CSharp: itext7.* create pdf file

 

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using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Text; using iText.Kernel; using iText.IO; using iText.Html2pdf; using com.itextpdf.layout; using Common.Logging; using Common.Logging.Factory; using Org.BouncyCastle; using Org.BouncyCastle.Crypto; using Org.BouncyCastle.X509; using iText.Kernel.Font; using iText.Kernel.Pdf.Filespec; using iText.Kernel.Utils; using iText.Kernel.XMP; using iText.Kernel.XMP.Properties; using iText.IO.Font.Constants; using iText.Layout; using System.IO; using iText.Kernel.Pdf;         //PdfWriter, PdfDocument using iText.Kernel.Geom;        //PageSize using iText.Layout.Element; using iText.Layout.Properties; using iText.IO.Font; using iText.IO.Image; using iText.Kernel.Pdf.Action; using iText.Kernel.Pdf.Annot; using iText.Kernel.Pdf.Canvas; using iText.Kernel.Events;   namespace DuItexDemo {         /// <summary>     /// geovindu Geovin Du     /// 涂聚文     /// iText7.1.11     ///     /// </summary>     public partial class _Default : System.Web.UI.Page     {           string path = "Styles/SIMLI.TTF";         public PdfFont getPdfFont()         {             PdfFont pdfFont = null;             try             {                 pdfFont = PdfFontFactory.CreateFont(Server.MapPath(path), PdfEncodings.IDENTITY_H);                  // pdfFont = PdfFontFactory.CreateFont("STSong-Light", "UniGB-UCS2-H");             }             catch (Exception e)             {                 e.Message.ToString();             }             return pdfFont;         }         /// <summary>         /// geovindu         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         protected void Page_Load(object sender, EventArgs e)         {             byte[] USER_PASSWORD = Encoding.ASCII.GetBytes("geovindu"); //UTF8 ok             byte[] OWNER_PASSWORD = Encoding.ASCII.GetBytes("geovindu");             if (!IsPostBack)             {                 PdfFont sysFont = PdfFontFactory.CreateRegisteredFont("C:/Windows/Fonts/simhei.ttf");                   String mytimes = DateTime.Now.ToString("yyyyMMdd_HH_mm_ss");                 string file = Server.MapPath("geovindu" + mytimes + ".pdf");                                    // PdfWriter writer = new PdfWriter(file);                 WriterProperties w = new WriterProperties().SetStandardEncryption(USER_PASSWORD, OWNER_PASSWORD, EncryptionConstants.ALLOW_PRINTING, EncryptionConstants.ENCRYPTION_AES_128 | EncryptionConstants.DO_NOT_ENCRYPT_METADATA);                 PdfWriter writer = new PdfWriter(file,w);                       PdfDocument pdf = new PdfDocument(writer);                   //string password = "geovindu@123";                 //PdfReader reader = new PdfReader(input);                 //PdfEncryptor.Encrypt(reader, output, true, password, password, PdfWriter.ALLOW_SCREENREADERS);                   Document document = new Document(pdf, PageSize.A4.Rotate());                     //注册事件监听                 pdf.AddEventHandler(PdfDocumentEvent.END_PAGE, new DuEventHandler());                     document.SetFont(sysFont).SetFontSize(12);//设置字体大小                 //设置文档属性                 pdf.GetDocumentInfo().SetAuthor("涂聚文 C#");                 pdf.GetDocumentInfo().SetTitle("IText7 dotnet测试PDF CSharp ");                 pdf.GetDocumentInfo().SetSubject("涂聚文公司");                 pdf.GetDocumentInfo().SetMoreInfo("涂聚文", "111");                 pdf.GetDocumentInfo().SetCreator("geovindu CSharp");                 pdf.GetDocumentInfo().SetKeywords("IText涂聚文 Gevoin Du");                   //页边距                 document.SetMargins(20, 20, 20, 20);                   //简单文字                 document.Add(new Paragraph("简单文字").SetFont(getPdfFont()));                 document.Add(new Paragraph("Hello Word!").SetFont(getPdfFont()).Add(new Tab()).Add(new Text("你好！").AddStyle(new iText.Layout.Style().SetFontSize(24))));                   //简单图片                 document.Add(new Paragraph("简单图片").SetFont(getPdfFont()));                   document.Add(new iText.Layout.Element.Image(ImageDataFactory.Create(Server.MapPath("resource/geovindulogo.jpg"))));                   //简单表格                 