double total = 0.0d;//用於總計
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = null;
switch (cbxType.SelectedItem.ToString())
{
case "正常收費":
cc = new CashContext(new CashNormal());
break;
case "滿300送100":
cc = new CashContext(new CashReturn("300", "100"));
break;
case "打8折":
cc = new CashContext(new CashRebate("0.8"));
break;
}
double totalPrices = 0d;
totalPrices = cc.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("單價：" + txtPrice.Text + " 數量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合計：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
//利用簡單工廠模式根據下拉選擇框，生成相應的物件
CashContext csuper = new CashContext(cbxType.SelectedItem.ToString());
double totalPrices = 0d;
//透過多型，可以得到收取費用的結果
totalPrices = csuper.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("單價：" + txtPrice.Text + " 數量：" + txtNum.Text + " "
+ cbxType.SelectedItem + " 合計：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
//利用簡單工廠模式根據下拉選擇框，生成相應的物件
CashContext csuper = new CashContext(cbxType.SelectedItem.ToString());
double totalPrices = 0d;
//透過多型，可以得到收取費用的結果
totalPrices = csuper.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("單價：" + txtPrice.Text + " 數量：" + txtNum.Text + " "
+ cbxType.SelectedItem + " 合計：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = new CashContext();
//根據用戶的選項，查詢用戶選擇項的相關行
DataRow dr = ((DataRow[])ds.Tables[0].Select("name='" + cbxType.SelectedItem.ToString()+"'"))[0];
//聲明一個參數的物件陣列
object[] args =null;
//若有參數，則將其分割成字串陣列，用於實體化時所用的參數
if (dr["para"].ToString() != "")
args = dr["para"].ToString().Split(',');
//透過反射實例化出相應的演算法物件
cc.setBehavior((CashSuper)Assembly.Load("商場管理軟體").CreateInstance("商場管理軟體." + dr["class"].ToString(), false, BindingFlags.Default, null, args, null, null));
double totalPrices = 0d;
totalPrices = cc.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("單價：" + txtPrice.Text + " 數量：" + txtNum.Text + " "+cbxType.SelectedItem+ " 合計：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = null;
switch (cbxType.SelectedItem.ToString())
{
case "正常收費":
cc = new CashContext(new CashNormal());
break;
case "滿300送100":
cc = new CashContext(new CashReturn("300", "100"));
break;
case "打8折":
cc = new CashContext(new CashRebate("0.8"));
break;
}
double totalPrices = 0d;
totalPrices = cc.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("單價：" + txtPrice.Text + " 數量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合計：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = new CashContext();
//根據用戶的選項，查詢用戶選擇項的相關行
DataRow dr = ((DataRow[])ds.Tables[0].Select("name='" + cbxType.SelectedItem.ToString() + "'"))[0];
//聲明一個參數的物件陣列
object[] args = null;
//若有參數，則將其分割成字串陣列，用於實體化時所用的參數
if (dr["para"].ToString() != "")
{
args = dr["para"].ToString().Split(',');
}
//透過反射實例化出相應的演算法物件
cc.setBehavior((CashSuper)Assembly.Load("商場管理軟體").CreateInstance("商場管理軟體." + dr["class"].ToString(), false, BindingFlags.Default, null, args, null, null));
double totalPrices = 0d;
totalPrices = cc.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("單價：" + txtPrice.Text + " 數量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合計：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}