public static void Html2Pdf(string htmlText, string tempPdfPath, string paperName, string direction)
{
if (string.IsNullOrEmpty(htmlText))
{
throw new Exception("传入的html无内容：" + htmlText);
}
MemoryStream outputStream = new MemoryStream(); //实例化MemoryStream，用于存PDF
byte[] data = Encoding.UTF8.GetBytes(htmlText); //字串转成byte[]
MemoryStream msInput = new MemoryStream(data);
paperName = paperName ?? "A4";
int width = 0, height = 0;
PrintUtils.getPaperSize(paperName, ref width, ref height);
Rectangle pageSize = new Rectangle(width, height); //设置pdf模板大小
if (direction == "2") //2：横向打印
{
pageSize = new Rectangle(height, width);
}
Document doc = new Document(pageSize); //要写PDF的文件 document = new Document(PageSize.A4, 25, 25, 30, 30);
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
//指定文件预设开档时的缩放为100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//开启Document文件
doc.Open();
//使用XMLWorkerHelper把Html parse到PDF档里
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
//XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8);
//将pdfDest设定的资料写到PDF档
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
outputStream.Close();
//回传PDF档案
var bytes = outputStream.ToArray();
var ret = Convert.ToBase64String(bytes);
try
{
string strbase64 = ret;
strbase64 = strbase64.Replace(' ', '+');
System.IO.MemoryStream stream = new System.IO.MemoryStream(Convert.FromBase64String(strbase64));
System.IO.FileStream fs = new System.IO.FileStream(tempPdfPath, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Write);
byte[] b = stream.ToArray();
//byte[] b = stream.GetBuffer();
fs.Write(b, 0, b.Length);
fs.Close();
}
catch (Exception ex)
{
}
}
/// <summary>
/// 将html文本输出到pdf文档中
/// </summary>
/// <param name="fileName">pdf文档完整路径</param>
/// <param name="htmlText">html文档</param>
/// <returns></returns>
private static Result convertHtmlTextToPDF(string fileName, string htmlText)
{
Result model = new Result();
try
{
MemoryStream outputStream = new MemoryStream();
byte[] data = Encoding.UTF8.GetBytes(htmlText);
MemoryStream msInput = new MemoryStream(data);
Document doc = new Document();
PdfWriter writer = PdfWriter.GetInstance(doc, new FileStream(fileName, FileMode.Create));
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
doc.Open();
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new PDFChineseFontFactory());
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
outputStream.Close();
model.Flag = true;
model.Message = fileName;
}
catch (Exception ex)
{
model.Flag = false;
model.Message = ex.Message;
}
return(model);
}
public void Complete()
{
int viewerPreferences = 0;
// Open bookmark panel when displaying
if (displayPdf.PageModeUseOutlines)
{
viewerPreferences |= PdfWriter.PageModeUseOutlines;
}
// Set page layout
switch (displayPdf.PageLayout)
{
case PageLayout.SinglePage:
viewerPreferences |= PdfWriter.PageLayoutSinglePage;
break;
case PageLayout.OneColumn:
viewerPreferences |= PdfWriter.PageLayoutOneColumn;
break;
}
copy.ViewerPreferences = viewerPreferences;
// Fit to page height when displayed
var dest = new PdfDestination(PdfDestination.FITV);
var action = PdfAction.GotoLocalPage(1, dest, copy);
copy.SetOpenAction(action);
SetProperty();
ChangeBookmark(rootBookmarks);
copy.Outlines = rootBookmarks;
}
// ---------------------------------------------------------------------------
/**
* Manipulates a PDF file src with the file dest as result
* @param src the original PDF
*/
public byte[] ManipulatePdf(byte[] src)
{
// Create the reader
PdfReader reader = new PdfReader(src);
int n = reader.NumberOfPages;
using (MemoryStream ms = new MemoryStream())
{
// Create the stamper
using (PdfStamper stamper = new PdfStamper(reader, ms))
{
// Make a list with all the possible actions
actions = new List <PdfAction>();
PdfDestination d;
for (int i = 0; i < n;)
{
d = new PdfDestination(PdfDestination.FIT);
actions.Add(PdfAction.GotoLocalPage(++i, d, stamper.Writer));
}
// Add a navigation table to every page
PdfContentByte canvas;
for (int i = 0; i < n;)
{
canvas = stamper.GetOverContent(++i);
CreateNavigationTable(i, n).WriteSelectedRows(0, -1, 696, 36, canvas);
}
}
return(ms.ToArray());
}
}
public Chap1105()
{
Console.WriteLine("Chapter 11 example 5: Open action");
// step 1: creation of a document-object
Document document = new Document(PageSize.A4, 50, 50, 50, 50);
