使用Aspose.Words组件给word加水印
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/// <summary> /// Inserts a watermark into a document. /// </summary> /// <param name="doc">The input document.</param> /// <param name="watermarkText">Text of the watermark.</param> private static void InsertWatermarkText(Document doc, string watermarkText) { // Create a watermark shape. This will be a WordArt shape. // You are free to try other shape types as watermarks. Shape watermark = new Shape(doc, ShapeType.TextPlainText); // Set up the text of the watermark. watermark.TextPath.Text = watermarkText; watermark.TextPath.FontFamily = "Arial"; watermark.Width = 500; watermark.Height = 100; // Text will be directed from the bottom-left to the top-right corner. watermark.Rotation = -40; // Remove the following two lines if you need a solid black text. watermark.Fill.Color = Color.Gray; // Try LightGray to get more Word-style watermark watermark.StrokeColor = Color.Gray; // Try LightGray to get more Word-style watermark // Place the watermark in the page center. watermark.RelativeHorizontalPosition = RelativeHorizontalPosition.Page; watermark.RelativeVerticalPosition = RelativeVerticalPosition.Page; watermark.WrapType = WrapType.None; watermark.VerticalAlignment = VerticalAlignment.Center; watermark.HorizontalAlignment = HorizontalAlignment.Center; // Create a new paragraph and append the watermark to this paragraph. Paragraph watermarkPara = new Paragraph(doc); watermarkPara.AppendChild(watermark); // Insert the watermark into all headers of each document section. foreach (Section sect in doc.Sections) { // There could be up to three different headers in each section, since we want // the watermark to appear on all pages, insert into all headers. InsertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HeaderPrimary); InsertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HeaderFirst); InsertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HeaderEven); } } private static void InsertWatermarkIntoHeader(Paragraph watermarkPara, Section sect, HeaderFooterType headerType) { HeaderFooter header = sect.HeadersFooters[headerType]; if (header == null) { // There is no header of the specified type in the current section, create it. header = new HeaderFooter(sect.Document, headerType); sect.HeadersFooters.Add(header); } // Insert a clone of the watermark into the header. header.AppendChild(watermarkPara.Clone(true)); } |
调用方法：
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string exeDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + Path.DirectorySeparatorChar; string dataDir = new Uri(new Uri(exeDir), @"../../Data/").LocalPath; Document doc = new Document(dataDir + "TestFile.doc"); InsertWatermarkText(doc, "CONFIDENTIAL"); doc.Save(dataDir + "TestFile Out.doc"); |