[GitHub] [echarts] echarts-bot[bot] commented on issue #17574: type: 'tree' 树形结构点击展开收起， 如何拿到整棵树哪些节点是展开状态，哪些节点是收起状态

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

echarts-bot[bot] commented on issue #17574:
URL: https://github.com/apache/echarts/issues/17574#issuecomment-1228012697

   @loufangjin-cpu It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people and get helped, we'd like to suggest using English next time. 🤗
   <details><summary><b>TRANSLATED</b></summary><br>
   
   **TITLE**
   
   type: 'tree' tree structure click to expand and collapse, how to get the entire tree which nodes are in the expanded state and which nodes are in the collapsed state
   
   **BODY**
   
   ### What problem does this feature solve?
   
   Looking forward to clicking on the expand and collapse, you can get the whole tree node, which are the states of expansion and collapse. Facilitates dynamic acquisition of the maximum height of tree nodes
   
   ### What does the proposed API look like?
   
   Expand the tree node, each level will calculate a height, but when you put it away, click on the second level, and you get the height of the third level
   </details>


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