try
{
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a file
PdfWriter writer = PdfWriter.GetInstance(document, new FileStream("Chap1105.pdf", FileMode.Create));
// step 3: we open the document
document.Open();
// step 4: we add content
PdfAction action = PdfAction.GotoLocalPage(2, new PdfDestination(PdfDestination.XYZ, -1, 10000, 0), writer);
writer.SetOpenAction(action);
document.Add(new Paragraph("Page 1"));
document.NewPage();
document.Add(new Paragraph("Page 2"));
}
catch (Exception de)
{
Console.Error.WriteLine(de.Message);
Console.Error.WriteLine(de.StackTrace);
}
// step 5: we close the document
document.Close();
}
public byte[] ConvertHtmlTextToPDF(string htmlText)
{
if (string.IsNullOrEmpty(htmlText))
{
return(null);
}
//避免當htmlText無任何html tag標籤的純文字時，轉PDF時會掛掉，所以一律加上<p>標籤
htmlText = "<p>" + htmlText + "</p>";
//System.IO.MemoryStream
MemoryStream outputStream = new MemoryStream(); //要把PDF寫到哪個串流
byte[] data = Encoding.UTF8.GetBytes(htmlText); //字串轉成byte[]
MemoryStream msInput = new MemoryStream(data);
Document doc = new Document(); //要寫PDF的文件，建構子沒填的話預設直式A4
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
//指定文件預設開檔時的縮放為100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//開啟Document文件
doc.Open();
//使用XMLWorkerHelper把Html parse到PDF檔裡
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
//將pdfDest設定的資料寫到PDF檔
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
outputStream.Close();
//回傳PDF檔案
return(outputStream.ToArray());
}
public byte[] ConvertHtmlTextToPDF(string htmltext)
{
if (string.IsNullOrEmpty(htmltext))
{
return(null);
}
//避免htmlText没有任何html tag标签的純文字时，转PDF时会挂掉，所以一律加上<p>标签
//htmlText = "<p>" + htmltext + "</p>";
MemoryStream stream = new MemoryStream();
byte[] data = Encoding.UTF8.GetBytes(htmltext);
MemoryStream msInput = new MemoryStream(data);
Document doc = new Document();
PdfWriter writer = PdfWriter.GetInstance(doc, stream);
//指定文件默认缩放标准100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
doc.Open();
//使用XMLWorkerHelper把Html parse到PDF
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
//將pdfDest 写入到PDF
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
stream.Close();
//回传PDF
return(stream.ToArray());
}
/// <summary>
/// 注意事项
/// 1:html标签必须闭合，符合规范
/// 2:目前暂不支持link样式导入，只能写style
/// 使用示例：
/// WebClient wc = new WebClient();
/// 从网址下载Html字串
/// string htmlText = wc.DownloadString("http://localhost:6953/test.html");
/// byte[] pdfFile = PdfHelper.ConvertHtmlTextToPdf(htmlText);
/// return File(pdfFile, "application/pdf", "测试.pdf");
/// </summary>
/// <param name="htmlText">html格式的字符串</param>
/// <returns></returns>
public static byte[] ConvertHtmlTextToPdf(string htmlText)
{
if (string.IsNullOrEmpty(htmlText))
{
return(null);
}
//避免当htmlText无任何html tag标签的纯文字时，转PDF时会挂掉，所以一律加上<p>标签
htmlText = "<p>" + htmlText + "</p>";
MemoryStream outputStream = new MemoryStream(); //要把PDF写到哪个串流
byte[] data = Encoding.UTF8.GetBytes(htmlText); //字串转成byte[]
MemoryStream msInput = new MemoryStream(data);
Document doc = new Document(); //要写PDF的文件，建构子没填的话预设直式A4
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
//指定文件预设开档时的缩放为100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//开启Document文件
doc.Open();
//使用XMLWorkerHelper把Html parse到PDF档里
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
//将pdfDest设定的资料写到PDF档
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
outputStream.Close();
//回传PDF档案
return(outputStream.ToArray());
}
public static string Combine(string[] files, string pdfFileName)
{
if (!files.Any())
{
return("empty");
}
string outputPdfPath = Path.Combine(new DirectoryInfo(files[0]).Parent.Parent.FullName, pdfFileName + ".pdf");
try
{
using (FileStream stream = new FileStream(outputPdfPath, FileMode.Create))
using (Document doc = new Document())
using (PdfCopy pdf = new PdfCopy(doc, stream))
{
doc.Open();
doc.AddTitle(pdfFileName);
/*
* doc.NewPage();
* doc.Add(new Paragraph(pdfFileName));
* doc.Add(new Paragraph("power by "));
* Anchor anchor = new Anchor("html2pdf");
* anchor.Reference = "https://github.com/xiangwan/html2pdf";
* doc.Add(anchor);*/
var rootOutline = pdf.RootOutline;
PdfReader reader = null;
PdfImportedPage page = null;
PdfContentByte cb = pdf.DirectContent;
PdfWriter wrt = cb.PdfWriter;
var pageIndex = 1;
files.ToList().ForEach(file =>
{
reader = new PdfReader(file);
