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| <template>
| <v-chart :forceFit="true" :height="height" :data="data" :scale="scale" :onClick="handleClick">
| <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')
| import { ChartEventMixins } from './mixins/ChartMixins'
|
| export default {
| name: 'Pie',
| mixins: [ChartEventMixins],
| 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>
|
|
