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
));
}
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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"
);
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