Itextsharp A simple example of generating a PDF

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Code:

  <summary>///Compare page to generate PDF functionality. </summary>//<param name= "Country" > Country </param>//<param name= "PNS" >pn</par am>//<param name= "Language" > Languages </param>//<returns> response Objects </returns> Publ            IC string Comparepdf (String country, string[] PNS, String language) {var result = "";            Generate PDF Document document = new document ();            Write this: is to generate a file into a directory in//var directory = HttpContext.Current.Server.MapPath ("~/pdf");            String host = HttpContext.Current.Request.Url.Host;            int port = HttpContext.Current.Request.Url.Port; if (!            Directory.Exists (directory))//{//directory.createdirectory (directory);            }//var fileName = "";            foreach (var item in PNS)//{//FileName + = "_" + Item + "_"; }//filename = "Compare" + FileName + DateTime.Now.ToString ("YYYYMMDDHHMMSS") + ". pdf";            var pdfpath = directory + "\ \" + FileName;            var fileStream = new FileStream (Pdfpath, FileMode.Create);         PDFWriter PW = pdfwriter.getinstance (document, FileStream);            Write this: is to generate the file into memory to go to var MemoryStream = new MemoryStream (); PDFWriter PW = pdfwriter.getinstance (document, MemoryStream);//Generate into memory//data var list = Compare (countr            Y, PNS, language); Document. Open ();//opening file//writing data//registering font string fontpath = HttpContext.Current.Server.MapPath ("~/app_d            ATA ");            Basefont Customfont = Basefont.createfont (Fontpath + "\\Lato-Regular.ttf", basefont.cp1252, basefont.embedded);            var basefont = new Font (Customfont, 0.667f, Font.normal, New Color (68, 68, 68));            var leftfont = new Font (Customfont, 0.667f, Font.Bold, New Color (68, 68, 68));      #region Head      Pdfptable Tablelogo = new pdfptable (3);            TableLogo.DefaultCell.Border = Rectangle.no_border;            TableLogo.DefaultCell.MinimumHeight = 40f;            float[] headwidths = new float[] {60f, 60f, 150f};            Tablelogo.setwidths (headwidths); Logo var logo = iTextSharp.text.Image.GetInstance ("Http://d1fyvoqprbjuee.cloudfront.net/smartfindimages/logo".            PNG "); Logo.            Scaletofit (0.667f, 0.667f);            var Logocell = new Pdfpcell ();            Logocell.paddingleft = -1f;            Logocell.minimumheight = 45f;            Logocell.horizontalalignment = Element.align_left;            Logocell.border = 0;            Logocell.addelement (logo);             Tablelogo.addcell (Logocell);            var headfont = new Font (Customfont, 0.667f, Font.Bold, New Color (68, 68, 68));            var Scell = new Pdfpcell (New Paragraph ("Smartfind", Headfont));            Scell.border = 0;      Scell.paddingleft = 3f;      Scell.paddingbottom = 17f;            Scell.minimumheight = 45f;            Scell.horizontalalignment = Element.align_left;            Scell.verticalalignment = Element.align_bottom;            Tablelogo.addcell (Scell);            var Acell = new Pdfpcell ();            Acell.border = 0;            Acell.minimumheight = 45f;            Acell.paddingbottom = 17f;            Acell.horizontalalignment = Element.align_left;            Acell.verticalalignment = Element.align_bottom;            var accfont = new Font (Customfont, 0.667f, Font.normal, New Color (170, 170, 170));  var acc = new Paragraph ("|            Accessories ", accfont);            Acell.addelement (ACC);            Tablelogo.addcell (Acell); Document.            ADD (Tablelogo); #endregion document.            ADD (New Paragraph ("")); #region The middle table pdfptable table = new Pdfptable (list. Count + 1);//n column table.            Defaultcell.border = 0; Table. Defaultcell.horizontalalignment = element.align_center; Table.            Defaultcell.verticalalignment = Element.align_middle; Determines the number of columns and the column width if (PNS) based on the number of pictures.                Count () = = 1) {float[] widths = new float[] {2f, 3f}; Table.            Setwidths (widths); } else if (PNS.                Count () = = 2) {float[] widths = new float[] {2f, 3f, 3f}; Table.            Setwidths (widths); } else if (PNS.                Count () = = 3) {float[] widths = new float[] {2f, 3f, 3f, 3f}; Table.            Setwidths (widths); } else if (PNS.                Count () = = 4) {float[] widths = new float[] {2f, 3f, 3f, 3f, 3f}; Table.            