Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms.... 创建 Attachment 类的实例,并使用 get() 方法从 AttachmentCollection...AttachmentCollection 中获取索引值填充。 使用 Attachment 类的 save() 方法将附件保存到磁盘。 Java...