QTreeView 使用自定义Model

[{"title":"（ 7 个子文件 5KB ） QTreeView 使用自定义Model","children":[{"title":"treeview","children":[{"title":"TagTreeModel.h <span style='color:#111;'> 1.01KB </span>","children":null,"spread":false},{"title":"images","children":[{"title":"fold.png <span style='color:#111;'> 1.79KB </span>","children":null,"spread":false}],"spread":true},{"title":"historycurvetool.pro <span style='color:#111;'> 198B </span>","children":null,"spread":false},{"title":"TreeItem.h <span style='color:#111;'> 621B </span>","children":null,"spread":false},{"title":"TreeItem.cpp <span style='color:#111;'> 823B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 471B </span>","children":null,"spread":false},{"title":"TagTreeModel.cpp <span style='color:#111;'> 3.35KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]