[https://echarts.apache.org/zh/option.html#series-bar.select](https://link.segmentfault.com/?enc=HWx2BTAMbiYxjSp6oKy35A%3D%3D.6na01EYfUXH9KY66uALM3fMyagJjeWdS8PxRMnjikHW2jKCFFRACLzMFCAFTtutg%2FSu6XsxIYYxuLNtWuvjpSw%3D%3D) echarts本身就有选择设置,如果本身的select不满足业务需求,可以使用事件结合select的方式 