static void Main(string[] args)
{
Console.WriteLine("数字1");
var num1 = Console.ReadLine();
Console.WriteLine("数字2");
var num2 = Console.ReadLine();
Console.WriteLine("符号");
var fuhao = Console.ReadLine();
Test0 t = SimpleFactory.Get(fuhao);
t.Num1 = num1;
t.Num2 = num2;
Console.WriteLine(t.GetResult());
Console.ReadKey();
}
