self.set_header('Access-Control-Allow-Methods','POST,GET') self.set_header('Access-Control-Max-Age...underscorejs.net/js/underscore.js"> maps.../api.json',function(data){ layers=_.mapObject(data,(table,name)=>{ var markers=_.map(table,row=>...); return markers;})function markerClick(e) { infoWindow.setContent(e.target.content);...,name)=>{_.each(markers,marker=>{marker.setLabel({ offset: new AMap.Pixel(0, 0), content