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|
| <template>
| <div class="echarts-box" id="rainLevelPieChart"></div>
| </template>
|
| <script>
| export default {
| data() {
| return {
| myChart: null,
| };
| },
|
| mounted() {
| this.$nextTick(() => {
| this.createPieChart();
| });
| },
| destroyed() {},
| methods: {
| createPieChart() {
| let data = [
| {
| name: "特大暴雨",
| value: 59,
| },
| {
| name: "大暴雨",
| value: 20,
| },
| {
| name: "暴雨",
| value: 281,
| },
| {
| name: "大雨",
| value: 59,
| },
| {
| name: "中雨",
| value: 29,
| },
| {
| name: "小雨",
| value: 281,
| },
| {
| name: "无雨",
| value: 281,
| },
| ];
| let total = data.reduce((prev, curr) => prev + curr.value, 0);
| if(!this.myChart) {
| this.myChart = this.$echarts.init(
| document.getElementById('rainLevelPieChart')
| );
| }
| let option = {
| legend: {
| orient: "vertical",
| left: "50%",
| top: 15,
| width: "100%",
| itemGap: 10,
| itemWidth: 8,
| itemHeight: 8,
| formatter: function (name) {
| let value = 0;
| data.forEach((item) => {
| if (item.name == name) {
| value = item.value;
| }
| });
| return `${name} ${value}个 ${((value * 100) / total).toFixed(
| 2
| )}%`;
| },
| textStyle: {
| color: "#fff",
| fontSize: 16,
| fontFamily: "Roboto-Bold",
| },
| },
| radar: [
| {
| indicator: [
| { text: "Indicator1" },
| { text: "Indicator2" },
| { text: "Indicator3" },
| { text: "Indicator4" },
| { text: "Indicator5" },
| ],
| center: ["25%", "50%"],
| radius: "80%",
| startAngle: 90,
| splitNumber: 1,
| shape: "circle",
| axisName: {
| show: false,
| },
| splitArea: {
| areaStyle: {
| color: ["rgba(0, 0, 0, 0.2)"],
| },
| },
| axisLine: {
| lineStyle: {
| color: "rgba(211, 253, 250, 0)",
| },
| },
| splitLine: {
| lineStyle: {
| color: "rgba(51, 114, 210, .5)",
| },
| },
| },
| ],
| color: [
| "#DB983F",
| "#5D4EC5",
| "#379CF2",
| "#81E79C",
| "#AA8A6E",
| "#71E4D5",
| "#CDE5FF",
| ],
| series: [
| {
| name: "降雨等级",
| type: "pie",
| radius: ["50%", "65%"],
| center: ["25%", "50%"],
| label: {
| show: true,
| position: "center",
| color: "#D4E8F8",
| fontSize: 34,
| fontFamily: "Roboto-Bold",
| formatter: () => {
| return total;
| },
| },
| labelLine: {
| show: false,
| },
| itemStyle: {
| borderRadius: 0,
| },
| data,
| },
| ],
| };
| this.myChart.setOption(option);
| },
| },
| };
| </script>
|
| <style lang="scss" scoped>
| .echarts-box {
| width: 100%;
| height: 210px;
| }
| </style>
|
|
