private static void PrintBarCode(FieldModel fm, int adjustHeight, PrintPageEventArgs e)
{
try
{
if (string.IsNullOrEmpty(fm.BindingText))
{
return;
}
int locationY = fm.LocationY + adjustHeight;
var pickNoBarcode = new BarcodeX {
Data = fm.BindingText, ShowText = false, Symbology = bcType.Code128
};
e.Graphics.DrawImage(pickNoBarcode.Image(fm.TextAreaWidth, fm.TextAreaHeight),
fm.LocationX, locationY);
}
finally
{
CurrentPrintPage.PrintEntity.Fields.Remove(fm);
}
}
private static void CurrentPrinter_PrintPage(object sender, PrintPageEventArgs e)
{
//如果是打印快递单，先加载销售平台的底图
if (CurrentPrintPage.About == PrintAbout.Express && CurrentPrintPage.PrintEntity.Extends["SaleFilialeId"] != null)
{
PrintImage(new FieldModel()
{
FieldName = "express",
BindingText = CurrentPrintPage.PrintEntity.Extends["SaleFilialeId"].ToString(),
LocationX = 0,
LocationY = 0,
TextAreaWidth = CurrentPrintPage.DefaultPageSettings.PaperSize.Width,
TextAreaHeight = CurrentPrintPage.DefaultPageSettings.PaperSize.Height
}, 0, e);
}
//高度调整，如果数据块高度和设计的高度有差别，则adjustHeight保存差别值
int adjustHeight = 0;
if (CurrentPrintPage.BlockChangeToNewPage)
{
//如果换页,偏移量是第一个打印数据的高度
FieldModel offsetFm = CurrentPrintPage.PrintEntity.Fields.OrderBy(f => f.LocationY).OrderBy(f => f.LocationX).FirstOrDefault();
if (offsetFm != null)
{
adjustHeight = -offsetFm.LocationY + 20;
}
}
//先打印所有数据块之前的字段
FieldModel dbfm = CurrentPrintPage.PrintEntity.Fields.Find(f => f.FieldType == FieldType.DataBlock);
if (dbfm != null)
{
List <FieldModel> beforedbfmData = CurrentPrintPage.PrintEntity.Fields.Where(f => f.LocationY < dbfm.LocationY).ToList();
foreach (FieldModel fm in beforedbfmData)
{
switch (fm.FieldType)
{
case FieldType.String:
PrintString(fm, adjustHeight, e);
break;
case FieldType.Image:
PrintImage(fm, adjustHeight, e);
break;
case FieldType.Line:
PrintLine(fm, adjustHeight, DashStyle.Solid, e);
break;
case FieldType.BarCode:
PrintBarCode(fm, adjustHeight, e);
break;
}
}
//然后打印数据块
adjustHeight = PrintDataBlock(dbfm, CurrentPrintPage.PrintEntity.DataEntity, e);
//打印数据块需要换页
if (CurrentPrintPage.DataBlockContinue)
{
return;
}
}
//首先判断剩下的纸张高度够不够打印 如果adjustPoint.Y > 0,且 不分页块+留白块 < 剩下的打印空间，则换页
//（暂时将数据块后所有内容表示为不分页块，以后拓展程序可以改进）
if (adjustHeight > 0)
{
CurrentPrintPage.BlockChangeToNewPage = e.HasMorePages = true;
return;
}
//先对字段进行排序，剩下的字段从上往下顺序打
CurrentPrintPage.PrintEntity.Fields = CurrentPrintPage.PrintEntity.Fields.
OrderBy(f => f.LocationY).OrderBy(f => f.LocationX).ToList();
for (int i = 0; i < CurrentPrintPage.PrintEntity.Fields.Count;)
{
FieldModel fm = CurrentPrintPage.PrintEntity.Fields[0];
switch (fm.FieldType)
{
case FieldType.String:
PrintString(fm, adjustHeight, e);
break;
case FieldType.Image:
PrintImage(fm, adjustHeight, e);
break;
case FieldType.Line:
PrintLine(fm, adjustHeight, DashStyle.Solid, e);
break;
case FieldType.BarCode:
PrintBarCode(fm, adjustHeight, e);
break;
}
}
//最后是留白部分（发货单专享打印图片和电子发票，先照搬之前的代码）
if (CurrentPrintPage.About == PrintAbout.Order && CurrentPrintPage.PrintEntity.PageModel.BlankHeight > 0)
{
if (CurrentPrintPage.PrintEntity.Extends["OrderNos"] != null &&
CurrentPrintPage.PrintEntity.Extends["SalePlatformId"] != null &&
CurrentPrintPage.PrintEntity.Extends["DimensionalCodeDto"] != null)
{
var orderNos = CurrentPrintPage.PrintEntity.Extends["OrderNos"].ToString();
var salePlatformId = CurrentPrintPage.PrintEntity.Extends["SalePlatformId"].ToString();
var printType = (DataEntity.PrintType)CurrentPrintPage.PrintEntity.Extends["PrintType"];
var dimensionalCodeDto = CurrentPrintPage.PrintEntity.Extends["DimensionalCodeDto"] as DimensionalCodeDTO;
int barCodeLeft;
int currentY = CurrentPrintPage.PrintEntity.PageModel.Height - (int)CommonFunction.Pix2Millimeter(CurrentPrintPage.PrintEntity.PageModel.BlankHeight);
QRCodeService.PrintEInvoiceAndQRCode(e, orderNos, salePlatformId,
dimensionalCodeDto, ref currentY, out barCodeLeft);
#region [打印总单号条形码]
if (printType == DataEntity.PrintType.Auto && CurrentPrintPage.PrintEntity.Extends["TotalBillNo"] != null)
{
var totalBillNo = CurrentPrintPage.PrintEntity.Extends["TotalBillNo"].ToString();
var pickNoBarcode = new BarcodeX {
Data = totalBillNo, ShowText = false, Symbology = bcType.Code128
};
e.Graphics.DrawImage(pickNoBarcode.Image(160, 40), CommonFunction.Millimeter2Pix(barCodeLeft), CommonFunction.Millimeter2Pix(currentY));
}
#endregion
}
}
CurrentPrintPage.BlockChangeToNewPage = e.HasMorePages = false;
if (CurrentPrintPage.PrintEntity.Fields.Count > 0)
{
throw new Exception("打印数据不完全");
}
}