https://dash.plotly.com/
Dash-下载原始数据：https://blog.csdn.net/pz789as/article/details/102394522
Dash-下载较大数据的csv：https://blog.csdn.net/pz789as/article/details/102456073
Python+Dash快速web应用开发——上传下载篇：https://cloud.tencent.com/developer/article/1808055
Python+Dash快速web应用开发——基础概念篇：https://cloud.tencent.com/developer/article/1772417?from=article.detail.1821185
