NO2"))// 生產 1mg*20s装 藥物print(twentyMgProduct.getProduct(p_stName: "Aspirin", p_stFormula: "C9H8O4"))print(twentyMgProduct.getProduct(p_stName: "Paracetamol", p_stFormula: "C8H9NO2"))// 假如想增加1mg*30s装 生產線、只需增加工廠和產品
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