[GitHub] hanfengcan opened a new issue #8262: 关于区域填充颜色的一点问题

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

hanfengcan opened a new issue #8262: 关于区域填充颜色的一点问题
URL: https://github.com/apache/incubator-echarts/issues/8262
 
 
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   ### One-line summary [问题简述]
   在使用区域填充的时候,需要在 colorStops指定颜色
   
   ```js
     colorStops: [{offset: 0, color: 'rgba(128, 128, 128, 0.5)'}]
   ```
   
   如果想实现这种效果,需要知道系列的颜色
   
   
   ![_20180502171626](https://user-images.githubusercontent.com/4559753/39515567-16fa1524-4e2d-11e8-9b6e-85fb9ba96f85.png)
   
   
   有什么合适的方法实现呢.
   
   现在是使用`getModel().getSeriesByIndex(0).getData().getVisual('color')`来获取系列颜色.在把hex改成rgba的格式
   
   
   
   
   

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