封装一个通用的根据不同数据源渲染不同Echarts效果图的组件

CommonEcharts.vue

<!--CommonEcharts.vue -->
<template>
  <div ref="echartsDom" :style="{ width, height }"></div>
</template>

<script lang="ts">
import { ref, toRefs, watch, onMounted, defineComponent } from 'vue';
import { init } from 'echarts';

export default defineComponent({
  name: 'CommonEcharts',
  props: {
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '100%'
    },
    options: {
      type: Object,
      default: () => {
        return {};
      }
    }
  },
  setup(props) {
    const { options } = toRefs(props);
    const echartsDom = ref(null);
    let echartInstance = null;

    const initChart = () => {
      echartInstance = init(echartsDom.value);
      echartInstance.setOption(options.value);
    };

    onMounted(() => {
      initChart();
    });

    watch(
      options,
      (to) => {
        echartInstance.setOption(to);
      },
      { deep: true }
    );

    return { echartsDom };
  }
});
</script>

<style scoped></style>

Test.vue

<template>
  <div class="footer">
    <div class="analysis">
      <Title :title="'能流图'">
        <template v-slot:titleSlot>
          <el-date-picker popper-class="elDatePicker" v-model="dayValue" type="date" placeholder="选择日期" size="small" />
        </template>
      </Title>
      <div class="container">
        <CommonEcharts :options="myOptions" style="width: 100%; height: 160px" />
      </div>
    </div>
  </div>
</template>

<script setup>
import { onMounted, reactive } from 'vue';
import CommonEcharts from '@/components/CommonEcharts.vue';

const myOptions = reactive({});

onMounted(() => {});
</script>

<style lang="less" scoped></style>