如何批量给Excel文件添加数字签名？-灵析社区

public void AddSignature() { Workbook wb = new Workbook(); ISignature signature = wb.getSignatures().addSignatureLine(wb.getActiveSheet(), 100, 50); ISignatureSetup setup = signature.getSetup(); setup.setShowSignDate(false); setup.setAllowComments(false); setup.setSigningInstructions("Please check the content before signing"); setup.setSuggestedSignerEmail("example@example.com"); setup.setSuggestedSignerLine2("Commander (Balanced)"); wb.save("output/SignatureLines.xlsx"); } 参考资料：[https://www.grapecity.com.cn/developer/grapecitydocuments/exc...](https://link.segmentfault.com/?enc=riPDu2KwaXbSnXEJ3An58Q%3D%3D.JkH%2FA4eqUKMacoeHRdJ7S%2B5E3wy%2Bt6G8a4otFzjGFIXQFfpYU3%2FRM%2BxKXCNUBpF5DjGCmkKXrtEFtIpPuWztJPtB69BbOyYAZlzMREXbb4EhnZHPTYkGn8R1KjM4TCp%2B1WawXQfXTIMdrD7DnzwVGA%3D%3D)