可以自定义 `tooltip.formatter` 来实现这个功能。
[ Full content available at: https://github.com/apache/incubator-echarts/issues/9027 ] This message was relayed via gitbox.apache.org for [email protected]
- [GitHub] [incubator-echarts] Gamehu opened issue #9027: connectNull... GitHub
- [GitHub] [incubator-echarts] 100pah commented on issue #9027: ... GitHub
