高德地图判断点的位置是否在浏览器可视区域内

creatEnterpriseDetailMark (markerColor, options) {
  const bounds = this.Map.getBounds();

  const NorthEast = bounds.getNorthEast();
  const SouthWest = bounds.getSouthWest();
  const SouthEast = [NorthEast.lng, SouthWest.lat];
  const NorthWest = [SouthWest.lng, NorthEast.lat];
  const path = [[NorthEast.lng, NorthEast.lat], SouthEast, [SouthWest.lng, SouthWest.lat], NorthWest]; // 将地图可视区域四个角位置按照顺序放入path，用于判断point是否在可视区域
  const isPointInRing = AMap.GeometryUtil.isPointInRing(options.position, path); // 判断point是否在可视区域
  let zoom;
  this.Map.remove(this.areaMarks);

  const icon = markerColor ? markerColor : ‘#4fd0f7‘;
  if (!options.position) {
    return;
  }
  // this.Map.setZoom(11);
  // this.Map.panTo(options.position);

  const enterpriseMarker = new AMap.CircleMarker({ // 绘制企业位置mark
    map: this.Map,
    center: options.position,
    radius: 8,
    strokeColor: ‘white‘,
    strokeWeight: 2,
    strokeOpacity: 0.5,
    fillColor: icon,
    fillOpacity: 1,
    zIndex: 10,
    bubble: true,
    cursor: ‘pointer‘,
    clickable: true,
    extData: {
      id: options.id,
      name: options.name,
      position: options.position
    }
  });
  const changeZoom = () => {
    this.Map.setZoomAndCenter(zoom, options.position);
    this.Map.off(‘zoomend‘, changeZoom); // 移除zoomend事件绑定 https://lbs.amap.com/api/javascript-api/reference/event
  };
  if (!isPointInRing) {
    zoom = this.Map.getZoom(); // 保存当前的缩放级别，用于后面恢复
    // this.Map.setFitView();
    this.Map.setZoom(10);
    this.Map.on(‘zoomend‘, changeZoom);
  }
  this.areaMarks.push(enterpriseMarker);
}