Pie.vue
1.51 KB
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<template>
<v-chart :forceFit="true" :height="height" :data="data" :scale="scale">
<v-tooltip :showTitle="false" dataKey="item*percent"/>
<v-axis/>
<v-legend dataKey="item"/>
<v-pie position="percent" color="item" :v-style="pieStyle" :label="labelConfig"/>
<v-coord type="theta"/>
</v-chart>
</template>
<script>
const DataSet = require('@antv/data-set')
export default {
props: {
title: {
type: String,
default: ''
},
height: {
type: Number,
default: 254
},
dataSource: {
type: Array,
default: () => [
{ item: '示例一', count: 40 },
{ item: '示例二', count: 21 },
{ item: '示例三', count: 17 },
{ item: '示例四', count: 13 },
{ item: '示例五', count: 9 }
]
}
},
data() {
return {
scale: [{
dataKey: 'percent',
min: 0,
formatter: '.0%'
}],
pieStyle: {
stroke: '#fff',
lineWidth: 1
},
labelConfig: ['percent', {
formatter: (val, item) => {
return item.point.item + ': ' + val
}
}]
}
},
computed: {
data() {
let dv = new DataSet.View().source(this.dataSource)
// 计算数据百分比
dv.transform({
type: 'percent',
field: 'count',
dimension: 'item',
as: 'percent'
})
return dv.rows
}
}
}
</script>