[{"title":"(5个子文件272.61MB)2020年全国道路数据SHP.7z","children":[{"title":"roads.shx <span style='color:#111;'>25.33MB</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},{"title":"roads.dbf <span style='color:#111;'>573.02MB</span>","children":null,"spread":false},{"title":"roads.shp <span style='color:#111;'>856.80MB</span>","children":null,"spread":false}],"spread":true}]