var n = reader.NumberOfPages;
for (int i = 0; i < n; i++)
{
page = pdf.GetImportedPage(reader, i + 1);
pdf.AddPage(page);
}
var title = new FileInfo(file).Name.Replace(".pdf", "");
var oline = new PdfOutline(rootOutline,
PdfAction.GotoLocalPage(pageIndex, new PdfDestination(pageIndex), wrt), title);
rootOutline.AddKid(oline);
pageIndex += n;
pdf.FreeReader(reader);
reader.Close();
});
}
}
catch (Exception ex)
{
logger.Error(ex);
return("error." + ex.Message);
}
return("ok");
}
private void addBookmark(PdfReader reader)
{
var subject = getSubject(reader);
var rootOutline = _writer.DirectContent.RootOutline;
var name = Guid.NewGuid().ToString();
_document.Add(new Chunk(" ").SetLocalDestination(name));
new PdfOutline(rootOutline, PdfAction.GotoLocalPage(name, false), subject);
_writer.ViewerPreferences = PdfWriter.PageModeUseOutlines;
}
private int CreateTableOfContent(PdfTableOfContent toc, PdfWriter writer, Document doc, bool reorderPage)
{
var numberOfPageBeforeInsertTOC = writer.PageNumber;
doc.SetPageSize(PageSize.A4);
doc.SetMargins(36, 36, 36, 36);
doc.NewPage();
Paragraph p;
PdfAction action = new PdfAction(PdfAction.FIRSTPAGE);
PdfAnnotation link;
if (!String.IsNullOrEmpty(toc.TitreDocument))
{
p = new Paragraph(toc.TitreDocument, fontTitrePrincipal);
p.Alignment = Element.ALIGN_CENTER;
doc.Add(p);
// Un espace ? peut mieux faire peut etre...
doc.Add(new Paragraph(" "));
}
foreach (var content in toc.Contents)
{
// action = PdfAction.GotoLocalPage("p" + content.RealPage, new PdfDestination(PdfDestination.XYZ, 0f, PageSize.A4.Top, 0f), writer);
action = PdfAction.GotoLocalPage("p" + content.RealPage, false);
p = new Paragraph(content.Titre, fontText);
p.Add(new Chunk(new DottedLineSeparator()));
p.Add(new Chunk(content.PageNumber.ToString(), fontText));
float topY = writer.GetVerticalPosition(false);
doc.Add(p);
float bottomYY = writer.GetVerticalPosition(false);
if (bottomYY > topY) // on a changé de page
{
topY = _docContent.Top;
}
link = new PdfAnnotation(writer, doc.Left, bottomYY, doc.Right, topY, action);
writer.AddAnnotation(link);
}
var numberOfPage = writer.PageNumber;
if (reorderPage)
{
doc.NewPage();
var reorderArray = Enumerable.Range(numberOfPageBeforeInsertTOC + 1, numberOfPage - numberOfPageBeforeInsertTOC)
.Concat(Enumerable.Range(1, numberOfPageBeforeInsertTOC)).ToArray();
writer.ReorderPages(reorderArray);
}
return(numberOfPage);
}
private void Visit(PdfOutline parentOutline, OutlineNode node)
{
if (node == null)
{
return;
}
var counterString = Path(node);
var thisOutline = new PdfOutline(parentOutline, PdfAction.GotoLocalPage(counterString, false), node.Title.ToString());
Visit(thisOutline, node.FirstChild());
Visit(parentOutline, node.NextSibling());
}
private void setInitialDocumentZoomPercent()
{
if (PageSetup.ViewerPreferences == null)
{
return;
}
var zoom = PageSetup.ViewerPreferences.ZoomPercent.ApproxEquals(0) ? 1 : PageSetup.ViewerPreferences.ZoomPercent / 100;
var pdfDest = new PdfDestination(PdfDestination.XYZ, 0, PdfDoc.PageSize.Height, zoom);
var action = PdfAction.GotoLocalPage(1, pdfDest, PdfWriter);
PdfWriter.SetOpenAction(action);
}
/// <summary>
/// <para>(ESP) Este metodo es recursivo, se encarga de asignar los bookmarks y asignarles su parent</para>
/// <para>(ENG) this method is recursive, assign the parent for each file</para>
/// </summary>
/// <param name="doc">
/// <para>(ESP) Este es el documento actual</para>
/// <para>(ENG) this is the current document</para>
/// </param>
/// <param name="pdfCopy">
/// <para>(ESP)es el documento que hará el smart copy</para>
/// <para>(ENG) this is the pdfsmartcopy for the append another pdf</para>
/// </param>
/// <param name="marcadorNombreLibro">
/// <para>(ESP) este es el parent</para>
/// <para>(ENG) this is the parent</para>
/// </param>
/// <param name="enlace">
/// <para>(ESP) Esta es la estructura del documento, donde contiene nombre y url del documento</para>
/// <para>(ENG) This is the structure's document, this contains the name and url's file </para>
/// </param>
/// <param name="rutaPDFs">
/// <para>(ESP)Es donde se generan los documentos</para>
/// <para>(ENG)Its the path for create the files</para>
/// </param>
public static void GenerarHijosEstructura(Document doc, PdfSmartCopy pdfCopy, PdfOutline marcadorNombreLibro, Modelo.POCOs.EstructuraPDF enlace, string rutaPDFs)
