支持对Excel XP以来的高级保护设置
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介绍
Aspose.Cells for Python via .NET 支持使用XAdES签名对工作簿进行签名。为此，API 提供了 DigitalSignature 类和 XAdESType 枚举。
如何为Excel添加XAdES签名
以下代码片段演示了如何使用 DigitalSignature 类 对 源文件 的工作簿进行签名。
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| from aspose.cells import Workbook | |
| from aspose.cells.digitalsignatures import DigitalSignature, DigitalSignatureCollection, XAdESType | |
| from datetime import datetime | |
| # For complete examples and data files, please go to https:# github.com/aspose-cells/Aspose.Cells-for-.NET | |
| # Source directory | |
| sourceDir = RunExamples.Get_SourceDirectory() | |
| # Output directory | |
| outputDir = RunExamples.Get_OutputDirectory() | |
| workbook = Workbook(sourceDir + "sourceFile.xlsx") | |
| password = "pfxPassword" | |
| pfx = "pfxFile" | |
| signature = DigitalSignature(open(pfx, "rb").read(), password, "testXAdES", datetime.now()) | |
| signature.x_ad_es_type = XAdESType.X_AD_ES | |
| dsCollection = DigitalSignatureCollection() | |
| dsCollection.add(signature) | |
| workbook.set_digital_signature(dsCollection) | |
| workbook.save(outputDir + "XAdESSignatureSupport_out.xlsx") |