Aspose.word保存PDF时进行授权访问设置

来源：互联网发布：lte双流占比优化编辑：程序博客网时间：2024/05/21 19:50

public void ConvertDocToPDF(string docPath,string savePdfPath)
{
Aspose.Words.Document wordDocument = new Aspose.Words.Document(docPath);
InsertWatermarkText(wordDocument, "内部资料注意保密\r\n XX公司 ");
wordDocument.Save("D:\\abc.doc");
Aspose.Words.Saving.PdfSaveOptions saveOption = new Aspose.Words.Saving.PdfSaveOptions();
saveOption.SaveFormat = Aspose.Words.SaveFormat.Pdf;
//user pass 设置了打开时，需要密码
//owner pass 控件编辑等权限
PdfEncryptionDetails encryptionDetails = new PdfEncryptionDetails(string.Empty, "PasswordHere", PdfEncryptionAlgorithm.RC4_128);
encryptionDetails.Permissions = PdfPermissions.DisallowAll;
saveOption.EncryptionDetails = encryptionDetails;
wordDocument.Save(savePdfPath, saveOption);
}
private static void InsertWatermarkText(Aspose.Words.Document doc, string watermarkText)
{
// Create a watermark shape. This will be a WordArt shape.
// You are free to try other shape types as watermarks.
Aspose.Words.Drawing.Shape watermark = new Aspose.Words.Drawing.Shape(doc, Aspose.Words.Drawing.ShapeType.TextPlainText);
// Set up the text of the watermark.
watermark.TextPath.Text = watermarkText;
watermark.TextPath.FontFamily = "宋体";
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 = System.Drawing.Color.Gray; // Try LightGray to get more Word-style watermark
watermark.StrokeColor = System.Drawing.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 = Aspose.Words.Drawing.VerticalAlignment.Center;
watermark.HorizontalAlignment = Aspose.Words.Drawing.HorizontalAlignment.Center;
// Create a new paragraph and append the watermark to this paragraph.
Aspose.Words.Paragraph watermarkPara = new Aspose.Words.Paragraph(doc);
watermarkPara.AppendChild(watermark);
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(Aspose.Words.Paragraph watermarkPara, Section sect, HeaderFooterType headerType)
{
Aspose.Words.HeaderFooter header = sect.HeadersFooters[headerType];
if (header == null)
{
// There is no header of the specified type in the current section, create it.
header = new Aspose.Words.HeaderFooter(sect.Document, headerType);
sect.HeadersFooters.Add(header);
}
// Insert a clone of the watermark into the header.
header.AppendChild(watermarkPara.Clone(true));
}

以上代码，主要实现添加水印及生成PDF时加上安全设置

0 0