[GitHub] [incubator-echarts] blessbygod opened a new issue #11838: [堆叠图 stack] 柱状堆叠图 - tooltip，不能选中堆叠块(stack)的问题

[GitBox <gi...@apache.org>]

blessbygod opened a new issue #11838: [堆叠图 stack]  柱状堆叠图 - tooltip，不能选中堆叠块(stack)的问题
URL: https://github.com/apache/incubator-echarts/issues/11838
 
 
   ### What problem does this feature solve?
    期望：
       我想快速看选中的stack在轴显示的所有数据行中的哪一个
   问题描述：
       在trigger是axis的时候，希望可以选中具体的stack块，并且在tooltip的formatter数据中可以获取当前的值
   
   ### What does the proposed API look like?
   toolitp: {
        formatter(params) {
             let param = param[0]; 
             console.log(param.selectedStackIndex)
        }
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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