public static void Print(int saleid, float got)
{
float total = 0;
int Count = 0;
Sales sale = SaleService.getSaleById(saleid);
string name = sale.SaleDate + " " + sale.Code + ".txt";
string fileName = name.Replace(":", "-");
FileStream fs = new FileStream(fileName, FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine("***************************");
sw.WriteLine("欢迎光临购书中心");
sw.WriteLine("---------------------------");
sw.WriteLine("书名\t数量*单价\t总价");
foreach (SaleItems sitem in SaleService.getSaleItemsBySaleId(sale.Id))
{
sw.WriteLine("{0}\t{1}*{2}\t{3}元", BookService.getBookById(sitem.BookId).Name, sitem.Count, sitem.Price, sitem.Count * sitem.Price);
total = total + (sitem.Count * sitem.Price);
Count = Count + sitem.Count;
}
sw.WriteLine("总数量共：{0}本\t合 计：{1}元", Count, total);
sw.WriteLine("实收金额：{0}元", got);
sw.WriteLine("应找金额：{0}元", got - total);
sw.WriteLine("---------------------------");
sw.WriteLine("感谢惠顾，欢迎下次光临！");
sw.WriteLine("***************************");
sw.Close();
fs.Close();
}
public static Book getBookById(int b_id)
{
return(BookService.getBookById(b_id));
}
