更改Draw.io 配置文件/usr/local/tomcat/webapps/draw/js/PreConfig.js增加图形库; urlParams['lang'] = 'zh'; urlParams['clibs'] = 'Uhttps%3A%2F%2Fraw.githubusercontent.com%2FChangingI%2Fdrawiolib%2Fmaster%2FDatacom-2021.xml';