{
try
{
PdfContentByte pb = pdfCopy.DirectContent;
//Crea el link para la sección
Anchor section1 = new Anchor(enlace.Nombre)
{
Name = enlace.Nombre
};
Paragraph psecton1 = new Paragraph();
psecton1.Add(section1);
//mostrar la sección 1 en una ubicación específica del documento
ColumnText.ShowTextAligned(pb, Element.ALIGN_LEFT, psecton1, 36, PageSize.A4.Height - 100, 0);
//(ESP) Se crea el marcador para este documento, se hace referencia al documento padre (parent)
//(ENG) create the bookmark for this document, and create the reference with the parent
var mbot = new PdfOutline(marcadorNombreLibro, PdfAction.GotoLocalPage(enlace.Nombre, false), enlace.Nombre);
//(ESP) Se lee el documento
//(ENG) read the file
PdfReader reader = new PdfReader(enlace.UrlDocumento);
//(ESP) Se adjuntan las paginas al documento
//(ENG) Copy each page in the current pdfcopy
for (int I = 1; I <= reader.NumberOfPages; I++)
{
doc.SetPageSize(reader.GetPageSizeWithRotation(1));
PdfImportedPage page = pdfCopy.GetImportedPage(reader, I);
pdfCopy.AddPage(page);
}
//Clean up
pdfCopy.FreeReader(reader);
reader.Close();
if (enlace.Hijos.Any())
{
foreach (var cadaHijo in enlace.Hijos)
{
//(ESP) aquí está la clave, esto es recurisvo
//(ENG) this is the magic, its recursive
GenerarHijosEstructura(doc, pdfCopy, mbot, cadaHijo, rutaPDFs);
}
}
}
catch (Exception error)
{
}
}
//public static string WebResult(string Server, int PurchaseRequestID)
//{
// string _path = "/Purchase/PRForm?PurchaseRequestID=" + PurchaseRequestID;
// WebClient _wc = new WebClient();
// _wc.Encoding=Encoding.UTF8;
// string _content = _wc.DownloadString(_path);
// return _content;
//}
private static byte[] Html2PDF(string Content, string BussinessType)
{
//return null;
if (string.IsNullOrEmpty(Content))
{
return(null);
}
MemoryStream oStream = new MemoryStream();
byte[] data = Encoding.UTF8.GetBytes(Content);
MemoryStream iStream = new MemoryStream(data);
Document doc = new Document(PageSize.A4, 25, 25, 100, 50);
PdfWriter writer = PdfWriter.GetInstance(doc, oStream);
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
doc.Open();
#region 页眉页脚
switch (BussinessType)
{
case "PO":
writer.PageEvent = new HeaderAndFooterEvent();
HeaderAndFooterEvent.PAGE_NUMBER = true;
HeaderAndFooterEvent.tpl = writer.DirectContent.CreateTemplate(0, 0);
break;
case "QR":
break;
}
#endregion
try
{
//doc.Add(_image);
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, iStream, null, Encoding.UTF8, new UnicodeFontFactory());
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
}
catch (Exception ex)
{
throw ex;
}
finally
{
iStream.Close();
oStream.Close();
}
return(oStream.ToArray());
}
public void AddBookContents(PdfWriter writer, PdfOutline outline, BookContentNode content)
{
foreach (BookContentNode contentnode in content.Children)
{
int page = contentnode.Bookcontent.Page;
if (page > _book.PagesNum)
{
break;
}
page += _frontpagesinfo.DownloadedPages;
PdfAction action = PdfAction.GotoLocalPage(page, new PdfDestination(PdfDestination.FITB), writer);
AddBookContents(writer, new PdfOutline(outline, action, contentnode.Bookcontent.Title), contentnode);
}
}
private static bool GeneratePdf(string htmlText, string fileFullName, string watermarkText, PdfFont font)
{
if (string.IsNullOrEmpty(htmlText))
{
return(false);
}
htmlText = "<p>" + htmlText + "</p>";
var document = new Document();
var writer = PdfWriter.GetInstance(document, new FileStream(fileFullName, FileMode.Create));
if (!string.IsNullOrEmpty(watermarkText))
{
writer.PageEvent = new PdfWatermarkPageEvent(watermarkText);
}
document.Open();
//pipeline
var htmlContext = new HtmlPipelineContext(null);
htmlContext.SetTagFactory(Tags.GetHtmlTagProcessorFactory());
htmlContext.SetImageProvider(new ChannelImageProvider());
htmlContext.SetCssAppliers(new CssAppliersImpl(GetFontProviderBy(font)));
var cssResolver = XMLWorkerHelper.GetInstance().GetDefaultCssResolver(true);
var pipeline = new CssResolverPipeline(cssResolver,
new HtmlPipeline(htmlContext, new PdfWriterPipeline(document, writer)));
//parse
byte[] data = Encoding.UTF8.GetBytes(htmlText);
var msInput = new MemoryStream(data);
var worker = new XMLWorker(pipeline, true);
var parser = new XMLParser(worker);
parser.Parse(msInput); //XMLWorkerHelper.GetInstance().ParseXHtml(..)
