我试图通过使用google-maps-utility-library-v3的JSNI来调用的markerwithlabel.js来创建标签标记。然而,我总是收到这样的异常:
com.google.gwt.core.client.JavaScriptException: (TypeError) @com.gwt.map.client.GWTMapObject function MarkerLabel_(marker, crossURL, handCursorURL){ ...} has no method 'getSharedCro