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怎么把echarts饼形图中的data数据循环?

echats中的数据模拟是这样排放的,我现在需要的这些数据是不固定的,我怎么把它给循环出来并存放进echarts的data中。
这上面的数据只是模拟,我要循环后台给的城市数据,让echarts的data根据后端给的数据自动生成data里面的城市数量。

image.png

数据大概是这样子:
image.png


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this.echartsData.map(({name,value}) => ({name,value}))

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