Quote: ECharts, an open source visualization library implemented using JavaScript, can run smoothly on PCs and mobile devices, compatible with most current browsers (IE9/10/11, Chrome, Firefox, Safari, etc.), and relies on vector graphics at the bottom layer The library ZRender provides intuitive, interactive and highly customizable data visualization charts.
Implementation: through custom shape.
Source code download address:
File address 
https://download.csdn.net/download/weixin_41620505/86247612?spm=1001.2014.3001.5501