[GitHub] [incubator-echarts] greedy747 commented on issue #8151: dataset 可以为每个数据指定样式

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

greedy747 commented on issue #8151:
URL: https://github.com/apache/incubator-echarts/issues/8151#issuecomment-629927226


   > 我还有一个想法，如果想数据和样式分离的话，可不可以在dataset里面加一种新的 `dimension`类型, 比如说名为`style`,可以用来把样式映射到series的每个数据中。
   > 
   > ```
   > option = {
   >   dataset: {
   >     dimensions: ['score', 'amount', 'product', {name: 'scoreStyle',type: 'style'}],
   >     source: [
   >       [89.3, 58212, 'Matcha Latte', {color: 'red' }],
   >       [57.1, 78254, 'Milk Tea', {color: 'blue' }],
   >       [74.4, 41032, 'Cheese Cocoa', {color: 'green' }]
   >       ...
   >     ]
   >   },
   >   series: [{
   >     type: 'bar',
   >     encode: {
   >       x: 'product',
   >       y: 'score',
   >       style: 'scoreStyle'
   >     }
   >   }]
   > }
   > ```
   > 
   > 因为`series.data[i]` 是可以是对象，并且可以为每个`data[i]`指定样式。
   > 我们很想把产品的eCharts版本升级到4.x, 但是为每一个data[i] ，指定样式的功能实现不了的话，就没办法使用dataset这个强大的功能,也就没必要着急升级了。
   
   series里的itemStyle,label如果支持array，是不是可以解决问题？


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