qt文件读取，数据排序

[{"title":"（ 27 个子文件 677KB ） qt文件读取，数据排序","children":[{"title":"maps_system(1)","children":[{"title":"maps_system.pro.user.3.2-pre1 <span style='color:#111;'> 17.66KB </span>","children":null,"spread":false},{"title":"search_result_list.txt <span style='color:#111;'> 100.51KB </span>","children":null,"spread":false},{"title":"updatadata.dat <span style='color:#111;'> 1.04MB </span>","children":null,"spread":false},{"title":"search.c <span style='color:#111;'> 6.12KB </span>","children":null,"spread":false},{"title":"search.h <span style='color:#111;'> 288B </span>","children":null,"spread":false},{"title":"readfile.c <span style='color:#111;'> 4.30KB </span>","children":null,"spread":false},{"title":"listsortdata.txt <span style='color:#111;'> 3.91MB </span>","children":null,"spread":false},{"title":"arraysortdata.txt <span style='color:#111;'> 3.91MB </span>","children":null,"spread":false},{"title":"GTBL.dat <span style='color:#111;'> 1.04MB </span>","children":null,"spread":false},{"title":"sort.c <span style='color:#111;'> 5.10KB </span>","children":null,"spread":false},{"title":"sort.h <span style='color:#111;'> 647B </span>","children":null,"spread":false},{"title":"maps_system.pro.user <span style='color:#111;'> 23.27KB </span>","children":null,"spread":false},{"title":"writefile.c <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"updatefile.c <span style='color:#111;'> 966B </span>","children":null,"spread":false},{"title":"menu.h <span style='color:#111;'> 68B </span>","children":null,"spread":false},{"title":"Macro.h <span style='color:#111;'> 1.29KB </span>","children":null,"spread":false},{"title":"tree.c <span style='color:#111;'> 1.34KB </span>","children":null,"spread":false},{"title":"readfile.h <span style='color:#111;'> 127B </span>","children":null,"spread":false},{"title":"menu.c <span style='color:#111;'> 7.75KB </span>","children":null,"spread":false},{"title":"search_result_array.txt <span style='color:#111;'> 3.34KB </span>","children":null,"spread":false},{"title":"updatefile.h <span style='color:#111;'> 129B </span>","children":null,"spread":false},{"title":"tree.h <span style='color:#111;'> 210B </span>","children":null,"spread":false},{"title":"maps_system.pro.user.e8e5e4c <span style='color:#111;'> 17.66KB </span>","children":null,"spread":false},{"title":"treesortdata.txt <span style='color:#111;'> 3.91MB </span>","children":null,"spread":false},{"title":"maps_system.pro <span style='color:#111;'> 353B </span>","children":null,"spread":false},{"title":"writefile.h <span style='color:#111;'> 195B </span>","children":null,"spread":false},{"title":"main.c <span style='color:#111;'> 218B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]