{{< blocks/products/pf/main-wrap-class >}} {{< blocks/products/cells/cells-cloud-ai-assistant >}} {{< blocks/products/cells/cells-cloud-upper-banner h1="为Excel文件添加文本水印并生成各种格式的输出文件。" h2="事实上,Aspose.......0/cells/watermark" %}} {{< blocks/products/...OpenRead(filePath); request.File.Add(filePath, fileStream); request...