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.... compression_level = 9 pngOpt . color_type...文件中的所有智能对象 files = [ "simple_test" , "w22" ] change_file = "image(19)...