static void Main(string[] args)
{
while (true)
{
//获取需要运算的数字
Console.WriteLine("请输入第一个数字");
double numberA = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("请输入运算符");
string operate = Console.ReadLine();
Console.WriteLine("请输入第二个数字");
double numberB = Convert.ToDouble(Console.ReadLine());
//判断被除数是否为0
while (operate == "/" && numberB == 0)
{
Console.WriteLine("被除数不能为0，请重新输入");
numberB = Convert.ToDouble(Console.ReadLine());
}
//获取对应的工厂
Operation operation = OperationFactory.CreateOperation(operate);
operation.Number1 = numberA;
operation.Number2 = numberB;
double result = operation.GetResult();
Console.WriteLine("计算结果是:" + result);
Console.ReadKey();
}
}
static void Main(string[] args)
{
Operation oper = OperationFactory.CreateOperation("/");
oper.NumberA = 10;
oper.NumberB = 2;
double result = oper.GetResult();
}
static void Main(string[] args)
{
Operation oper;
oper = OperationFactory.CreateOperation(Console.ReadLine());
oper.NumberA = Convert.ToDouble(Console.ReadLine());
oper.NumberB = Convert.ToDouble(Console.ReadLine());
Console.Write(oper.GetResult());
Console.ReadLine();
}