//待服务加载完成后,设置视野范围到全图范围
layer.on('load', function () {
var extent = map.getLayer(map.layerIds[0]).fullExtent;
extent.spatialReference = map.spatialReference;
map.setExtent(extent);
});
//待服务加载完成后,设置视野范围到全图范围
layer.on('load', function () {
var extent = map.getLayer(map.layerIds[0]).fullExtent;
extent.spatialReference = map.spatialReference;
map.setExtent(extent);
});