发布：2021/12/22 21:58:26作者：管理员 来源：本站 浏览次数：1306
特别说明：需引用Aspose.PDF.dll
代码案例：
using System.IO;
using System;
using Aspose.Pdf;
namespace Aspose.Pdf.Examples.CSharp.AsposePDF.DocumentConversion
{
public class PDFToHTML
{
public static void Run()
{
// ExStart:PDFToHTML
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
// Open the source PDF document
Document pdfDocument = new Document(dataDir + "PDFToHTML.pdf");
// Save the file into MS document format
pdfDocument.Save(dataDir + "output_out.html", SaveFormat.Html);
// ExEnd:PDFToHTML
}
public static void ExcludeFontResources()
{
// ExStart:ExcludeFontResources
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
string inFile = dataDir + "PDFToHTML.pdf";
string outMainHtmlFile = dataDir + "ExcludeFontResources.pdf";
// Initialize htmlOptions
HtmlSaveOptions htmlOptions = new HtmlSaveOptions
{
ExplicitListOfSavedPages = new[] { 1 },
FixedLayout = true,
CompressSvgGraphicsIfAny = false,
SaveTransparentTexts = true,
SaveShadowedTextsAsTransparentTexts = true,
//FontSavingMode = HtmlSaveOptions.FontSavingModes.DontSave,
ExcludeFontNameList = new[] { "ArialMT", "SymbolMT" },
DefaultFontName = "Comic Sans MS",
UseZOrder = true,
LettersPositioningMethod = HtmlSaveOptions.LettersPositioningMethods.UseEmUnitsAndCompensationOfRoundingErrorsInCss,
PartsEmbeddingMode = HtmlSaveOptions.PartsEmbeddingModes.NoEmbedding,
RasterImagesSavingMode = HtmlSaveOptions.RasterImagesSavingModes.AsEmbeddedPartsOfPngPageBackground,
SplitIntoPages = false
};
Document pdfDocument = new Document(inFile);
// Save
pdfDocument.Save(outMainHtmlFile, htmlOptions);
// ExEnd:ExcludeFontResources
}
public static void MultiPageHTML()
{
// ExStart:MultiPageHTML
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
// Open the source PDF document
Document pdfDocument = new Document(dataDir + "PDFToHTML.pdf");
// Instantiate HTML SaveOptions object
HtmlSaveOptions htmlOptions = new HtmlSaveOptions();
// Specify to split the output into multiple pages
htmlOptions.SplitIntoPages = true;
// Save the document
pdfDocument.Save(@"MultiPageHTML_out.html", htmlOptions);
// ExEnd:MultiPageHTML
}
public static void SaveSVGFiles()
{
// ExStart:SaveSVGFiles
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
// Load the PDF file
Document doc = new Document(dataDir + "PDFToHTML.pdf");
// Instantiate HTML save options object
HtmlSaveOptions newOptions = new HtmlSaveOptions();
// Specify the folder where SVG images are saved during PDF to HTML conversion
newOptions.SpecialFolderForSvgImages = dataDir;
// Save the output file
doc.Save(dataDir + "SaveSVGFiles_out.html", newOptions);
// ExEnd:SaveSVGFiles
}
public static void CompressSVGImages()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
// Load the PDF file
Document doc = new Document(dataDir + "PDFToHTML.pdf");
// ExStart:CompressSVGImages
// Create HtmlSaveOption with tested feature
HtmlSaveOptions newOptions = new HtmlSaveOptions();
// Compress the SVG images if there are any
newOptions.CompressSvgGraphicsIfAny = true;
// ExEnd:CompressSVGImages
// Save the output file
doc.Save(dataDir + "CompressSVGImages_out.html", newOptions);
}
public static void SpecifyingImageFolder()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
// Load the PDF file
Document doc = new Document(dataDir + "PDFToHTML.pdf");
// ExStart:SpecifyingImageFolder
// Create HtmlSaveOption with tested feature
HtmlSaveOptions newOptions = new HtmlSaveOptions();
// Specify the separate folder to save images
newOptions.SpecialFolderForAllImages = dataDir;
// ExEnd:SpecifyingImageFolder
// Save the output file
doc.Save(dataDir + "SpecifyingImageFolder_out.html", newOptions);
}
public static void CreateSubsequentFiles()
{
// ExStart:CreateSubsequentFiles
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
Document doc = new Document(dataDir + "PDFToHTML.pdf");
HtmlSaveOptions options = new HtmlSaveOptions();
// This is the tested setting
options.HtmlMarkupGenerationMode = HtmlSaveOptions.HtmlMarkupGenerationModes.WriteOnlyBodyContent;
options.SplitIntoPages = true;
doc.Save(dataDir + "CreateSubsequentFiles_out.html", options);
// ExEnd:CreateSubsequentFiles
}
public static void TransparentTextRendering()
{
// ExStart:TransparentTextRendering
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
Document doc = new Document(dataDir + "PDFToHTML.pdf");
HtmlSaveOptions htmlOptions = new HtmlSaveOptions();
htmlOptions.SaveShadowedTextsAsTransparentTexts = true;
htmlOptions.SaveTransparentTexts = true;
doc.Save(dataDir + "TransparentTextRendering_out.html", htmlOptions);
// ExEnd:TransparentTextRendering
}
public static void LayersRendering()
{
// ExStart:LayersRendering
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
Document doc = new Document(dataDir + "PDFToHTML.pdf");
// Instantiate HTML SaveOptions object
HtmlSaveOptions htmlOptions = new HtmlSaveOptions();
// Specify to render PDF document layers separately in output HTML
htmlOptions.ConvertMarkedContentToLayers = true;
// Save the document
doc.Save(dataDir + "LayersRendering_out.html", htmlOptions);
// ExEnd:LayersRendering
}
public static void CreatingHtmlWithFullContentWidth()
{
//ExStart: CreatingHtmlWithFullContentWidth
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_DocumentConversion();
HtmlSaveOptions saveOptions = new HtmlSaveOptions();
saveOptions.FixedLayout = (false);
saveOptions.FlowLayoutParagraphFullWidth = true;
Document doc = new Document(dataDir + "FlowLayoutParagraphFullWidth.Pdf");
doc.Save(dataDir + "FlowLayoutParagraphFullWidth_out.html", saveOptions);
//ExEnd: CreatingHtmlWithFullContentWidth
}
public static void CenterAlignText()
{
//ExStart: CenterAlignText
HtmlSaveOptions htmlOptions = new HtmlSaveOptions();
// init MarginPartStyle with margin in 20 points
var commonMargin = new SaveOptions.MarginPartStyle(20);
// init MarginPartStyle with margin value auto
var autoMargin = new SaveOptions.MarginPartStyle(true);
// set commonMargin to every page side
htmlOptions.PageMarginIfAny = new HtmlSaveOptions.MarginInfo(commonMargin);
// set horizontal page align to center
htmlOptions.PageMarginIfAny.LeftMarginIfAny = autoMargin;
htmlOptions.PageMarginIfAny.RightMarginIfAny = autoMargin;
//ExEnd: CenterAlignText
}
}
}
