-
Notifications
You must be signed in to change notification settings - Fork 0
/
abstract.ts
47 lines (43 loc) · 1.42 KB
/
abstract.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/**
* 抽象工厂模式
*/
abstract class AmericanCoffee {}
abstract class LatteCoffee {}
abstract class CappuccinoCoffee {}
class StarBuckAmericanCoffee extends AmericanCoffee {}
class LuckinAmericanCoffee extends AmericanCoffee {}
class StarBuckLatteCoffee extends LatteCoffee {}
class LuckinLatteCoffeee extends LatteCoffee {}
class StarBuckCappuccinoCoffee extends CappuccinoCoffee {}
class LuckinCappuccinoCoffee extends CappuccinoCoffee {}
// 抽象工厂,抽象工厂里面需要三个方法
abstract class CafeFactory {
abstract createAmericanCoffee(): AmericanCoffee;
abstract createLatteCoffee(): LatteCoffee;
abstract createCappuccinoCoffee(): CappuccinoCoffee;
}
class StarBuckCafeFactory extends CafeFactory {
createAmericanCoffee(): AmericanCoffee {
return new StarBuckAmericanCoffee();
}
createLatteCoffee(): LatteCoffee {
throw new StarBuckLatteCoffee();
}
createCappuccinoCoffee(): CappuccinoCoffee {
throw new StarBuckCappuccinoCoffee();
}
}
class LuckinCafeFactory extends CafeFactory {
createAmericanCoffee(): AmericanCoffee {
return new LuckinAmericanCoffee();
}
createLatteCoffee(): LatteCoffee {
return new LuckinLatteCoffeee();
}
createCappuccinoCoffee(): CappuccinoCoffee {
return new LuckinCappuccinoCoffee();
}
}
let luckinCafeFactory = new LuckinCafeFactory();
console.log(luckinCafeFactory.createAmericanCoffee()); // 创建瑞幸的美式咖啡
export {};