document.Add(new Paragraph("简单表格").SetFont(getPdfFont()));                 iText.Layout.Element.Table table = new iText.Layout.Element.Table(new float[] { 3, 3, 4 });                 PdfFont font = getPdfFont();                 //标题、内容                 process(table, "姓名;年龄;电话号码", font, true);                 for (int i = 0; i < 5; i++)                 {                     process(table, "涂聚文" + i + ";" + (18 + i) + ";1500000000" + i, font, false);                 }                 document.Add(table);                   //超链接                 document.Add(new Paragraph("超链接").SetFont(getPdfFont()));                 PdfLinkAnnotation annotation = new PdfLinkAnnotation(new Rectangle(0, 0));                 annotation.SetAction(PdfAction.CreateURI("https://itextpdf.com/"));                 Paragraph p = new Paragraph("更多精彩内容，猛戳：").SetFont(getPdfFont()).Add(new Link("这里", annotation));                 document.Add(p);                   pdf.AddNewPage();                 //换一页                 document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));                 pdf.AddNewPage();                 document.Close();                 Response.Write("Ok!");             }           }         /// <summary>         /// geovindu         /// </summary>         /// <param name="table"></param>         /// <param name="line"></param>         /// <param name="font"></param>         /// <param name="isHeader"></param>         public void process(iText.Layout.Element.Table table, String line, PdfFont font, bool isHeader)         {             String[] split = line.Split(';');             foreach (String s in split) {             Cell cell = new Cell().Add(new Paragraph(s).SetFont(font));                 if (isHeader)                 {                     table.AddHeaderCell(cell);                 }                 else                 {                     table.AddCell(cell);               }            }         }         /// <summary>         /// geoivndu         /// </summary>         /// <param name="pdfBase64"></param>         /// <param name="passwordUser"></param>         /// <param name="passwordOwner"></param>         /// <returns></returns>         public static string EncryptPDFwithPassword(string pdfBase64, string passwordUser, string passwordOwner)         {             var encryptedBase64 = string.Empty;             var srcBytes = Convert.FromBase64String(pdfBase64);             var userPassword = Encoding.ASCII.GetBytes(passwordUser);             var ownerPassword = Encoding.ASCII.GetBytes(passwordOwner);               PdfReader reader = new PdfReader(new MemoryStream(srcBytes));             WriterProperties props = new WriterProperties()                     .SetStandardEncryption(userPassword, ownerPassword, EncryptionConstants.ALLOW_PRINTING,                             EncryptionConstants.ENCRYPTION_AES_128 | EncryptionConstants.DO_NOT_ENCRYPT_METADATA);               using (var memoryStream = new MemoryStream())             {                 PdfWriter writer = new PdfWriter(memoryStream, props);                 PdfDocument pdfDoc = new PdfDocument(reader, writer);                 pdfDoc.Close();                 encryptedBase64 = Convert.ToBase64String(memoryStream.ToArray());             }               return encryptedBase64;         }           /// <summary>         /// geovindu         /// </summary>         /// <param name="outFile"></param>         /// <param name="htmlDoc"></param>         private void HTML2PDF(string outFile, string htmlDoc) {             System.IO.FileInfo fi = new FileInfo( outFile );                PdfWriter writer = new PdfWriter( fi );                           //用法1 -- 使用默认参数直接转换（A4，）             //HtmlConverter.ConvertToPdf(htmlDoc, writer);                            //用法2 -- 自定义页面大小、留白尺寸             PdfDocument pdf = new PdfDocument( writer );             PageSize a6 = PageSize.A6;             a6.ApplyMargins(20, 20, 20, 20, false);     //if true the rectangle will expand, otherwise it will shrink             pdf.SetDefaultPageSize( a6 );             ConverterProperties prop= new ConverterProperties();                HtmlConverter.ConvertToPdf(htmlDoc, pdf, prop);                       }         } }