页面调整

src/utils/ol-map/Map.js

@@ -122,7 +122,8 @@ class Map {
 	  this.tdtImgLayer = new WMTSLayer(img_wmts.data, projection,this);
 	  this.cva_torLayer = new  WMTSLayer(cva_wmts.data,projection,this);
 	  let xyz2 = config.base_img_url3 + 'map/lby/{z}/{x}/{y}.png';
-	  this.addXYZLayer(xyz2,{minZoom:15,maxZoom:22});
+	  let xyz = this.addXYZLayer(xyz2,{minZoom:8,maxZoom:22});
+	  xyz.layer.setVisible(true)
   }
 	addXYZLayer(url,options){
 		let xyz = new XYZLayer(url,options,3);

src/utils/ol-map/XYZLayer.js

@@ -47,7 +47,7 @@ class XYZLayer extends LTBaseObject{
 			maxZoom:maxZoom,
 			minZoom:minZoom,
 			zIndex:zIndex,
-			extent:options.extent || [Infinity, -Infinity, -Infinity, Infinity]
+			extent:options.extent || null
 		})
 		if(options && options.padding != undefined){
 			vm.layer.set('padding',options.padding)