private double total = 0.0d;//用于总计
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = null;
switch (cbxType.SelectedItem.ToString())
{
case "正常收费":
cc = new CashContext(new CashNormal());
break;
case "满300返100":
cc = new CashContext(new CashReturn("300", "100"));
break;
case "打8折":
cc = new CashContext(new CashRebate("0.8"));
break;
}
var totalPrices = cc.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("单价：" + txtPrice.Text + " 数量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合计：" + totalPrices);
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
//利用简单工厂模式根据下拉选择框，生成相应的对象
CashContext csuper = new CashContext(cbxType.SelectedItem.ToString());
//通过多态，可以得到收取费用的结果
var totalPrices = csuper.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("单价：" + txtPrice.Text + " 数量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合计：" + totalPrices);
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext ccontext = new CashContext(cbxType.SelectedItem.ToString());
double totalPrices = 0.0d;
totalPrices = ccontext.GetResult(Convert.ToDouble(txt_Price.Text) * Convert.ToDouble(txt_Num.Text));
total = total + totalPrices;
lbxList.Items.Add("单价：" + txt_Price.Text + " 数量: " + txt_Num.Text + " 合计：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
//利用简单工厂模式根据下拉选择框，生成相应的对象
CashContext csuper = new CashContext(cbxType.SelectedItem.ToString());
double totalPrices = 0d;
//通过多态，可以得到收取费用的结果
totalPrices = csuper.GetResult(Convert.ToDouble(txtPrice.Text) * Convert.ToDouble(txtNum.Text));
total = total + totalPrices;
lbxList.Items.Add("单价：" + txtPrice.Text + " 数量：" + txtNum.Text + " "
+ cbxType.SelectedItem + " 合计：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = new CashContext();
//根据用户的选项，查询用户选择项的相关行
DataRow dr = ((DataRow[])ds.Tables[0].Select("name='" + cbxType.SelectedItem.ToString()+"'"))[0];
//声明一个参数的对象数组
object[] args =null;
//若有参数，则将其分割成字符串数组，用于实例化时所用的参数
if (dr["para"].ToString() != "")
args = dr["para"].ToString().Split(',');
//通过反射实例化出相应的算法对象
cc.setBehavior((CashSuper)Assembly.Load("商场管理软件").CreateInstance("商场管理软件." + 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("单价：" + txtPrice.Text + " 数量：" + txtNum.Text + " "+cbxType.SelectedItem+ " 合计：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = null;
switch (cbxType.SelectedItem.ToString())
{
case "正常收费":
cc = new CashContext(new CashNormal());
break;
case "满300返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("单价：" + txtPrice.Text + " 数量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合计：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
private void btnOk_Click(object sender, EventArgs e)
{
CashContext cc = new CashContext();
//根据用户的选项，查询用户选择项的相关行
DataRow dr = ((DataRow[])ds.Tables[0].Select("name='" + cbxType.SelectedItem.ToString() + "'"))[0];
//声明一个参数的对象数组
object[] args = null;
//若有参数，则将其分割成字符串数组，用于实例化时所用的参数
if (dr["para"].ToString() != "")
{
args = dr["para"].ToString().Split(',');
}
//通过反射实例化出相应的算法对象
cc.setBehavior((CashSuper)Assembly.Load("商场管理软件").CreateInstance("商场管理软件." + 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("单价：" + txtPrice.Text + " 数量：" + txtNum.Text + " " + cbxType.SelectedItem + " 合计：" + totalPrices.ToString());
lblResult.Text = total.ToString();
}
