QT二级菜单

[{"title":"（ 100 个子文件 2.02MB ） QT二级菜单","children":[{"title":"阅读须知.txt <span style='color:#111;'> 89B </span>","children":null,"spread":false},{"title":"Demo.sln <span style='color:#111;'> 1.04KB </span>","children":null,"spread":false},{"title":"Demo.suo <span style='color:#111;'> 52.50KB </span>","children":null,"spread":false},{"title":"EdgeToHide.ico <span style='color:#111;'> 2.67KB </span>","children":null,"spread":false},{"title":"Demo.qrc <span style='color:#111;'> 1.47KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]