private void btnOK_Click(object sender, EventArgs e)
{
//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
CashSuper cashSuper =
(Assembly.Load("策略模式_计算器_满送_策略和工厂_反射")
.CreateInstance(
"策略模式_计算器_满送_策略和工厂_反射." + dr["class"].ToString(),
false,
BindingFlags.Default,
null,
args,
null,
null)) as CashSuper;
CashContext cc = new CashContext(cashSuper);
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)
{
//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
CashSuper cashSuper =
(Assembly.Load("策略模式_计算器_满送_策略和工厂_反射")
.CreateInstance(
"策略模式_计算器_满送_策略和工厂_反射." + dr["class"].ToString(),
false,
BindingFlags.Default,
null,
args,
null,
null)) as CashSuper;
CashContext cc = new CashContext(cashSuper);
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();
}