如何使用Open XML SDK將圖像替換爲Word文檔（docx）中的書籤？

Question

我需要帶一組書籤的模板Word文檔，並將其替換爲圖像（刪除書籤本身）。處理我看到的書籤的例子很混亂，我不確定它們是否適用於使用ImagePart，因爲它看起來事情根據內容而不同。

有人可以提供一個簡單的例子嗎？

Answer 1

您可以使用下面的方法ReplaceBookmarksWithImage將所有書籤替換爲給定的圖像。單詞模板文件路徑和圖像文件路徑是參數。如果每個書籤需要不同的圖像，則可以擴展代碼。

private static void ReplaceBookmarksWithImage(string wordDocTempaltePath, string imageFilename) 
    { 
     WordprocessingDocument doc = WordprocessingDocument.Open(wordDocTempaltePath, true); 

     // Read all bookmarks from the word doc 
     foreach (BookmarkStart bookmarkStart in doc.MainDocumentPart.RootElement.Descendants<BookmarkStart>()) 
     { 
      // insert the image 
      InsertImageIntoBookmark(doc, bookmarkStart, imageFilename); 

      // remove the bookmark 
      bookmarkStart.Remove(); 
     } 

     doc.Close(); 
    } 

    public static void InsertImageIntoBookmark(WordprocessingDocument doc, BookmarkStart bookmarkStart, string imageFilename) 
    { 
     // Remove anything present inside the bookmark 
     OpenXmlElement elem = bookmarkStart.NextSibling(); 
     while (elem != null && !(elem is BookmarkEnd)) 
     { 
      OpenXmlElement nextElem = elem.NextSibling(); 
      elem.Remove(); 
      elem = nextElem; 
     } 

     // Create an imagepart 
     var imagePart = AddImagePart(doc.MainDocumentPart, imageFilename); 

     // insert the image part after the bookmark start 
     AddImageToBody(doc.MainDocumentPart.GetIdOfPart(imagePart), bookmarkStart); 
    } 

    public static ImagePart AddImagePart(MainDocumentPart mainPart, string imageFilename) 
    { 
     ImagePart imagePart = mainPart.AddImagePart(ImagePartType.Jpeg); 

     using (FileStream stream = new FileStream(imageFilename, FileMode.Open)) 
     { 
      imagePart.FeedData(stream); 
     } 

     return imagePart; 
    } 

    private static void AddImageToBody(string relationshipId, BookmarkStart bookmarkStart) 
    { 
     // Define the reference of the image. 
     var element = 
      new Drawing(
       new DW.Inline(
        new DW.Extent() 
         { 
          Cx = 990000L, 
          Cy = 792000L 
         }, 
        new DW.EffectExtent() { LeftEdge = 0L, TopEdge = 0L, RightEdge = 0L, BottomEdge = 0L }, 
        new DW.DocProperties() { Id = (UInt32Value)1U, Name = "Picture 1" }, 
        new DW.NonVisualGraphicFrameDrawingProperties(new A.GraphicFrameLocks() { NoChangeAspect = true }), 
        new A.Graphic(
         new A.GraphicData(
          new PIC.Picture(
           new PIC.NonVisualPictureProperties(
            new PIC.NonVisualDrawingProperties() 
             { 
              Id = (UInt32Value)0U, 
              Name = "New Bitmap Image.jpg" 
             }, 
            new PIC.NonVisualPictureDrawingProperties()), 
           new PIC.BlipFill(
            new A.Blip(
             new A.BlipExtensionList(
              new A.BlipExtension() 
               { 
                Uri = "{28A0092B-C50C-407E-A947-70E740481C1C}" 
               })) 
             { 
              Embed 
               = 
               relationshipId, 
              CompressionState 
               = 
               A 
               .BlipCompressionValues 
               .Print 
             }, 
            new A.Stretch(new A.FillRectangle())), 
           new PIC.ShapeProperties(
            new A.Transform2D(new A.Offset() { X = 0L, Y = 0L }, new A.Extents() { Cx = 990000L, Cy = 792000L }), 
            new A.PresetGeometry(new A.AdjustValueList()) { Preset = A.ShapeTypeValues.Rectangle }))) 
          { 
           Uri = 
            "http://schemas.openxmlformats.org/drawingml/2006/picture" 
          })) 
        { 
         DistanceFromTop = (UInt32Value)0U, 
         DistanceFromBottom = (UInt32Value)0U, 
         DistanceFromLeft = (UInt32Value)0U, 
         DistanceFromRight = (UInt32Value)0U, 
         EditId = "50D07946" 
        }); 

     // add the image element to body, the element should be in a Run. 
     bookmarkStart.Parent.InsertAfter<Run>(new Run(element), bookmarkStart); 
    } 

和這裏的using語句

using DocumentFormat.OpenXml; 
using DocumentFormat.OpenXml.Wordprocessing; 
using DocumentFormat.OpenXml.Packaging; 
using DW = DocumentFormat.OpenXml.Drawing.Wordprocessing; 
using A = DocumentFormat.OpenXml.Drawing; 
using PIC = DocumentFormat.OpenXml.Drawing.Pictures;