cnpm i --save echarts
import * as echarts from 'echarts';

<template>
  <div id="echartLine" class="echartDiv">
    折線(xiàn)圖
  </div>
</template>

<template>
  <div id="echartLine" class="echartDiv" style="width: 100%;height: 400px;">
  </div>
</template>
<script>
  import * as echarts from 'echarts';
  import { onMounted,nextTick } from 'vue';
  export default {
    setup(){
      const echartInit = () =>{;
        var myChart = echarts.init(document.getElementById('echartLine'));
        // 指定圖表的配置項(xiàng)和數(shù)據(jù)
        let option = {
          tooltip: {
            trigger: 'item'
          },
          series: [
            {
              name: '西安',
              type: 'pie',
              radius: ['55%', '70%'],
              avoidLabelOverlap: false,
              itemStyle: {
                borderRadius: 30,
                borderColor: '#fff',
                borderWidth: 15
              },
              emphasis: {
                label: {
                  show: true,
                  fontSize: '40',
                  fontWeight: 'bold'
                }
              },
              data: [
                { value: 1048, name: '大盤(pán)雞' },
                { value: 735, name: '紅油米線(xiàn)' },
                { value: 580, name: '淳化活絡(luò)' },
                { value: 484, name: '肉夾饃' },
                { value: 300, name: '牛肉面' }
              ]
            }
          ]
        };
        // 使用剛指定的配置項(xiàng)和數(shù)據(jù)顯示圖表。
        myChart.setOption(option);
      }
      //掛載
      onMounted(()=>{
        nextTick(()=>{
          echartInit()
        })
      })
      return {
      };
    }
  }
</script>