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.... 文件上传 用户从本地计算机中选择一个文件,该文件通过 Web 浏览器上传到服务器,并由 PrimeFaces fileUpload...onFileUpload 方法开始处理情况。WorkbookService 从 Web 浏览器接收事件,并跟踪整个工作簿的状态。WorkbookService...