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| <script setup>
| import { onMounted, ref, watchEffect, nextTick, onBeforeUnmount } from "vue";
| import * as echarts from 'echarts';
| import baseChart from "./BaseChart.vue";
| import { toFixed } from '@/utils/toFixed.js';
| import hexToRgba from '@/utils/hexToRgba.js';
|
| const chart = ref(null);
| const props = defineProps({
| title: {
| type: String,
| default: ''
| },
| unit: {
| type: String,
| default: ''
| },
| // barW: {
| // type: [Number, String],
| // default: 60,
| // },
| });
|
|
|
|
| const color = '#13ACBE';
| const topColor = '#07FBFF';
| const minColor = '#f00';
| const maxColor = '#0f0';
|
| function getMax(data) {
| let max = Math.max.apply(null, data) * 1.2;
| return toFixed(max, 1) || 1;
| }
|
|
| function getOptions(datas) {
| // {value, name}
| datas = datas || [];
|
|
| const option = {
| tooltip: {
| trigger: 'item',
| formatter: "{a} <br/>{b} : {c} ({d}%)"
| },
| series: [{
| name: '性能占比',
| type: 'pie',
| radius: '48%',
| center: ['50%', '50%'],
| clockwise: false,
| data: datas,
| label: {
| textStyle: {
| color: '#0ff',
| fontSize: 14,
| },
| // 自动调整重叠标签
| // autoAdjustOverlap: true,
| // 标签位置
| position: 'outside',
| // 标签文本样式
| formatter: '{b}:\n {d}% \n {c}'
| },
| labelLine: {
| length: 20,
| length2: 8,
| minTurnAngle: 40, // 最小角度,防止标签重叠
| maxSurfaceAngle: 110, // 限制引导线与扇区法线的最大夹角
| show: true
| },
| itemStyle: {
| borderWidth: 2,
| borderColor: '#ffffff',
| emphasis: {
| borderWidth: 0,
| shadowBlur: 10,
| shadowOffsetX: 0,
| shadowColor: 'rgba(0, 0, 0, 0.5)'
| }
| },
| emptyCircleStyle: {
| color: '#73c0de',
| borderWidth: 0
| }
| }],
| color: [
| '#00acee',
| '#52cdd5',
| '#79d9f1',
| '#a7e7ff',
| '#c8efff'
| ],
| };
|
| return option;
| }
|
| let myChart = null;
| let chart_instance = null;
|
| function initChart() {
| if (chart.value) {
| // myChart = chart.value.getChart();
|
| let option = getOptions();
| chart.value.setOption(option);
| chart_instance = chart.value.getChart();
| }
| }
|
| function updateChart(datas) {
| if (chart.value) {
| let option = getOptions(datas);
| chart.value.setOption(option);
| }
| }
|
| function getChart() {
| return chart_instance;
| }
|
| function getDataURL() {
| return chart.value.getDataURL();
| }
|
| defineExpose({
| getChart,
| getDataURL,
| updateChart
| });
|
| onMounted(() => {
| // console.log('line mounted', '=============');
|
| initChart();
| });
| </script>
|
| <template>
| <div class="line-chart">
| <base-chart ref="chart"></base-chart>
| </div>
| </template>
|
| <style scoped>
| .line-chart {
| width: 100%;
| height: 100%;
| }
| </style>
|
|
