Aspose.Words for .NET使用教程（八）：将word和图像转换为PDF

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将Microsoft Word文档转换为PDF

要将Microsoft Word文档转换为PDF，只需调用Document.Save方法并将文件的扩展名指定为“.PDF”。下面的代码示例使用默认选项将整个文档从DOC转换为PDF。你可以从此处下载此示例的模板文件。

// For complete examples and data files, please go to https://github.com/aspose-words/Aspose.Words-for-.NET// The path to the documents directory.string dataDir = RunExamples.GetDataDir_QuickStart();// Load the document from disk.Document doc = new Document(dataDir + "Template.doc");dataDir = dataDir + "Template_out.pdf";// Save the document in PDF format.doc.Save(dataDir);

将图像档转换为PDF

这里介绍如何使用Aspose.Words从图像创建PDF文档。虽然将图像转换为PDF不是Aspose.Words的主要特征，但此示例显示了Aspose.Words十分简洁易用。要使此代码有效，你需要将Aspose.Words和System.Drawing的参考文件添加到项目中。下面的代码允许转换单帧图像，如JPEG，PNG，BMP，EMF或WMF，以及多帧TIF图像和GIF到PDF。

// For complete examples and data files, please go to https://github.com/aspose-words/Aspose.Words-for-.NET// The path to the documents directory.string dataDir = RunExamples.GetDataDir_LoadingAndSaving();ConvertImageToPdf(dataDir + "Test.jpg", dataDir + "TestJpg_out.pdf");ConvertImageToPdf(dataDir + "Test.png", dataDir + "TestPng_out.pdf");ConvertImageToPdf(dataDir + "Test.wmf", dataDir + "TestWmf_out.pdf");ConvertImageToPdf(dataDir + "Test.tiff", dataDir + "TestTif_out.pdf");ConvertImageToPdf(dataDir + "Test.gif", dataDir + "TestGif_out.pdf");

ConvertImageToPdf方法

// For complete examples and data files, please go to https://github.com/aspose-words/Aspose.Words-for-.NET// Create Document and DocumentBuilder.// The builder makes it simple to add content to the document.Document doc = new Document();DocumentBuilder builder = new DocumentBuilder(doc);// Read the image from file, ensure it is disposed.using (Image image = Image.FromFile(inputFileName)){    // Find which dimension the frames in this image represent. For example    // The frames of a BMP or TIFF are "page dimension" whereas frames of a GIF image are "time dimension".    FrameDimension dimension = new FrameDimension(image.FrameDimensionsList[0]);    // Get the number of frames in the image.    int framesCount = image.GetFrameCount(dimension);    // Loop through all frames.    for (int frameIdx = 0; frameIdx < framesCount; frameIdx++)    {        // Insert a section break before each new page, in case of a multi-frame TIFF.        if (frameIdx != 0)            builder.InsertBreak(BreakType.SectionBreakNewPage);        // Select active frame.        image.SelectActiveFrame(dimension, frameIdx);        // We want the size of the page to be the same as the size of the image.        // Convert pixels to points to size the page to the actual image size.        PageSetup ps = builder.PageSetup;        ps.PageWidth = ConvertUtil.PixelToPoint(image.Width, image.HorizontalResolution);        ps.PageHeight = ConvertUtil.PixelToPoint(image.Height, image.VerticalResolution);        // Insert the image into the document and position it at the top left corner of the page.        builder.InsertImage(            image,            RelativeHorizontalPosition.Page,            0,            RelativeVerticalPosition.Page,            0,            ps.PageWidth,            ps.PageHeight,            WrapType.None);    }}// Save the document to PDF.doc.Save(outputFileName);

下一篇文章将给大家带来其他格式的文档转换方法，敬请期待~

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