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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 'echarts-liquidfill';
|
| const chart = ref(null);
| const props = defineProps({
| // type: {
| // type: String,
| // default: '电压'
| // },
| title: {
| type: String,
| default: '直流输出电流'
| },
| unit: {
| type: String,
| default: 'A'
| }
| });
|
| const barWidth = 60;
|
|
| const colors = ['#196EB1', '#12D2AD', '#C75C86'];
|
| function getMax(data) {
| let max = Math.max.apply(null, data) * 1.2;
| return toFixed(max, 1) || 1;
| }
|
|
| function getOptions(datas) {
| datas = datas || 0;
| const option = {
| title: {
| text: props.title,
| left: 'center',
| top: 'bottom',
| textStyle: {
| color: '#08b5d6',
| fontWeight: 'normal',
| fontSize: 14
| }
| },
| series: [
| {
| type: 'liquidFill', //水位图
| radius: '76%', //显示比例
| center: ['50%', '50%'], //中心点
| amplitude: 20, //水波振幅
| // data: [0.5, 0.5, 0.5], // data个数代表波浪数
| data: [0.5, {
| value: 0.5,
| phase: Math.PI,
| itemStyle: {
| color: '#1A9840'
| }
| }, 0.5],
| phase: 0,
| period: 4000,
| waveLength: '100%',
| color: '#c72',
| animationDurationUpdate: 2000,
| color: ['#23cc72'], //波浪颜色
| backgroundStyle: {
| borderWidth: 6, //外边框
| borderColor: '#23cc72', //边框颜色
| color: 'transparent', //边框内部填充部分颜色
| },
| label: {
| //标签设置
| normal: {
| position: ['50%', '50%'],
| formatter: datas + props.unit, //显示文本,
| color: '#23cc72',
| textStyle: {
| fontSize: '36px', //文本字号,
| fontFamily: 'YouSheBiaoTiHei',
| // backgroundColor: '#23cc72',
| // color: '#fff',
| },
| },
| },
| outline: {
| show: false,//最外层边框显示控制
| },
| },
| ],
| };
|
| 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>
|
|
