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.... Ruby 代码 def chart_to_image () # Create a new Workbook...setValue ( 10000 ) # Create chart chart_type = Rjb :: import ( 'com...