BarMultid.vue
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<template>
<div :style="{ padding: '0 0 32px 32px' }">
<h4 :style="{ marginBottom: '20px' }">{{ title }}</h4>
<v-chart :data="data" :height="height" :force-fit="true" :scale="scale" :onClick="handleClick">
<v-tooltip/>
<v-axis/>
<v-legend/>
<v-bar position="x*y" color="type" :adjust="adjust"/>
</v-chart>
</div>
</template>
<script>
import { DataSet } from '@antv/data-set'
import { ChartEventMixins } from './mixins/ChartMixins'
export default {
name: 'BarMultid',
mixins: [ChartEventMixins],
props: {
title: {
type: String,
default: ''
},
dataSource: {
type: Array,
default: () => [
{ type: 'Jeecg', 'Jan.': 18.9, 'Feb.': 28.8, 'Mar.': 39.3, 'Apr.': 81.4, 'May': 47, 'Jun.': 20.3, 'Jul.': 24, 'Aug.': 35.6 },
{ type: 'Jeebt', 'Jan.': 12.4, 'Feb.': 23.2, 'Mar.': 34.5, 'Apr.': 99.7, 'May': 52.6, 'Jun.': 35.5, 'Jul.': 37.4, 'Aug.': 42.4 }
]
},
fields: {
type: Array,
default: () => ['Jan.', 'Feb.', 'Mar.', 'Apr.', 'May', 'Jun.', 'Jul.', 'Aug.']
},
// 别名，需要的格式：[{field:'name',alias:'姓名'}, {field:'sex',alias:'性别'}]
aliases: {
type: Array,
default: () => []
},
height: {
type: Number,
default: 254
}
},
data() {
return {
adjust: [{
type: 'dodge',
marginRatio: 1 / 32
}]
}
},
computed: {
data() {
const dv = new DataSet.View().source(this.dataSource)
dv.transform({
type: 'fold',
fields: this.fields,
key: 'x',
value: 'y'
})
// bar 使用不了 - 和 / 所以替换下
let rows = dv.rows.map(row => {
if (typeof row.x === 'string') {
row.x = row.x.replace(/[-/]/g, '_')
}
return row
})
// 替换别名
rows.forEach(row => {
for (let item of this.aliases) {
if (item.field === row.type) {
row.type = item.alias
break
}
}
})
return rows
},
scale() {
return [
{
type: 'cat',
dataKey: 'x'
}
]
}
}
}
</script>
<style scoped>
</style>