ChartItem.vue

<script setup lang="ts">
import { reactive, onMounted } from 'vue';
import { getRandomPresetColor } from '../utils';
import * as echarts from 'echarts';
type EChartsOption = echarts.EChartsOption;
type ECharts = echarts.ECharts;

interface Props {
  id: string;
}
const props = withDefaults(defineProps<Props>(), {
  id: 'mychart',
});

interface ChartDomsType {
  [proppName: string]: ECharts | null | undefined;
}

const chartDoms = reactive<ChartDomsType>({});

onMounted(() => {
  setTimeout(() => {
    getLeftChart();
    getRightChart();
  }, 500);
});
function getLeftChart() {
  const id = `${props.id}-left`;
  const domkey = `chartLeftDom${props.id}`;

  let myChart = chartDoms[domkey];
  if (myChart != null && myChart != undefined) {
    chartDoms[domkey]?.dispose();
  }
  const chartDom = document.getElementById(id) as HTMLElement;
  if (chartDom) {
    myChart = echarts.init(chartDom);
    let option: EChartsOption;
    option = {
      color: getRandomPresetColor(),
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'line',
        },
      },
      xAxis: {
        type: 'category',
        data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
      },
      yAxis: {
        type: 'value',
      },
      series: [
        {
          data: getRandomData(),
          type: 'line',
        },
      ],
    };
    option && myChart.setOption(option);
  }
}

function getRightChart() {
  const id = `${props.id}-right`;
  const domkey = `chartRightDom${props.id}`;

  let myChart = chartDoms[domkey];
  if (myChart != null && myChart != undefined) {
    chartDoms[domkey]?.dispose();
  }
  const chartDom = document.getElementById(id) as HTMLElement;
  if (chartDom) {
    myChart = echarts.init(chartDom);
    let option: EChartsOption;
    option = {
      color: getRandomPresetColor(),
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'shadow',
        },
      },
      xAxis: {
        type: 'category',
        data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
      },
      yAxis: {
        type: 'value',
      },
      series: [
        {
          data: getRandomData(),
          type: 'bar',
        },
      ],
    };
    option && myChart.setOption(option);
  }
}

function getRandomData() {
  let arr = [];
  for (let i = 0; i < 7; i++) {
    arr.push(Math.round(Math.random() * 300));
  }
  return arr;
}
</script>
<template>
  <div class="map full-width">
    <div class="q-ml-sm" :id="`${props.id}-left`"></div>
    <div class="q-mr-sm" :id="`${props.id}-right`"></div>
  </div>
</template>

<style lang="scss" scoped>
.map {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: $padding-md;
  > div {
    border: 1px solid $border-color;
    height: 600px;
  }
}
</style>