1：详细的extjs讲解http://wenku.baidu.com/view/e98a781352d380eb62946de4.html
2：廖雪峰git教程http://www.liaoxuefeng.com/wiki/0013739516305929606dd18361248578c67b8067c8c017b000/00137402760310626208b4f695940a49e5348b689d095fc000
3：百度echarts
https://echarts.baidu.com/index.html
4：vue框架vant
https://youzan.github.io/vant/#/zh-CN/intro