QT的QTreeWidget有checkbox时轻松选中

[{"title":"（ 12 个子文件 265KB ） QT的QTreeWidget有checkbox时轻松选中","children":[{"title":"SeeTreeWidget","children":[{"title":"PureDialogBase.pro <span style='color:#111;'> 430B </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 6.43KB </span>","children":null,"spread":false},{"title":"PureDialogBase.pro.user <span style='color:#111;'> 20.20KB </span>","children":null,"spread":false},{"title":"test","children":[{"title":"MainDialog.h <span style='color:#111;'> 309B </span>","children":null,"spread":false},{"title":"MainDialog.ui <span style='color:#111;'> 2.74KB </span>","children":null,"spread":false},{"title":"MyTreeWidget.h <span style='color:#111;'> 397B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 189B </span>","children":null,"spread":false},{"title":"MyTreeWidget.cpp <span style='color:#111;'> 1.77KB </span>","children":null,"spread":false},{"title":"MainDialog.cpp <span style='color:#111;'> 762B </span>","children":null,"spread":false}],"spread":true},{"title":"Makefile.Release <span style='color:#111;'> 6.53KB </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"PureDialogBase.exe <span style='color:#111;'> 1.12MB </span>","children":null,"spread":false}],"spread":true},{"title":"Makefile <span style='color:#111;'> 6.08KB </span>","children":null,"spread":false},{"title":"release","children":null,"spread":false}],"spread":true}],"spread":true}]