//生成Label文件至内存，并下载
public void GenerateLabelPdf(string container)
{
var cartonDetails = _context.RegularCartonDetails
.Include(x => x.POSummary.RegularCartonDetails)
.Where(x => x.Container == container && x.Cartons != 0)
.ToList();
//var poSummariesInDb = _context.POSummaries
// .Include(x => x.RegularCartonDetails)
// .Where(x => x.Container == container);
var parser = new StringParser();
//定义字体
var BF_light = BaseFont.CreateFont(@"C:\Windows\Fonts\simsun.ttc,0", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
//设置页面大小
var rec = new Rectangle(432, 288, 90);
//定义内存流
using (var ms = new MemoryStream())
//在doc构造函数中传入页面大小和设置页边距(左，右，上，下，单位是pt)
using (var doc = new Document(rec, 0, 0, 14, 14))
//实际写入文件到内存流中
using (var pw = PdfWriter.GetInstance(doc, ms))
{
doc.Open(); //打开文件
foreach (var c in cartonDetails)
{
var font = new Font(BF_light, 20);
var font2 = new Font(BF_light, 28);
var size = CombineSize(c);
var containerCell = CreateTableCell("CTNR#: " + c.Container, font2, 1);
containerCell.Colspan = 2;
containerCell.HorizontalAlignment = 1;
var sizeCell = CreateTableCell("SIZE: " + size, font, 0);
var rangeCell = CreateTableCell("CTN RANGE: " + c.CartonRange, font, 0);
var poCell = CreateTableCell("PO#: " + c.PurchaseOrder, font, 0);
var styleCell = CreateTableCell("STYLE: " + c.Style, font, 0);
var colorCell = CreateTableCell("COLOR: " + c.Color + "/" + c.ColorCode, font, 0);
var remarkCell = CreateTableCell("REMARK:", font, 0);
if (c.PreLocation != null)
{
var locations = parser.ParseStrToPreLoc(c.PreLocation);
foreach (var l in locations)
{
var infoTable = new PdfPTable(2);
var ctnCell = CreateTableCell("CTNS: " + (l.Plts == 1 ? l.Ctns.ToString() : l.Ctns + "X" + l.Plts), font, 0);
var locationCell = CreateTableCell("LOC: " + l.Location, font2, 1);
locationCell.Colspan = 2;
locationCell.HorizontalAlignment = 1;
//单元格顺序
infoTable.AddCell(containerCell);
infoTable.AddCell(styleCell);
infoTable.AddCell(poCell);
infoTable.AddCell(colorCell);
infoTable.AddCell(sizeCell);
infoTable.AddCell(ctnCell);
infoTable.AddCell(remarkCell);
infoTable.AddCell(locationCell);
//infoTable.AddCell(rangeCell);
infoTable.WidthPercentage = 90f;
doc.Add(infoTable);
doc.NewPage();
}
}
else
{
var infoTable = new PdfPTable(2);
var ctnCell = CreateTableCell("CTNS: " + c.Cartons, font, 0);
var locationCell = CreateTableCell("LOC: N/A", font2, 1);
locationCell.Colspan = 2;
locationCell.HorizontalAlignment = 1;
//单元格顺序
infoTable.AddCell(containerCell);
infoTable.AddCell(styleCell);
infoTable.AddCell(poCell);
infoTable.AddCell(colorCell);
infoTable.AddCell(sizeCell);
infoTable.AddCell(ctnCell);
infoTable.AddCell(remarkCell);
infoTable.AddCell(locationCell);
//infoTable.AddCell(rangeCell);
infoTable.WidthPercentage = 90f;
doc.Add(infoTable);
doc.NewPage();
}
}
//循环到这里结束
doc.Close();
pw.Close();
ms.Close();
//输出到客户端
var response = HttpContext.Current.Response;
response.Clear();
response.ContentType = "Application/pdf";
response.AddHeader("content-disposition", "attachment; filename=" + container + "-Labels.pdf");
response.BinaryWrite(ms.ToArray());
//ms.WriteTo(response.OutputStream); //这样也行
response.Flush();
response.Close();
response.End();
}
}