18-TypeScript模板方法模式

在有些情况下,一个功能在基础功能上是不会变的,算法的基本骨架也是确定的,但是在某些场景下算法的具体实现有些差异。应对这种问题,可以采用模板方法模式:

abstract class Salary{
    abstract ComputeBaseSalary():void;
    abstract ComputeDecuteSalary():void;
    abstract ComputeBonusSalary():void;
    //定义了通用实现与算法骨架,具体实现在子类中有差别
    ComputeSalary():void{
        console.log("开始计算工资");
        this.ComputeBaseSalary();
        this.ComputeDecuteSalary();
        this.ComputeBonusSalary();
    }
}

class ITSalary extends Salary{
    ComputeBaseSalary():void{
        console.log("IT基本工资");
    }
    ComputeDecuteSalary():void{
        console.log("IT没有提成");
    }
    ComputeBonusSalary():void{
        console.log("IT奖金");
    }
}

class SalesSalary extends Salary{
    ComputeBaseSalary():void{
        console.log("Sales基本工资");
    }
    ComputeDecuteSalary():void{
        console.log("Sales提成");
    }
    ComputeBonusSalary():void{
        console.log("Sales没有奖金");
    }
}

var itsalary=new ITSalary();
itsalary.ComputeSalary();
var salessalary=new SalesSalary();

salessalary.ComputeSalary();

欢迎加入QQ群讨论:573336726

原文地址:https://www.cnblogs.com/malaoko/p/7605669.html