jm821323 opened a new issue #11093: 关系图实现框选功能 URL: https://github.com/apache/incubator-echarts/issues/11093 ### Version 4.2.1 ### Steps to reproduce 在关系图中实现框选功能,目前dataIndex一直为空 ### What is expected? 关系图中实现框选功能 ### What is actually happening? 目前dataIndex一直为空 <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
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