[GitHub] [incubator-echarts] lishaoh opened a new issue #11826: 设置label的position定位问题：数据值有正有负，如何实现正值position设置为top，负值设置为bottom.求教

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

lishaoh opened a new issue #11826: 设置label的position定位问题：数据值有正有负，如何实现正值position设置为top，负值设置为bottom.求教
URL: https://github.com/apache/incubator-echarts/issues/11826
 
 
   ### What problem does this feature solve?
   label的position可以根据柱状图高度自动显示在合适位置，否则当柱状图高度较低时，label显示不完美
   
   ### What does the proposed API look like?
   {
   name: '柱状图',
   type: 'bar',
   barWidth: 40,
   z: 10,
   data: [1,2,43]
   itemStyle: {
   color: '#00a0e9',
   },
   label: {
   show: true,
   color: '#666',
   position:  val => 1>0? 'top' : 'bottom'
   }
   }
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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