关于ECHART在浏览器窗口变化 时 重设大小

   methods: {
    drawFunnel() {
      let myChart = echarts.init(document.getElementById("Funnel"));
      //确定echart容器--------------------------------------------------------------------------------------------------------------------------------------
 let option = {
    geo: {
        map: 'china',
        label: {
            normal: {
                show: true
            },
            emphasis: {
                show: false
            }
        },
        itemStyle: {
            normal: {
                color: '#45aaf2', //地图背景色
                borderColor: '#516a89', //省市边界线00fcff 516a89
                borderWidth: 1
            },
            emphasis: {
                color: '#fff' //悬浮背景
            }
        }
    },
    series: {
        type: 'scatter',
        coordinateSystem: 'geo',
        zlevel: 2,
        rippleEffect: {
            period: 4,
            brushType: 'stroke',
            scale: 4
        },
        label: {
            normal: {
                show: true,
                formatter: '{b}',
                textStyle: {
                    color: "#fff"
                }
            },
            emphasis: {
                show: true,
                color: "#fff"
            }
        },
        symbol: 'arrow',
        symbolSize: 50,
        data: [{
            name: '昌平',
            value: [116.4551, 40.2539, 10]
        }, {
            name: '临沂',
            value: [118.1582, 36.8701, 10]
        }, {
            name: '南昌',
            value: [116.0046, 28.6633, 10]
        }],
    }
};

      //设定配置-------------------------------------------------------------------------------------------------------------------------------------------------
      myChart.setOption(option);
       window.addEventListener("resize", function() {
        myChart.resize();
    });
    }
  },