[{"title":"( 5 个子文件 460.39MB ) 2020全国道路shp","children":[{"title":"roads.dbf <span style='color:#111;'> 573.02MB </span>","children":null,"spread":false},{"title":"roads.shx <span style='color:#111;'> 25.33MB </span>","children":null,"spread":false},{"title":"roads.shp <span style='color:#111;'> 856.80MB </span>","children":null,"spread":false},{"title":"roads.cpg <span style='color:#111;'> 6B </span>","children":null,"spread":false},{"title":"roads.prj <span style='color:#111;'> 144B </span>","children":null,"spread":false}],"spread":true}]