var pdfDest = new PdfDestination(PdfDestination.XYZ, 0, document.PageSize.Height, 1f);
var action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
//close
document.Close();
msInput.Close();
return(true);
}
public static void TestCreatePDF1()
{
try
{
Document document = new Document();
FileStream objFileStream = new System.IO.FileStream("Output.pdf", System.IO.FileMode.Create);
PdfWriter writer = PdfWriter.GetInstance(document,
objFileStream);
document.Open();
document.AddDocListener(writer);
PdfReader reader = new PdfReader("Input.pdf");
Document inputDocument = null;
PdfCopy pdfCopyProvider = null;
inputDocument = new Document(reader.GetPageSizeWithRotation(1));
pdfCopyProvider = new PdfCopy(inputDocument,
objFileStream);
inputDocument.Open();
PdfImportedPage importedPage = null;
importedPage = pdfCopyProvider.GetImportedPage(reader, 1);
pdfCopyProvider.Add(new Chunk("Chapter 1").SetLocalDestination("1"));
pdfCopyProvider.AddPage(importedPage);
// Code 2
PdfContentByte cb = writer.DirectContent;
PdfOutline root = cb.RootOutline;
// Code 3
PdfOutline oline1 = new PdfOutline(root,
PdfAction.GotoLocalPage(1, new iTextSharp.text.pdf.PdfDestination(iTextSharp.text.pdf.PdfDestination.FITH), writer),
"Chapter 1");
reader.Close();
//writer.Close();
inputDocument.Close();
//objFileStream.Close();
//document.Close();
}
catch (Exception ex)
{
}
}
public static Paragraph AddHypperLink(string name, int page, PdfWriter writer)
{
Chunk dottedLine = new Chunk(new DottedLineSeparator());
Chunk chunk = new Chunk(FontPolishChunk(name));
Chunk pageNumber = new Chunk($"{page}");
PdfAction action = PdfAction.GotoLocalPage(page, new PdfDestination(0), writer);
chunk.SetAction(action);
dottedLine.SetAction(action);
pageNumber.SetAction(action);
Paragraph pas = new Paragraph(chunk);
pas.Add(dottedLine);
pas.Add(pageNumber);
return(pas);
}
public void createPdf(String dest)
{
FileStream fs = new FileStream(dest, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);
Document document = new Document(PageSize.LETTER);
PdfWriter writer = PdfWriter.GetInstance(document, fs);
document.Open();
TOCEvent evento = new TOCEvent();
writer.PageEvent = evento;
for (int i = 0; i < 10; i++)
{
String title = "This is title " + i;
Chunk c = new Chunk(title, new Font());
c.SetGenericTag(title);
document.Add(new Paragraph(c));
for (int j = 0; j < 50; j++)
{
document.Add(new Paragraph("Line " + j + " of title " + i + " page: " + writer.PageNumber));
}
}
document.NewPage();
document.Add(new Paragraph("Table of Contents", new Font()));
Chunk dottedLine = new Chunk(new DottedLineSeparator());
List <PageIndex> entries = evento.getTOC();
MultiColumnText columns = new MultiColumnText();
columns.AddRegularColumns(72, 72 * 7.5f, 24, 2);
Paragraph p;
for (int i = 0; i < 10; i++)
{
foreach (PageIndex pageIndex in entries)
{
Chunk chunk = new Chunk(pageIndex.Text);
chunk.SetAction(PdfAction.GotoLocalPage(pageIndex.Name, false));
p = new Paragraph(chunk);
p.Add(dottedLine);
chunk = new Chunk(pageIndex.Page.ToString());
chunk.SetAction(PdfAction.GotoLocalPage(pageIndex.Name, false));
p.Add(chunk);
columns.AddElement(p);
}
}
document.Add(columns);
document.Close();
}
private void PDFCombinePage(PdfOutline parent,
Data.ONPage page)
{
if (page == null)
{
throw new ArgumentNullException("page");
}
PdfReader reader = new PdfReader(page.PDFFilePath);
Log.Information(string.Format("Import file {0}", page.PDFFilePath));
// we retrieve the total number of pages
int n = reader.NumberOfPages;
PdfContentByte cb = pdfWriter.DirectContent;
PdfImportedPage impportPage;
int rotation;
int i = 0;
while (i < n)
{
i++;
pdfDocument.SetPageSize(reader.GetPageSizeWithRotation(i));
pdfDocument.NewPage();
impportPage = pdfWriter.GetImportedPage(reader, i);
rotation = reader.GetPageRotation(i);
if (rotation == 90 || rotation == 270)
{
cb.AddTemplate(impportPage, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);
}
else
{
cb.AddTemplate(impportPage, 1f, 0, 0, 1f, 0, 0);
}
if (i == 1)
{
// set outline action at first page
PdfAction action = PdfAction.GotoLocalPage(pdfWriter.CurrentPageNumber, new PdfDestination(PdfDestination.FITH, 806), pdfWriter);
PdfOutline gotoPage = new PdfOutline(parent, action, page.Name);
//TODO: fix this // pdfWriter.DirectContent.AddOutline(gotoPage,gotoPage.Title);
}
}
pdfWriter.FreeReader(reader);
}
/// <summary>
/// Creates just the TOC page.
