回答

首先安装

npm install echarts  --save

代码：

<template>
<div  id="chart" style="width:100%;height:400px;" ></div>
</template>

<script lang="ts">
import { defineComponent, ref } from "vue";
import * as echarts from 'echarts';
import { onBeforeMount, onMounted, onBeforeUpdate, onUpdated, onBeforeUnmount, onUnmounted, onActivated, onDeactivated, onErrorCaptured } from 'vue'


export default defineComponent({
  setup() {
 onActivated(() => {

      // initialize the echarts instance
var myChart = echarts.init(document.getElementById('chart'));
// Draw the chart
myChart.setOption({
  title: {
    text: '用户增长图'
  },
  tooltip: {},
  xAxis: {
    data: ['shirt', 'cardigan', 'chiffon', 'pants', 'heels', 'socks']
  },
  yAxis: {},
  series: [
    {
      name: 'sales',
      type: 'bar',
      data: [5, 20, 36, 10, 10, 20]
    }
  ]
});
    })




  },
});
</script>