{ "layers": [ { "layerId": 0, "layerName": "排水口点位_2000_42数据", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "324711d595e825591c69c8348d8e94e6", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAlElEQVQ4jWNhoDJgGTVw1EA4aIDSB6CYIgMbfJW16xkYGBhuvntdf+v9q0YkC0g20EFNUKzeR0mbgYGBgcFHiYFhy72r9ZvvXkV2NWkGqguJElBCmoEY4Oa71wwMeMKRkIENm+9eZbj57nU9zKXQMCTbQAYGBoaGW+9fHbj1/pUDjI9PMbFePoDPVeQYSDQYNZByAAChGCnsiAJhVwAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }