【记录5】openlayers 禁止地图旋转

在ol.View下放 enableRotation: false,

const map = new ol.Map({
        target: 'mapCon',
        layers: [gaodeMapLayer],
        view: new ol.View({
          projection: 'EPSG:4326',
          center: [initLng, initLat],
          zoom: 12,
          maxzoom: 20,
          //这里加入下面代码
          enableRotation: false,
        }),