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....xls 和 Book2.xls。这些文件仅包含格式化数据和公式。 **CellsHelper...= "fileInput" accept = ".xls,.xlsx" multiple /> < button id =...