【bug】ie中不支持Object.values方法，所以将Object.values改成了Object.keys

ChenGuanglin · ChenGuanglin · commit b5068b68ae63 · 2019-07-04T15:34:41.000+08:00
review by zhaoq
diff --git a/src/openlayers/mapping/WebMap.js b/src/openlayers/mapping/WebMap.js
@@ -3290,7 +3290,8 @@ export class WebMap extends ol.Observable {
         });
         return new Promise((resolve) => {
             mapboxStyles.on('styleloaded', function () {
-                let url = Object.values(styles.sources)[0].tiles[0];
+                let key = Object.keys(styles.sources)[0] || mapboxStyles.name;
+                let url = styles.sources[key].tiles[0];
                 let layer = new ol.layer.VectorTile({
                     //设置避让参数
                     declutter: true,
