1 static void Main(string[] args) 2 { 3 //CreatePDF 4 string name=Guid.NewGuid().ToString("N"); 5 Document document = new Document(PageSize.A5); 6 PdfWriter writerA = PdfWriter.GetInstance(document, 7 new FileStream(name+".pdf", FileMode.OpenOrCreate));
writerA.InitialLeading = 30;// 行间距设置 8 WriteDocument(document, writerA); 9 //UpdatePDF 10 UpdatePDF(name+".pdf", 1, "Upated: Add Text", 300,10); 11 }
1 static void WriteDocument(Document document, PdfWriter writer) 2 { 3 if (!document.IsOpen()) 4 document.Open(); 5 6 AddListWithLink(document, writer); 7 FillBlock(document, writer); 8 AddCustomizeList(document, writer); 9 AddPTable(document, writer); 10 AddTable(document, writer); 11 AddExtContent(document, writer); 12 document.NewPage(); 13 AddExtContent(document, writer); 14 15 document.Close(); 16 } 17 public static string UpdatePDF(string filePath,int pageIndex,string content,float px,float py) 18 { 19 string name=Guid.NewGuid().ToString("N"); 20 PdfReader reader=new PdfReader(filePath); 21 PdfStamper stamp=new PdfStamper(reader, new FileStream(name+".pdf", FileMode.Create)); 22 23 PdfContentByte cbc =stamp.GetOverContent(pageIndex); 24 BaseFont bfontc = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, 25 BaseFont.NOT_EMBEDDED);//设定字体：黑体 26 cbc.BeginText(); 27 cbc.SetFontAndSize(bfontc, 9);//设定字号 28 cbc.SetCharacterSpacing(1);//设定字间距 29 cbc.SetRGBColorFill(66, 00, 00);//设定文本颜色 30 cbc.ShowTextAligned(PdfContentByte.ALIGN_LEFT,content,px,py, 0); 31 cbc.EndText(); 32 stamp.Close(); 33 reader.Close(); 34 File.Delete(filePath); 35 return name+".pdf"; 36 }
AddListWithLink
1 //添加 链接 、列表 2 private static void AddListWithLink(Document document,PdfWriter writer) 3 { 4 Phrase ph=new Phrase(); 5 Paragraph p = new Paragraph(); 6 p.Add("This Is A Link Example："); 7 Anchor anchor = new Anchor(10, "BaiDu", FontFactory.GetFont( 8 FontFactory.HELVETICA, 10, Font.UNDERLINE, new Color(0, 0, 255))); 9 anchor.Reference = "www.baidu.com"; 10 anchor.Name = "baidu"; 11 p.Add(anchor); 12 ph.Add(p); 13 14 List listitems = new List(false, 10); 15 listitems.ListSymbol = new Chunk("\u2022", FontFactory.GetFont(FontFactory.HELVETICA, 20)); 16 listitems.Add(new ListItem(ph)); 17 listitems.Add(new ListItem("The second line")); 18 document.Add(listitems); 19 }
FillBlock
1 // 写在矩形区域里面:用于布局 2 private static void FillBlock(Document document, PdfWriter writer) 3 { 4 PdfContentByte cbb = writer.DirectContent; 5 ColumnText ct = new ColumnText(cbb); 6 Phrase fieldtext = new Phrase("Fill Block[10,35]~[250,150]:\n", 7 FontFactory.GetFont(FontFactory.HELVETICA, 10, Font.BOLD, new Color(0, 0, 255))); 8 fieldtext.AddSpecial(new Paragraph("The line is longer to see what happens,The line is longer" 9 +"to see what happens,The line is longer to see what happens,The line " 10 +"is longer to see what happens,The line is longer to see what happens," 11 +"The line is longer to see what happens.")); 12 ct.SetSimpleColumn(fieldtext, 10, 35, 250, 150, 15, Element.ALIGN_LEFT);//[10,35]~[250,150] 13 //区域:左下角为[10,35],右上角为[250,150] 14 ct.Go(); 15 16 }
AddCustomizeList
