static void Main(string[] args)
{
try
{
Console.Write("请输入数字A：");
string strNumberA = Console.ReadLine();
Console.Write("请选择运算符号(+、-、*、/)：");
string strOperate = Console.ReadLine();
Operation oper;
oper = OperationFactory.createOperate(strOperate);
Console.Write("请输入数字B：");
string strNumberB = Console.ReadLine();
string strResult = "";
oper.NumberA = Convert.ToDouble(strNumberA);
oper.NumberB = Convert.ToDouble(strNumberB);
strResult = oper.GetResult().ToString();
Console.WriteLine("结果是：" + strResult);
//Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine("您的输入有错：" + ex.Message);
}
}
static void Main(string[] args)
{
List <string> listopersign = new List <string>();
listopersign.Add("+");
listopersign.Add("-");
listopersign.Add("*");
listopersign.Add("/");
OperationFactory fac = new OperationFactory();
foreach (var item in listopersign)
{
Operation oper = fac.createOperate(item);
oper.NumberA = 88.8f;
oper.NumberB = 11.1f;
double result = oper.GetResult();
Console.WriteLine("{0:#.###} {1} {2:#.###} = {3:#.###}", oper.NumberA, item, oper.NumberB, result);
}
Console.Read();
}
private void btnResult_Click(object sender, EventArgs e)
{
try
{
string strNumberA = TextNum1.Text;
string strOperate = OperatorBox.Text;
Operation oper;
oper = OperationFactory.createOperate(strOperate);
string strNumberB = TextNum2.Text;
string strResult = "";
oper.NumberA = Convert.ToDouble(strNumberA);
oper.NumberB = Convert.ToDouble(strNumberB);
strResult = oper.GetResult().ToString();
TextResult.Text = strResult;
}
catch (Exception ex)
{
TextResult.Text = ex.Message;
}
}