private void button_Operation_Click(object sender, EventArgs e)
{
string strOperator;
try
{
strOperator = textBox_Operator.Text.Trim();
//if (strOperator != "+" && strOperator != "-" && strOperator != "*" && strOperator != "/")
// throw new Exception("操作符输入错误");
Operation Opr = OperationFactory.CreateOperation(strOperator);
Opr.NumberA = Convert.ToDouble(textBox_NumberA.Text.Trim());
Opr.NumberB = Convert.ToDouble(textBox_NumberB.Text.Trim());
textBox_Result.Text = Opr.GetResult().ToString();
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
textBox_Result.Text = "";
throw;
}
//finally
//{
// MessageBox.Show("欢迎！");
//}
}
private void button_Operation_Click(object sender, EventArgs e)
{
string strOperator;
//try
//{
strOperator = textBox_Operator.Text.Trim();
Operation Opr = OperationFactory.CreateOperation(strOperator);
Opr.NumberA = Convert.ToDouble(textBox_NumberA.Text.Trim());
Opr.NumberB = Convert.ToDouble(textBox_NumberB.Text.Trim());
textBox_Result.Text = Opr.GetResult().ToString();
//}
//catch (System.Exception ex)
//{
// MessageBox.Show(ex.Message);
// textBox_Result.Text = "";
//}
}
public Operation SetOperation(string type)
{
return(OperationFactory.CreateOperation(type));
}