[GitHub] [incubator-echarts] 874435441 opened a new issue #10910: itemStyle中color使用回调函数时，线条颜色不发生变化，只有节点颜色发生变化

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

874435441 opened a new issue #10910: itemStyle中color使用回调函数时，线条颜色不发生变化，只有节点颜色发生变化
URL: https://github.com/apache/incubator-echarts/issues/10910
 
 
   ### Version
   4.2.1-rc1
   
   ### Reproduction link
   [https://gallery.echartsjs.com/editor.html?c=xSatSVYKMck&v=1](https://gallery.echartsjs.com/editor.html?c=xSatSVYKMck&v=1)
   
   ### Steps to reproduce
   无需操作，打开链接后已显示出bug
   
   ### What is expected?
   当itemStyle的color使用回调函数时，线条颜色也能产生相应变化
   
   ### What is actually happening?
   当itemStyle的color使用回调函数时，线条颜色不能产生相应变化
   
   ---
   当itemStyle的color使用固定颜色（例如：'#ABCDEF'）时，线条颜色既然能变化为该颜色。<br />
   那么itemStyle的color使用回调函数时为何不能改变线条颜色呢？我认为这并不合理。<br/>
   而且这个与文档描述不符。
   
   > 注： 修改 lineStyle 中的颜色不会影响图例颜色，如果需要图例颜色和折线图颜色一致，需修改 itemStyle.color，线条颜色默认也会取改颜色。
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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