DigitalSignatureCollection类
DigitalSignatureCollection类
提供附加到文档的数字签名的集合。
DigitalSignatureCollection 类型公开了以下成员：
构造器
| 构造器 | 描述 |
|---|---|
| DigitalSignatureCollection() | DigitalSignatureCollection 的构造函数。 |
方法
| 方法 | 描述 |
|---|---|
| add(digital_signature) | 向 DigitalSignatureCollection 添加一个签名。 |
例子
以下示例显示如何验证数字签名。
from aspose.cells import Workbook
# workbook from a signed source file
signedWorkbook = Workbook(r"signedFile.xlsx")
# wb.IsDigitallySigned is true when the workbook is signed already.
print(signedWorkbook.is_digitally_signed)
# get digitalSignature collection from workbook
existingDsc = signedWorkbook.get_digital_signature()
for existingDs in existingDsc:
print(existingDs.comments)
print(existingDs.sign_time)
print(existingDs.is_valid)
