vue3的echarts实例

<template>
  <div class="ma" ref="ma"></div>
</template>

<script setup lang="ts">
  import { ref, onMounted } from 'vue'
  import * as echarts from 'echarts'
  let ma = ref()
  onMounted(() => {
    console.log(ma.value)
    // 基于准备好的dom，初始化echarts实例
    let myChart = echarts.init(ma.value)
    // 绘制图表
    myChart.setOption({
      title: {
        text: 'ECharts 入门示例'
      },
      tooltip: {},
      xAxis: {
        data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
      },
      yAxis: {},
      series: [
        {
          name: '销量',
          type: 'bar',
          data: [5, 20, 36, 10, 10, 20]
        }
      ]
    })
  })
</script>

<style scoped>
  .ma {
    height: 200px;
    width: 200px;
  }
</style>