[GitHub] Ovilia commented on issue #9201: 柱状图一组数据（根据正负值）显示在同一水平线上不同颜色（显示同一方向）

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

Ovilia commented on issue #9201: 柱状图一组数据（根据正负值）显示在同一水平线上不同颜色（显示同一方向）
URL: https://github.com/apache/incubator-echarts/issues/9201#issuecomment-429189397
 
 
   ```js
   var data = [12, 22, -10, -5, 11, 31];
   
   var displayData = data.map(v => Math.abs(v));
   
   option = {
       xAxis: {
           data: ['a', 'b', 'c', 'd', 'e', 'f']
       },
       yAxis: {
           
       },
       series: {
           name: 'aa',
           type: 'bar',
           data: displayData,
           itemStyle: {
               color: function(p) {console.log(p)
                   return data[p.dataIndex] > 0 ? '#eb3d42' : '#00802d';
               }
           }
       }
   }
   ```

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