向工作表添加签名行
Contents
[
Hide
]
介绍
Aspose.Cells for Python via .NET提供Picture.signature_line属性，用于添加工作表的签名行。
如何向工作表添加签名行
以下示例代码演示了如何使用 Picture.signature_line 属性添加工作表的签名行。屏幕截图展示了示例代码对示例Excel文件执行后的效果。
示例代码
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 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") |