1 //定位输出 定制的列表文本 2 private static void AddCustomizeList(Document document,PdfWriter writer) 3 { 4 5 PdfContentByte cb = writer.DirectContent; 6 cb.BeginText(); 7 BaseFont bfont = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, 8 BaseFont.NOT_EMBEDDED);//设定字体：黑体 9 10 cb.SetFontAndSize(bfont, 9);//设定字号 11 12 cb.SetCharacterSpacing(1);//设定字间距 13 cb.SetRGBColorFill(66, 00, 00);//设定文本颜色 14 cb.MoveTo(100, 70); 15 string[] lines=new string[] { 16 "A Customize List is longer to \n see what happens" 17 +"once the end of the\nline is reached. Will it start on a new line?", 18 "B Customize List is longer to \n see what happens" 19 +" once the end of the\n line is reached. Will it start on a new line?", 20 "C Customize List is longer to \n see what happens" 21 +"once the end of the\n line is reached. Will it start on a new line?" }; 22 int pointY=300; 23 foreach (var line in lines) 24 { 25 var items=line.Split('\n'); 26 bool IsTop=true; 27 pointY-=6; 28 29 foreach (var item in items) 30 { 31 pointY-=9; 32 if (IsTop) 33 { 34 cb.SetFontAndSize(bfont, 18); 35 cb.ShowTextAligned(PdfContentByte.ALIGN_LEFT, "\u2022", 100, pointY-3, 0); 36 cb.SetFontAndSize(bfont, 9); 37 cb.ShowTextAligned(PdfContentByte.ALIGN_LEFT, item.Trim(), 110, pointY, 0); 38 IsTop=false; 39 } 40 else 41 { 42 cb.ShowTextAligned(PdfContentByte.ALIGN_LEFT, item.Trim(), 110, pointY, 0); 43 } 44 45 } 46 } 47 48 cb.EndText(); 49 // writer.Add(p); 50 writer.Flush(); 51 52 53 }
Pdf Table
1 private static void AddPTable(Document document, PdfWriter writer) 2 { 3 4 PdfPTable pdftable = new PdfPTable(3); 5 6 Phrase text1 = new Phrase("Add PTable", FontFactory.GetFont(FontFactory.HELVETICA, 10, 7 Font.BOLD, new Color(0, 0, 255))); 8 PdfPCell cell = new PdfPCell(text1); 9 cell.VerticalAlignment =Element.ALIGN_CENTER; 10 cell.HorizontalAlignment =Element.ALIGN_MIDDLE; 11 cell.Padding = 0.5F; 12 13 cell.BorderWidthTop=2; 14 cell.BorderColorLeft=Color.RED; 15 //cell.FixedHeight = height; 16 cell.MinimumHeight =50; 17 18 pdftable.AddCell(cell); 19 20 pdftable.AddCell("Content"); 21 22 //GetInstance 的 img 参数是 System.Drawing 中的 Image。 23 //如果你不希望单元格被撑大，就要设置其 FixedHeigh。 24 //如果还想看整个图片，就需要调用 ScaleToFit 方法。 25 PdfPCell cell3=new PdfPCell(); 26 iTextSharp.text.Image img1 = iTextSharp.text.Image.GetInstance("flower.jpg"); 27 28 img1.ScaleToFit(cell.Width, cell.Height); 29 30 cell3.FixedHeight = cell.MinimumHeight; 31 cell3.Image = img1; 32 pdftable.AddCell(cell3); 33 document.Add(pdftable); 34 35 } 36 private static void AddTable(Document document, PdfWriter writer) 37 { 38 39 Table table = new Table(3); 40 var cell4 = new Cell("Add Table:"); 41 cell4.Rowspan = 2; 42 cell4.Colspan = 2; 43 cell4.BackgroundColor = new Color(0xC0, 0xC0, 0xC0); 44 cell4.BorderColor = new Color(255, 0, 0); 45 46 table.AddCell(cell4); 47 48 table.AddCell("1.3"); 49 50 table.AddCell("2.3"); 51 52 table.AddCell("3.1"); 53 54 table.AddCell("3.2"); 55 table.AddCell("3.3"); 56 document.Add(table); 57 58 }
AddExtContent
1 private static void AddExtContent(Document document,PdfWriter writer) 2 { 3 PdfContentByte cbc = writer.DirectContent; 4 BaseFont bfontc = BaseFont.CreateFont(BaseFont.HELVETICA, 5 BaseFont.CP1252, BaseFont.NOT_EMBEDDED);//设定字体：黑体 6 cbc.BeginText(); 7 cbc.SetFontAndSize(bfontc, 9);//设定字号 8 cbc.SetCharacterSpacing(1);//设定字间距 9 cbc.SetRGBColorFill(66, 00, 00);//设定文本颜色 10 11 cbc.ShowTextAligned(PdfContentByte.ALIGN_LEFT, "Position[10,10]: Pdf123", 10,10, 0); 12 cbc.EndText(); 13 }
行间距：
writer.InitialLeading = 30;
phrase.Leading = 50;
段落缩进：
paragraph.IndentationLeft = 20;
paragraph.IndentationRight = 20;
paragraph.FirstLineIndent = 20;
段间距：
paragraph.SpacingBefore=10;
paragraph.SpacingAfter=20;
嵌入字体：
BaseFont simheiBase = BaseFont.CreateFont(@"C:\Windows\Fonts\Din-balck.otf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);