aardio 簡單工廠模式

//calculate 簡單工廠模式

//簡單工廠模式
import console;

//運算類
class operation{
    ctor(){};
    numberA = 0;
    numberB = 0;
    getResult = function(){
        var result = 0;
        return result;  
    }
}

//加法類
class operationAdd{
    ctor(){
        this = ..operation();
    };
    getResult = function(){
        var result = 0;
        result = this.numberA + this.numberB;
        return result;  
    }
    
}

//減法類
class operationSub{
    ctor(){
        this = ..operation();
    };
    getResult = function(){
        var result = 0;
        result = this.numberA - this.numberB;
        return result;  
    }
}

//乘法類
class operationMul{
    ctor(){
        this = ..operation();
    };
    getResult = function(){
        var result = 0;
        result = this.numberA * this.numberB;
        return result;  
    }
}

//除法類
class operationDiv{
    ctor(){
        this = ..operation();
    };
    getResult = function(){
        var result = 0;
        result = this.numberA / this.numberB;
        return result;  
    }
}

//簡單運算工廠類
class operationFactory{
    ctor(operate){
        var oper = null;
        select(operate) {
            case "+" {
                oper = ..operationAdd();
            }
            case "-"{
                oper = ..operationSub();
            }
            case "*" {
                oper = ..operationMul();
            }
            case "/"{
                oper = ..operationDiv();
            }
        }
        return oper; 
    };
}

var oper = operationFactory("*")

oper.numberA = 8;

oper.numberB = 2;

var result = oper.getResult()

console.log(result)

console.pause(true);