echarts自适应屏幕大小Vue

<template>
    <div id="main" v-loading="loading">
      <h3 class="title-h3">报事量分析（不含查询当日）</h3>
        <div id='myChart' ref="myChart"></div>
    </div>
</template>
methods:{
    
    
initEcharts() {
    
    
	   this.myChart = echarts.init(this.$refs.myChart)
	    this.myChart.setOption(this.option)
	    window.addEventListener('resize', () => {
    
     // 这里用箭头函数
	      this.myChart.resize()
	    })
 	}
 }