/// <summary>
/// + - * / 按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonAdd_Click(object sender, EventArgs e)
{
if (txtShow.Text != "")
{
oper = OperationFactory.createOperate(((Button)sender).Text);
oper.NumberA = Convert.ToDouble(txtShow.Text);
bOperate = true;
}
}
/// <summary>
/// + - * / 按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonAdd_Click(object sender, EventArgs e)
{
if (txtShow.Text != "")
{
oper = OperationFactory.createOperate(((Button)sender).Text);
oper.NumberA = Convert.ToDouble(txtShow.Text);
bOperate = true;
}
}
/// <summary>
/// 0-9 和 . 的按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button0_Click(object sender, EventArgs e)
{
if (bOperate)
{
txtShow.Text = "";
bOperate = false;
}
string number = ((Button)sender).Text;
txtShow.Text = OperationObjects.checkNumberInput(txtShow.Text, number);
}
public static OperationObjects createOperate(string operate)
{
OperationObjects oper = null;
switch (operate)
{
case "+":
{
oper = new OperationAdd();
break;
}
case "-":
{
oper = new OperationSub();
break;
}
case "*":
{
oper = new OperationMul();
break;
}
case "/":
{
oper = new OperationDiv();
break;
}
case "sqr":
{
oper = new OperationSqr();
break;
}
case "sqrt":
{
oper = new OperationSqrt();
break;
}
case "+/-":
{
oper = new OperationReverse();
break;
}
}
return(oper);
}
/// <summary>
/// =、sqr、sqrt、+/- 按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonEqual_Click(object sender, EventArgs e)
{
if (txtShow.Text != "")
{
if (((Button)sender).Text != "=")
{
oper = OperationFactory.createOperate(((Button)sender).Text);
}
oper.NumberB = Convert.ToDouble(txtShow.Text);
txtShow.Text = oper.GetResult().ToString();
bOperate = true;
}
}
/// <summary>
/// =、sqr、sqrt、+/- 按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonEqual_Click(object sender, EventArgs e)
{
if (txtShow.Text != "")
{
if (((Button)sender).Text != "=")
{
oper = OperationFactory.createOperate(((Button)sender).Text);
}
oper.NumberB = Convert.ToDouble(txtShow.Text);
txtShow.Text = oper.GetResult().ToString();
bOperate = true;
}
}