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<template>
<div :class="className" :style="{ height: height, width: width }" />
</template>
<script>
import * as echarts from "echarts"
// require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize"
const animationDuration = 2600
export default {
mixins: [resize],
props: {
className: {
type: String,
default: "chart",
},
width: {
type: String,
default: "100%",
},
height: {
type: String,
default: "350px",
},
autoResize: {
type: Boolean,
default: true,
},
chartData: {
type: Object,
required: true,
},
chartConfig: {
type: Object,
default: () => {
return {}
},
},
},
data() {
return {
chart: null,
pieConfig: {
title: {
text: "",
left: "center",
},
tooltip: {
trigger: "item",
formatter: "{b} : {c} ({d}%)",
},
legend: {
top: "bottom",
},
series: [
{
type: "pie",
radius: ["40%", "70%"],
itemStyle: {
borderRadius: 10,
borderColor: "#fff",
borderWidth: 2,
},
label: {
show: true,
formatter: "{b} : {c} ({d}%)",
},
emphasis: {
label: {
show: true,
fontSize: "16",
fontWeight: "bold",
},
},
data: [],
animationDuration,
},
],
},
}
},
watch: {
chartData: {
deep: true,
handler(val) {
this.setOptions(val)
},
},
},
mounted() {
this.$nextTick(() => {
this.initChart()
})
},
beforeDestroy() {
if (!this.chart) {
return
}
this.chart.dispose()
this.chart = null
},
methods: {
initChart() {
this.chart = echarts.init(this.$el)
this.setOptions(this.chartData)
},
setOptions(chartData) {
if (!chartData.data) return
let option = JSON.parse(
JSON.stringify(Object.assign(this.pieConfig, this.chartConfig))
)
const series = chartData.data.map((v) => {
return {
name: v.name,
value: Number(v.value),
}
})
option.series[0].data = series
this.chart.setOption(option)
},
},
}
</script>