100pah commented on issue #9028: 用dataset这种方式渲染pie图时，如果name的值为数字，value会无效，渲染时用的是name的值 URL: https://github.com/apache/incubator-echarts/issues/9028#issuecomment-419489456 `dimensions` 里面的值其实是用户自定义的，虽然叫做 `'name'`、`'value'`，echarts 并不能识别其含义。在没有提供 `encode` 信息的情况下，echarts 只是做猜测，如果第一列看着像是 文本的话，就作为 `name`，如果看着像数值的话，就作为 `value`。这种猜测策略是以 “多数场景” 的习惯状态为依据的。 如果猜测不准确，那么就应该手动指定 `encode`，如： ```js option = { legend: {}, tooltip: {}, dataset: { dimension:['name','value'], source: [ ['10', 52.2], ['20', 43.3], ['30', 83.1], ['40', 86.4], ['50', 72.4] ] }, series: [{ type: 'pie', encode: { itemName: 0, value: 1 } }] }; ```
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