        color: '#ffcc33',
                        width: 2
                    }),
                    image: new ol.style.Circle({
                        radius: 7,
                        fill: new ol.style.Fill({
                            color: '#ffcc33'
                        })
                    })
                });
            vectorLayer = new ol.layer.Vector({
                source: vectorSource,
                style: commonStyle
            });
            //将绘制层添加到地图