public static void Main(string [] args)
{
CashSuper cs = CashFactory.CreateCashAccept(cbxType.SelectedItem.ToString());
double totalPrices = 0d;
totalPrices = cs.acceptCash(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text) + totalPrices);
total += totalPrices;
}
public static void Main1(string[] args)
{
double total = 0.0d;
CashSuper csuper = CashFactory.createCashAccept("80% discount");
double totalPrices = csuper.acceptCash(288 * 3);
total = total + totalPrices;
Console.WriteLine("Result : {0}", total);
}
/// <summary>
/// version 1.0
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
//private void btnOk_Click(object sender, EventArgs e)
//{
// double totalPrices = Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text);
// total += totalPrices;
// lbxList.Items.Add("单价:" + txtPrice.Text + " 数量:" + txtNum.Text + " 合计:" + totalPrices.ToString());
// lbResult.Text = total.ToString() + " 元";
//}
/// <summary>
/// version 1.1
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
//private void btnOk_Click(object sender, EventArgs e)
//{
// double totalPrices = 0d;
// switch (cbxType.SelectedIndex)
// {
// case 0:
// totalPrices = Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text);
// break;
// case 1:
// totalPrices = Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text) * 0.8;
// break;
// case 2:
// totalPrices = Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text) * 0.7;
// break;
// case 3:
// totalPrices = Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text) * 0.5;
// break;
// }
// total += totalPrices;
// lbxList.Items.Add("单价:" + txtPrice.Text + " 数量:" + txtNum.Text +" " +cbxType.SelectedItem+ " 合计:" + totalPrices.ToString());
// lbResult.Text = total.ToString() + " 元";
//}
/// <summary>
/// version 1.2
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnOk_Click(object sender, EventArgs e)
{
CashSuper csuper = CashFactory.createCashAccept(cbxType.SelectedItem.ToString());
double totalPrices = 0d;
totalPrices = csuper.acceptCash(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total += totalPrices;
lbxList.Items.Add("单价:" + txtPrice.Text + " 数量:" + txtNum.Text + " " + cbxType.SelectedItem + " 合计:" + totalPrices.ToString());
lbResult.Text = total.ToString() + " 元";
}
//得到现金促销计算结果（利用了多态机制，不同的策略行为导致不同的结果）
public double GetResult(double money)
{
return(cs.acceptCash(money));
}
public double GetResule(double money)
{
return(cash.acceptCash(money));
}