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echart 饼图如何设置间距

如图所示:
image.png

网上查了一下,一般饼图之间的间距是通过加个和底色一样的边框达到视觉上的间距。但是如果底色是动态变化的或者渐变色,这种方法会不合适。想问一下有无其他方法设置间距?


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https://gallery.echartsjs.com/editor.html?c=xphzXhpvlq

加一个透明的数据

list.push({
    value: data[i],
    name: names[i],
}, {
    value: total / 30,
    name: '',
    itemStyle: placeHolderStyle
})

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