private int maxRightLen = 10; // 打印商品时，商品数量与商品价格最多占10个字符位
/// <summary>
/// 打印订单商品
/// </summary>
/// <param name="product"></param>
/// <returns></returns>
private List <byte[]> ProductLine(OrderProduct product, int fontSize = 1)
{
var left = product.Name;
if (!string.IsNullOrEmpty(product.Description))
{
left += "(" + product.Description + ")";
}
var middle = "*" + Convert.ToDouble(product.Quantity);
var right = Convert.ToDouble(product.Price) + "";
var place = string.Empty;
for (int i = 0; i < maxRightLen - middle.Length - right.Length; i++)
{
place += " ";
}
right = middle + place + right;
var buffer = PrinterCmdUtils.PrintLineLeftRight(left, right, fontSize: fontSize);
return(new List <byte[]> {
buffer
});
}
