Fügen Sie eine Signaturlinie zum Arbeitsblatt hinzu
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Einführung
Aspose.Cells für Python via .NET bietet die Picture.signature_line-Eigenschaft, um die Signaturlinie des Arbeitsblatts hinzuzufügen.
Wie fügt man eine Signaturlinie zum Arbeitsblatt hinzu
Der folgende Beispielcode zeigt, wie die Eigenschaft Picture.signature_line verwendet wird, um dem Arbeitsblatt eine Signaturlinie hinzuzufügen. Der Screenshot zeigt die Auswirkung des Beispielcodes auf die Beispiel-Excel-Datei nach der Ausführung.
Beispielcode
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| from aspose.cells import Workbook | |
| from aspose.cells.digitalsignatures import DigitalSignature, DigitalSignatureCollection | |
| from aspose.cells.drawing import SignatureLine | |
| from datetime import datetime | |
| from uuid import uuid4 | |
| # For complete examples and data files, please go to https:# github.com/aspose-cells/Aspose.Cells-for-.NET | |
| # The path to the documents directory. | |
| dataDir = RunExamples.GetDataDir(".") | |
| # Instantiating a Workbook object | |
| wb = Workbook() | |
| pics = wb.worksheets[0].pictures | |
| pics.add(10, 0, 12, 1, None) | |
| signatureLine = SignatureLine() | |
| signatureLine.id = uuid4() | |
| signatureLine.provider_id = uuid4() | |
| signatureLine.signer = "Aspose.Cells" | |
| signatureLine.title = "signed by Aspose.Cells" | |
| wb.worksheets[0].pictures[0].signature_line = signatureLine | |
| # Cert must contain private key, it can be contructed from cert file or windows certificate collection. aa is password of cert | |
| rawData = None | |
| password = None | |
| signature = DigitalSignature(rawData, password, "test Microsoft Office signature line", datetime.now()) | |
| signature.id = signatureLine.id | |
| signature.provider_id = signatureLine.provider_id | |
| dsCollection = DigitalSignatureCollection() | |
| dsCollection.add(signature) | |
| wb.set_digital_signature(dsCollection) | |
| wb.save(dataDir + "signatureLine.xlsx") |