QT QTreewidget显示和修改xml文件并导出

[{"title":"（ 6 个子文件 8KB ） QT QTreewidget显示和修改xml文件并导出","children":[{"title":"KmlDocumentModify.pro <span style='color:#111;'> 1013B </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 6.34KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"KmlDocumentModify.pro.user <span style='color:#111;'> 24.47KB </span>","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'> 13.19KB </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 999B </span>","children":null,"spread":false}],"spread":true}]