/// <summary>
/// 打印左右对齐的行
/// </summary>
/// <param name="left"></param>
/// <param name="right"></param>
/// <returns></returns>
private byte[] PrintLineLeftRight(string left, string right, int fontSize = 1)
{
var zhLeft = PrinterCmdUtils.CalcZhQuantity(left); // 左边文本的中文字符长度
var enLeft = left.Length - zhLeft; // 左边文本的其他字符长度
var zhRight = PrinterCmdUtils.CalcZhQuantity(right); // 右边文本的中文字符长度
var enRight = right.Length - zhRight; // 右边文本的其他字符长度
var len = FormatLen - ((zhLeft * 2 + enLeft + zhRight * 2 + enRight) * fontSize); // 缺少的字符长度
if (len > 0)
{
for (int i = 0; i < len / fontSize; i++)
{
left += " ";
}
}
else
{
var times = 1;
while (true)
{
if (FormatLen * times + len > 0)
{
break;
}
times++;
}
for (int i = 0; i < (FormatLen * times + len) / fontSize; i++)
{
left += " ";
}
}
return(TextToByte(left + right));
}
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
});
}
/// <summary>
/// 前台打印
/// </summary>
/// <param name="order"></param>
/// <param name="socket"></param>
private void ReceptionPrint(Order order, Socket socket)
{
var bufferArr = new List <byte[]>();
// 打印当日序号
bufferArr.Add(PrinterCmdUtils.AlignCenter());
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(4));
bufferArr.Add(TextToByte("#" + order.Identifier));
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(2));
bufferArr.Add(TextToByte("简单猫"));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 打印小票类别
bufferArr.Add(PrinterCmdUtils.AlignLeft());
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(1));
bufferArr.Add(TextToByte("前台小票"));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 分隔
bufferArr.Add(PrinterCmdUtils.SplitLine("-", Format));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 备注
if (!string.IsNullOrEmpty(order.Remark))
{
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(2));
bufferArr.Add(TextToByte($"备注：{order.Remark}"));
bufferArr.Add(PrinterCmdUtils.NextLine());
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(1));
bufferArr.Add(PrinterCmdUtils.NextLine());
}
// 商户名称
bufferArr.Add(PrinterCmdUtils.AlignCenter());
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(2));
bufferArr.Add(TextToByte(ApplicationObject.App.Business.Name));
bufferArr.Add(PrinterCmdUtils.NextLine());
bufferArr.Add(PrinterCmdUtils.AlignLeft());
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(1));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 下单时间
bufferArr.Add(TextToByte($"下单时间：{order.PayTime:yyyy-MM-dd HH:mm:ss}"));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 订单编号
bufferArr.Add(TextToByte($"订单编号：{order.OrderCode}"));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 商品分隔
bufferArr.Add(PrinterCmdUtils.SplitText("-", "购买商品", Format));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 打印商品
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(2));
foreach (var product in order.Products)
{
var buffer = ProductLine(product, 2);
buffer.ForEach(a =>
{
bufferArr.Add(a);
bufferArr.Add(PrinterCmdUtils.NextLine());
});
}
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(1));
// 分隔
bufferArr.Add(PrinterCmdUtils.SplitText("-", "其他", Format));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 包装费
if (order.PackagePrice.HasValue)
{
bufferArr.Add(PrintLineLeftRight("包装费", double.Parse(order.PackagePrice + "") + ""));
bufferArr.Add(PrinterCmdUtils.NextLine());
}
// 配送费
bufferArr.Add(PrintLineLeftRight("配送费", double.Parse(order.Freight + "") + ""));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 满减活动打印
if (order.SaleFullReduce != null)
{
bufferArr.Add(PrintLineLeftRight(order.SaleFullReduce.Name, "-￥" + double.Parse(order.SaleFullReduce.ReduceMoney + "") + ""));
bufferArr.Add(PrinterCmdUtils.NextLine());
}
// 优惠券打印
if (order.SaleCouponUser != null)
{
bufferArr.Add(PrintLineLeftRight(order.SaleCouponUser.Name, "-￥" + order.SaleCouponUser.Value + ""));
bufferArr.Add(PrinterCmdUtils.NextLine());
}
// 订单金额
bufferArr.Add(PrinterCmdUtils.AlignRight());
bufferArr.Add(TextToByte("实付："));
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(2));
bufferArr.Add(TextToByte(order.Price + "元"));
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(1));
bufferArr.Add(PrinterCmdUtils.NextLine());
bufferArr.Add(PrinterCmdUtils.AlignLeft());
// 分隔
bufferArr.Add(PrinterCmdUtils.SplitLine("*", Format));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 地址
bufferArr.Add(PrinterCmdUtils.FontSizeSetBig(2));
bufferArr.Add(TextToByte(order.ReceiverAddress));
bufferArr.Add(PrinterCmdUtils.NextLine());
bufferArr.Add(TextToByte(order.Phone));
bufferArr.Add(PrinterCmdUtils.NextLine());
bufferArr.Add(TextToByte(order.ReceiverName));
bufferArr.Add(PrinterCmdUtils.NextLine());
// 切割
bufferArr.Add(PrinterCmdUtils.FeedPaperCutAll());
// 打印
bufferArr.ForEach(a => socket.Send(a));
}