/// </summary>
/// <param name="inputPdf">The pdf to read from.</param>
/// <param name="outputPdf">The toc pdf.</param>
/// <param name="pageTOC">Page number for TOC page.</param>
/// <param name="pageStart">The start of Contents for TOC.</param>
/// <param name="pageEnd">The end of contents for TOC.</param>
public static void CreateTOCPage(string inputPdf, string outputPdf, int pageTOC, int pageStart, int pageEnd)
{
//Bind a reader to our input file
using (PdfReader reader = new PdfReader(inputPdf))
{
using (FileStream fs = new FileStream(outputPdf, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None))
{
using (Document doc = new Document(reader.GetPageSizeWithRotation(1)))
{
PdfWriter writer = PdfWriter.GetInstance(doc, fs);
doc.Open();
//Create the list of pageIndex manulally.
List <PageIndex> toc = new List <PageIndex>();
for (int i = pageStart; i <= pageEnd; i++)
{
String text = GetContentsTextFromPage(inputPdf, i);
toc.Add(new PageIndex()
{
Text = text, Name = "dest" + (i), Page = i
});
}
doc.NewPage();
Chunk dottedLine = new Chunk(new DottedLineSeparator());
Paragraph p;
foreach (PageIndex pageIndex in toc)
{
Chunk chunk = new Chunk(pageIndex.Text);
chunk.SetAction(PdfAction.GotoLocalPage(pageIndex.Name, false));
p = new Paragraph(chunk)
{
dottedLine
};
chunk = new Chunk(pageIndex.Page.ToString());
chunk.SetAction(PdfAction.GotoLocalPage(pageIndex.Name, false));
p.Add(chunk);
doc.Add(p);
}
}
}
}
}
private void PDFCombineSection(PdfOutline parent,
Data.ONSection section)
{
if (section == null)
{
throw new ArgumentNullException("section");
}
if (section.Exclude)
{
return;
}
PdfOutline gotoPage = null;
int currentPage = (pdfWriter.CurrentPageNumber == 1) ? pdfWriter.CurrentPageNumber : (pdfWriter.CurrentPageNumber + 1);
PdfAction action = PdfAction.GotoLocalPage(currentPage, new PdfDestination(PdfDestination.FITH, 806), pdfWriter);
gotoPage = new PdfOutline(parent, action, section.Name);
pdfWriter.DirectContent.AddOutline(gotoPage);
foreach (Data.ONSection subSection in section.SubSections)
{
if (!subSection.Exclude)
{
TOCHandler.AddTocEntry(subSection.Name, pdfWriter.CurrentPageNumber);
TOCHandler.BeginTocEntry();
PDFCombineSection(gotoPage, subSection);
TOCHandler.EndTocEntry();
}
}
foreach (Data.ONPage page in section.Pages)
{
if (pdfWriter.CurrentPageNumber == 1)
{
TOCHandler.AddTocEntry(page.Name, pdfWriter.CurrentPageNumber);
}
else
{
TOCHandler.AddTocEntry(page.Name, pdfWriter.CurrentPageNumber + 1);
}
PDFCombinePage(gotoPage, page);
}
}
// ---------------------------------------------------------------------------
/**
* Manipulates a PDF file src with the file dest as result (localhost)
* @param src the original PDF
*/
public byte[] ManipulatePdf(byte[] src)
{
// Create the reader
PdfReader reader = new PdfReader(src);
int n = reader.NumberOfPages;
using (MemoryStream ms = new MemoryStream())
{
// Create the stamper
using (PdfStamper stamper = new PdfStamper(reader, ms))
{
// Get the writer (to add actions and annotations)
PdfWriter writer = stamper.Writer;
PdfAction action = PdfAction.GotoLocalPage(2,
new PdfDestination(PdfDestination.FIT), writer
);
writer.SetOpenAction(action);
action = PdfAction.JavaScript(
"app.alert('Think before you print');", writer
);
writer.SetAdditionalAction(PdfWriter.WILL_PRINT, action);
action = PdfAction.JavaScript(
"app.alert('Think again next time!');", writer
);
writer.SetAdditionalAction(PdfWriter.DID_PRINT, action);
action = PdfAction.JavaScript(
"app.alert('We hope you enjoy the festival');", writer
);
writer.SetAdditionalAction(PdfWriter.DOCUMENT_CLOSE, action);
action = PdfAction.JavaScript(
"app.alert('This day is reserved for people with an accreditation "
