vue3引入echarts

安装

npm install echarts --save

main.ts

import { createApp } from 'vue'
import './style.css'

import * as echarts from 'echarts'

import App from './App.vue'
// @ts-ignore
import router from "./router/index"

const app = createApp(App)
app.use(router)
app.mount('#app')
app.config.globalProperties.$echarts = echarts

bar.vue

<template>
    <div id="char" style="width: 600px; height: 600px"></div>
  </template>
  
    
<script lang='ts' setup>
import {onMounted} from 'vue';
// Echarts 为init（dom元素后的类型）
// EChartsOption 为 option 的类型
import {ECharts, EChartsOption, init} from 'echarts';

onMounted(() => {
  const charEle = document.getElementById('char') as HTMLElement;
  const charEch: ECharts = init(charEle);
  const option: EChartsOption = {
    xAxis: {
      type: 'category',
      data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
    },
    yAxis: {
      type: 'value'
    },
    series: [
      {
        data: [150, 230, 224, 218, 135, 147, 260],
        type: 'bar'
      }
    ]
  };
  charEch.setOption(option);
});
</script>

    
<style scoped>

</style>