通过 C++ 加密 XLS 文件

Aspose::Cells::Startup();

// load the ODS Excel file 
Workbook book(u"unlocked.xls");

// access the first worksheet
Worksheet worksheet = book.GetWorksheets().Get(0);

// protect the worksheet with password
worksheet.Protect(ProtectionType::All, u"password", nullptr);

// protect the whole workbook with password
book.Protect(ProtectionType::All, u"password");

// save the modified file in default format
book.Save(u"protected.xls");

Aspose::Cells::Cleanup();