So sánh hai PDF bằng cách sử dụng C++

using namespace aspose::words::cloud;

auto config =
    std::make_shared<ApiConfiguration>(L"####-####-####-####-####", L"##################");
auto wordsApi = std::make_shared<WordsApi>(config);

std::wstring fileName1 = L"Input1.pdf";
std::wstring fileName2 = L"Input2.pdf";
std::wstring fileResult = L"Output.pdf";

//  Tải tài liệu lên bộ nhớ đám mây.
auto firstDocumentContent =
    std::shared_ptr<std::istream>(
	new std::ifstream(std::filesystem::path(fileName1), std::istream::binary));
std::shared_ptr<requests::UploadFileRequest> uploadFirstFileRequest(
    new requests::UploadFileRequest(
        firstDocumentContent, std::make_shared<std::wstring>(fileName1)
    )
);
wordsApi->uploadFile(uploadFirstFileRequest);

auto secondDocumentContent =
    std::shared_ptr<std::istream>(
	new std::ifstream(std::filesystem::path(fileName2), std::istream::binary));
std::shared_ptr<requests::UploadFileRequest> uploadSecondFileRequest(
    new requests::UploadFileRequest(
        secondDocumentContent, std::make_shared<std::wstring>(fileName2)
    )
);
wordsApi->uploadFile(uploadSecondFileRequest);

//  So sánh tài liệu trên đám mây.
auto compareDataOptions = std::make_shared<aspose::words::cloud::models::CompareData>();
compareDataOptions->setAuthor(std::make_shared<std::wstring>(L"author"));
compareDataOptions->setFileReference(
   std::make_shared<aspose::words::cloud::models::FileReference>(
      std::make_shared<std::wstring>(fileName2));
std::shared_ptr<requests::CompareDocumentRequest> compareDocumentRequest(
    new requests::CompareDocumentRequest(
        std::make_shared<std::wstring>(fileName1),
		compareDataOptions, std::make_shared<std::wstring>(fileResult)
    )
);
wordsApi->compareDocument(compareDocumentRequest);

//  Tải xuống tài liệu kết quả từ bộ nhớ đám mây.
std::shared_ptr<requests::DownloadFileRequest> downloadFileRequest(
    new requests::DownloadFileRequest(
        std::make_shared<std::wstring>(fileResult)
    )
);
auto downloadFileResult = wordsApi->downloadFile(downloadFileRequest);
{
    char buffer[1024];
    std::ofstream fileWriter(fileResult, std::ofstream::binary);
    const auto& fileData = *downloadFileResult->begin();
    while(fileData.second->read(buffer, sizeof(buffer))) {
        fileWriter.write(buffer, sizeof(buffer));
    }
    fileWriter.write(buffer, fileData.second->gcount());
    fileWriter.close();
}