//简单工厂设计模式
private static Calculator GetComputerObject(string caozuofu, double d1, double d2)
{
Calculator result = null;
switch (caozuofu)
{
case "+": result = new JiaFaClass(d1, d2);
break;
case "-": result = new JianFaClass(d1, d2);
break;
case "*": result = new ChengFa(d1, d2);
break;
default:
break;
}
return(result);
}
//简单工厂设计模式
private static Calculator GetComputedObject(string yunSuanFu, double n1, double n2)
{
Calculator result = null;
switch (yunSuanFu)
{
case "+":
result = new JiaFaClass(n1, n2);
break;
case "-":
result = new JianFaClass(n1, n2);
break;
case "*":
result = new ChengFaClass(n1, n2);
break;
case "/":
result = new ChuFaClass(n1, n2);
break;
}
return(result);
}