+ "or an invitation.');",
writer
);
stamper.SetPageAction(PdfWriter.PAGE_OPEN, action, 1);
action = PdfAction.JavaScript(
"app.alert('You can buy tickets for all the other days');", writer
);
stamper.SetPageAction(PdfWriter.PAGE_CLOSE, action, 1);
}
return(ms.ToArray());
}
}
/// <summary>
/// 将Html文字 输出到PDF档里
/// </summary>
/// <param name="htmlText">html文本</param>
/// <param name="param">pdf大小</param>
/// <param name="waterMark">水印</param>
/// <param name="stampPoint">模拟盖章</param>
/// <returns></returns>
public static byte[] ConvertHtmlTextToPdf(string htmlText, DocumentParam param, WatermarkSetting waterMark = null, StampPoint stampPoint = null)
{
if (string.IsNullOrEmpty(htmlText))
{
return(null);
}
//避免当htmlText无任何html tag标签的纯文字时，转PDF时会挂掉，所以一律加上<p>标签
htmlText = "<p>" + htmlText + "</p>";
MemoryStream outputStream = new MemoryStream(); //要把PDF写到哪个串流
byte[] data = Encoding.UTF8.GetBytes(htmlText.ToCharArray()); //字串转成byte[]
MemoryStream msInput = new MemoryStream(data);
Document doc = new Document(param.PageSize, param.MarginLeft, param.MarginRight, param.MarginTop, param.MarginBottom);; //要写PDF的文件，建构子没填的话预设直式A4
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
//writer.SetViewerPreferences(PdfWriter.HideMenubar | PdfWriter.HideToolbar);
//指定文件预设开档时的缩放为100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//开启Document文件
doc.Open();
if (stampPoint != null && !string.IsNullOrEmpty(stampPoint.Path))
{
var img = Image.GetInstance(stampPoint.Path);
img.SetAbsolutePosition(doc.PageSize.Width - img.Width - stampPoint.X, img.Height + stampPoint.Y);
doc.Add(img);
}
//使用XMLWorkerHelper把Html parse到PDF档里
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
//XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8);
//将pdfDest设定的资料写到PDF档
var action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
outputStream.Close();
return(SetWatermark(waterMark, outputStream.ToArray()));
}
public string Print(List <string> labelList)
{
if (!Directory.Exists("out-labels-A4"))
{
Directory.CreateDirectory("out-labels-A4");
}
labelList = AdjustCount(labelList);
var outputPath = string.Format("{0}\\{1:dd_MM_yyyy_hh_mm_ss}.pdf", "out-labels-A4", DateTime.Now);
Document document = new Document(PageSize.A4, 25, 25, 65, 0);
var writer = PdfWriter.GetInstance(document, new FileStream(outputPath, FileMode.Create));
document.AddTitle("Barcode generator");
document.AddAuthor("Dipak Baba");
document.AddCreator("http://www.sangeetacollection.com");
document.Open();
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, 0, 0.92f);
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
PdfPTable table = new PdfPTable(4);
table.HorizontalAlignment = Element.ALIGN_LEFT;
table.WidthPercentage = 100;
table.DefaultCell.Border = Rectangle.NO_BORDER;
foreach (var item in labelList)
{
table.AddCell(CreateImageCell(item));
}
document.Add(table);
document.Close();
return(outputPath);
}
/// <summary>
/// 将html转化为PDF的字节流
/// </summary>
/// <param name="html">原始Html</param>
/// <param name="message">转化信息</param>
/// <returns>返回PDF的字节流</returns>
public static byte[] FromHTMLtoPDF(string html, out string message)
{
Document document = new Document();
MemoryStream m = new MemoryStream();
MemoryStream stream = new MemoryStream();
byte[] bytes = null;
try
{
PdfWriter writer = PdfWriter.GetInstance(document, m);
document.Open();
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, document.PageSize.Height, 1f);
Encoding charset = Encoding.GetEncoding("gb2312");
byte[] data = charset.GetBytes(html);
stream.Write(data, 0, data.Length);
stream.Position = 0;
XMLWorkerHelper.GetInstance().ParseXHtml(writer, document, stream, null, charset, new UnicodeFontFactory());