Setwidths (widths);            }//Left cell var Leftcell = new Pdfpcell (New Paragraph ("Images", Leftfont));           Leftcell.minimumheight = 40f;            Leftcell.backgroundcolor = new Color (242, 242, 242); Leftcell.            HorizontalAlignment = Element.align_center;            Leftcell.verticalalignment = Element.align_middle; Table.            Addcell (Leftcell);            Right cell var Rightcell = new Pdfpcell ();            Rightcell.horizontalalignment = Element.align_center;            Rightcell.verticalalignment = Element.align_middle;            Rightcell.minimumheight = 40f;                foreach (var item in list) {var Imagecell = new Pdfpcell ();                imagecell.padding = 1f; Determines the left margin based on the number of pictures, ensuring that the picture is displayed in the middle. This place does not write well, temporarily such if (list.                Count = = 2) {imagecell.paddingleft = 30f; } if (list.                Count = = 1) {imagecell.paddingleft = 80f; } if (list.                Count = = 3) {imagecell.paddingleft = 10f; }//Make sure the network picture exists if (!string. IsNullOrEmpty (item. URL) && helper.isexists (item. URL + " -218.png")) {var image = ITextSharp.text.Image.GetInstance (item.                    URL + " -218.png"); if (list. Count = = 4) {image.                    Scaletofit (80f, 80f); } else {image.                    Scaletofit (100f, 100f);                } imagecell.addelement (image); } table.            Addcell (Imagecell);            }//product Title Leftcell.phrase = new Paragraph ("Product Title", Leftfont);            var titlefont = new Font (Customfont, 0.667f, Font.normal, New Color (255, 105, 0)); Table.            Addcell (Leftcell); foreach (var item in list) {rightcell.phrase = new Paragraph (item.                Title, Titlefont); Table.            Addcell (Rightcell); }//list Price leftcell.phrase = new ParagrapH ("List price", Leftfont); Table.            Addcell (Leftcell); foreach (var item in list) {rightcell.phrase = new Paragraph (item. Currency + Item.                Price, Basefont); Table.            Addcell (Rightcell);            }//part Number leftcell.phrase = new Paragraph ("part number", Leftfont); Table.            Addcell (Leftcell); foreach (var item in list) {rightcell.phrase = new Paragraph (item.                PN, Basefont); Table.            Addcell (Rightcell); }//facet var first = list.            FirstOrDefault (); foreach (var item in first.) Facets) {leftcell.phrase = new Paragraph (item.                Key, Leftfont); Table.                Addcell (Leftcell); Rightcell.phrase = new Paragraph (item.                Value, Basefont); Table.                Addcell (Rightcell); The rest of the list.                Remove (first);          var other = list;      foreach (var one in other) {rightcell.phrase = new Paragraph (one). Facets.firstordefault (o = O.key = = Item. Key).                    Value, Basefont); Table.                Addcell (Rightcell); }} document.            ADD (table);            #endregion//Footer Pdffooter footer = new Pdffooter (); Footer.            OnEndPage (PW, document); Document.            Close ();            var bytes = Memorystream.toarray ();            result = convert.tobase64string (bytes);        return result; }///<summary>///Footer class///</summary> public class Pdffooter:pdfpageeventhelper {//writ E on top of document public override void OnOpenDocument (PDFWriter writer, document document) {b Ase.            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, Max, document. Top, writer.        Directcontent);        }//write on start for each page public override void OnStartPage (PDFWriter writer, document document) {base.        OnStartPage (writer, document);            }//write on end of per 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", 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, 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, Max, document. Bottom, writer.        Directcontent);        }//write on close of document public override void OnCloseDocument (PDFWriter writer, document document) {base.        OnCloseDocument (writer, document);  }    }

　　

<summary>///        Determine if the network file exists///</summary>//        <param name= "url" ></param>        <returns></returns> public        static bool Isexists (string url)        {            try            {                using (new WebClient (). OpenRead (URL)) {}                return true;            }            catch (WebException)            {                return false;            }        }

　　

Itextsharp A simple example of generating a PDF