PieEchart.vue
4.06 KB
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<template>
<div :class="className" :style="{height:height,width:width}"></div>
</template>
<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import {debounce} from '../../utils/debounce'
export default {
name: 'PieEchart',
props: {
className: {
type: String,
default: 'chart'
},
width: {
type: String,
default: '100%'
},
height: {
type: String,
default: '100%'
},
autoResize: {
type: Boolean,
default: true
},
chartData: {
type: Object,
required: true
}
},
data() {
return {
chart: null
}
},
watch: {
chartData: function () {
this.$nextTick(()=>{
this.initChart()
})
}
},
mounted() {
this.initChart()
if (this.autoResize) {
this.__resizeHandler = debounce(() => {
if (this.chart) {
this.chart.resize()
}
}, 100)
window.addEventListener('resize', this.__resizeHandler)
}
},
beforeDestroy() {
if (!this.chart) {
return
}
if (this.autoResize) {
window.removeEventListener('resize', this.__resizeHandler)
}
this.chart.dispose()
this.chart = null
},
methods: {
setOptions({yData} = {}) {
if(yData[0] == 0){
var per = '0%'
}else{
var per = ((yData[1]/(yData[0]+yData[1]))*100).toFixed(2)+'%'
}
this.chart.setOption(
{
tooltip: {
show:false
},
series: [
{
type: 'pie',
radius: ['60%', '75%'],
center: ['50%', '50%'],
hoverAnimation:false,
label: {
show: false
},
lableLine: {
show: false
},
data: [
{
value: yData[0],
name: '空余',
itemStyle: {
normal: {
color: {
colorStops: [{
offset: 0,
color: '#00CAFE' // 0% 处的颜色
}, {
offset: 1,
color: '#2772F4' // 100% 处的颜色
}]
},
}
}
},
{
value: yData[1],
name: '占有',
itemStyle: {
normal: {
color: {
colorStops: [{
offset: 0,
color: '#FFBA00' // 0% 处的颜色
}, {
offset: 1,
color: '#FF8100' // 100% 处的颜色
}]
},
}
}
},
],
animationType: 'scale',
animationEasing: 'elasticOut'
},
{
name: '', type: 'pie',
clockWise: true,hoverAnimation: false,
radius: ['90%', '90%'],
label: { normal: { position: 'center' }},
data: [{
value: 0,
label: {
normal: {
formatter: per,//小数点后一位
textStyle: {
color: '#fe8b53',
fontSize: 18,
fontWeight: 'normal'
}
}
}
}, {
tooltip: {show: false},
label: {
normal: {
formatter: '\n占有',
textStyle: {
color: '#bbeaf9',fontSize: 12
}
}
}
}]
}
]
}
)
},
initChart() {
this.chart = echarts.init(this.$el)
this.setOptions(this.chartData)
},
}
}
</script>