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
document.Close();
bytes = m.GetBuffer();
message = "100|成功";
}
catch (Exception e)
{
string err = "Invalid nested tag body found";
if (e.Message.Contains(err))
{
message = "102|html元素没有闭合标签";
}
else
{
message = "102|将html转换为pdf出错！";
}
}
finally
{
stream.Close();
m.Close();
}
return(bytes);
}
public byte[] ConvertHtmlTextToPDF(string htmlText, string styleCss)
{
if (string.IsNullOrEmpty(htmlText))
{
return(null);
}
//避免当htmlText无任何html tag标签的纯文字时，转PDF时会挂掉，所以一律加上<p>标签
htmlText = "<p>" + htmlText + "</p>";
MemoryStream outputStream = new MemoryStream(); //要把PDF写到哪个串流
byte[] data = Encoding.UTF8.GetBytes(htmlText); //字串转成byte[]
MemoryStream msInput = new MemoryStream(data);
byte[] dataCss = Encoding.UTF8.GetBytes(styleCss);//字串转成byte[]
MemoryStream cssStream = new MemoryStream(dataCss);
Document doc = new Document();//要写PDF的文件，建构子没填的话预设直式A4
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//开启Document文件
doc.Open();
//HeaderAndFooterEvent header = new HeaderAndFooterEvent();
//header.tpl = writer.DirectContent.CreateTemplate(100, 100);
//writer.PageEvent = header;
//使用XMLWorkerHelper把Html parse到PDF档里
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, cssStream, Encoding.UTF8, new UnicodeFontFactory());
//将pdfDest设定的资料写到PDF档
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
cssStream.Close();
outputStream.Close();
//回传PDF档案
return(outputStream.ToArray());
}
private static PdfPTable GenerateTableOfContents(PdfEvents tocEvent, PdfStamper stamper, int tocSize)
{
var tableOfContents = new PdfPTable(2);
tableOfContents.SetWidths(new[] { 10, 1 });
tableOfContents.WidthPercentage = 100;
tableOfContents.DefaultCell.Border = Rectangle.NO_BORDER;
foreach (var item in tocEvent.Toc)
{
tableOfContents.DefaultCell.HorizontalAlignment = Element.ALIGN_LEFT;
tableOfContents.DefaultCell.PaddingLeft = 10 * (item.Level - 1);
Font font;
if (item.Level == 0)
{
tableOfContents.DefaultCell.PaddingBottom = 10;
tableOfContents.DefaultCell.PaddingTop = 10;
font = PdfFonts.Bold;
}
else
{
tableOfContents.DefaultCell.PaddingBottom = 2;
tableOfContents.DefaultCell.PaddingTop = 2;
font = PdfFonts.Normal;
}
var chunk = new Chunk(item.Title, font);
var action = PdfAction.GotoLocalPage(item.Page, new PdfDestination(PdfDestination.FIT), stamper.Writer);
chunk.SetAction(action);
tableOfContents.AddCell(new Phrase(chunk));
tableOfContents.DefaultCell.PaddingLeft = 0;
tableOfContents.DefaultCell.HorizontalAlignment = Element.ALIGN_RIGHT;
chunk = new Chunk(string.Format("{0}", item.Page + tocSize), font);
tableOfContents.AddCell(new Phrase(chunk));
}
return(tableOfContents);
}
/// <summary>
/// 將Html文字 輸出到PDF檔裡
/// </summary>
/// <param name="Html"></param>
/// <returns></returns>
public byte[] ToPdf(string Html)
{
if (string.IsNullOrEmpty(Html))
{
return(null);
}
//避免當htmlText無任何html tag標籤的純文字時，轉PDF時會掛掉，所以一律加上<p>標籤
//Html = "<p>" + Html + "</p>";
try
{
using (MemoryStream outputStream = new MemoryStream()) //要把PDF寫到哪個串流
{
byte[] data = Encoding.UTF8.GetBytes(Html); //字串轉成byte[]
using (MemoryStream msInput = new MemoryStream(data))
{
using (Document doc = new Document())//要寫PDF的文件，建構子沒填的話預設直式A4
{
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
//指定文件預設開檔時的縮放為100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//開啟Document文件
doc.Open();
//使用XMLWorkerHelper把Html parse到PDF檔裡
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
//將pdfDest設定的資料寫到PDF檔
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
}
}
//回傳PDF檔案
return(outputStream.ToArray());
}
}
catch (Exception e)
{
throw new Exception("Html Transform Pdf Fail!!!", e);
}
}
