[{"title":"( 4 个子文件 2.65MB ) 全国五级河流(shp)","children":[{"title":"五级河流","children":[{"title":"River5_polyline.shx <span style='color:#111;'> 23.28KB </span>","children":null,"spread":false},{"title":"River5_polyline.prj <span style='color:#111;'> 170B </span>","children":null,"spread":false},{"title":"River5_polyline.dbf <span style='color:#111;'> 545.29KB </span>","children":null,"spread":false},{"title":"River5_polyline.shp <span style='color:#111;'> 4.02MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]