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....表单字段设置图像: Document doc = new Document ( "doc.pdf" ); InputStream...FileInputStream ( "image.jpg" ); doc . getForm (). getXFA (). setFieldImage...