Openlayer图层载入时进行坐标系的转换

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Openlayer地图和要添加的图层坐标系不一致的时候,需要进行转换,如下例所示:var format = new ol.format.WKT();var feature;$.each(data, function (i, link) {    feature = format.readFeature(link.geom, {      dataProjection: 'EPSG:4326',      featureProjection: 'EPSG:3857'    });    wktTraffic.addFeature(feature);})
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