添加项目文件。

HT.Cloud.Code/Util/PdfHelper.cs

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+using iTextSharp.text;
+using iTextSharp.text.pdf;
+
+namespace HT.Cloud.Code
+{
+	public class PdfHelper
+	{
+	}
+
+	public class PDFFooter : PdfPageEventHelper
+	{
+		// write on top of document
+		public override void OnOpenDocument(PdfWriter writer, Document document)
+		{
+			base.OnOpenDocument(writer, document);
+			PdfPTable tabFot = new PdfPTable(new float[] { 1F });
+			tabFot.SpacingAfter = 10F;
+			PdfPCell cell;
+			tabFot.TotalWidth = 300F;
+			cell = new PdfPCell(new Phrase("Header"));
+			tabFot.AddCell(cell);
+			tabFot.WriteSelectedRows(0, -1, 150, document.Top, writer.DirectContent);
+		}
+
+		// write on start of each page
+		public override void OnStartPage(PdfWriter writer, Document document)
+		{
+			base.OnStartPage(writer, document);
+		}
+
+		// write on end of each page
+		public override void OnEndPage(PdfWriter writer, Document document)
+		{
+			base.OnEndPage(writer, document);
+			//PdfPTable tabFot = new PdfPTable(new float[] { 1F });
+			//tabFot.TotalWidth = 700f;
+			//tabFot.DefaultCell.Border = 0;
+			////  var footFont = FontFactory.GetFont("Lato", 12 * 0.667f, new Color(60, 60, 60));
+			//string fontpath = HttpContext.Current.Server.MapPath("~/App_Data");
+			//BaseFont customfont = BaseFont.CreateFont(fontpath + "\\Lato-Regular.ttf", BaseFont.CP1252, BaseFont.EMBEDDED);
+			//var footFont = new Font(customfont, 12 * 0.667f, Font.NORMAL, new Color(170, 170, 170));
+
+			//PdfPCell cell;
+			//cell = new PdfPCell(new Phrase("@ 2016 . All Rights Reserved", footFont));
+			//cell.VerticalAlignment = Element.ALIGN_CENTER;
+			//cell.Border = 0;
+			//cell.PaddingLeft = 100f;
+			//tabFot.AddCell(cell);
+			//tabFot.WriteSelectedRows(0, -1, 150, document.Bottom, writer.DirectContent);
+		}
+
+		//write on close of document
+		public override void OnCloseDocument(PdfWriter writer, Document document)
+		{
+			base.OnCloseDocument(writer, document);
+		}
+	}
+}