[問題] Openlayer載入GeoJSON資料

[VGGG (Yang)]

大家好，我想要在OSM上載入GeoJSON的資料，查看網路範例仍跑不出來
想請各位高手幫忙看看哪裡出問題，謝謝！

var osmlayer = new ol.layer.Tile({         //載入OSM
            source: new ol.source.OSM()
          });

          views = new ol.View({
            center: [13400000, 2650000],   //起始值
                zoom:10,
          });

          map = new ol.Map({
            target:'map',
            view: views
          });

var geo = new ol.layer.Vector({                     //載入GeoJSON檔
                  source: new ol.source.GeoJSON({
                    projection: 'EPSG:3857',
                        url: '/~E/NCKU2.geojson',
                  })
           });

map.addLayer(osmlayer);
map.addLayer(geo);

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