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....您可以下载源Excel和输出Excel文件进行参考。如果打开输出Excel文件,您将看到数据透视项“4H...addEventListener ( 'click' , async () => { const fileInput = document...