private void buttonCalc_Click(object sender, RoutedEventArgs e)
{
try
{
//decimal price, discount;
//("请?输º?入¨?购o买¨°商¦¨¬品¡¤的Ì?总Á¨¹价?:êo");
//price = (());
//if (price >= 2000) { discount = price * ; }
//else if (price >= 1000) { discount = price * ; }
//else if (price >= 500) { discount = price * ; }
//else if (price >= 100) { discount = price * ; }
//else if (price > 0) { discount = price; }
//else //即¡äprice <=0
//{
// ("输º?入¨?错䨪误¨®,ê?应®|输º?入¨?正y数ºy的Ì?总Á¨¹价?!ê?");
// return;
//}
//(("打䨰折?后¨®只?需¨¨付?:êo{0:C}", discount));
decimal price, discount;
price = ();
if (price >= 2000) { discount = price * ; }
else if (price >= 1000) { discount = price * ; }
else if (price >= 500) { discount = price * ; }
else if (price >= 100) { discount = price * ; }
else if (price > 0) { discount = price; }
else //即¡äprice <=0
{
throw new Exception("输º?入¨?错䨪误¨®,ê?应®|输º?入¨?正y数ºy的Ì?总Á¨¹价?!ê?");
//("输º?入¨?错䨪误¨®,ê?应®|输º?入¨?正y数ºy的Ì?总Á¨¹价?!ê?");
//return;
}
= ("{0:C}", discount);
//(("打䨰折?后¨®只?需¨¨付?:êo{0:C}", discount));
// if (price >= 2000) discount = price * ;
// else if (price >= 1000) di
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