顯示map server中的指定圖層

map爲當前地圖

private var dyn:ArcGISDynamicMapServiceLayer = :ArcGISDynamicMapServiceLayer(map.getLayer(“myDataLayer”));

map.getLayer(“myDataLayer”).visible=true;

var layerId:int;

layerId=1;

dyn.visibleLayers.removeAll();

dyn.visibleLayers.addItem(layerId);

dyn.refresh();