QT动态添加控件，并且自动布局

[{"title":"（ 22 个子文件 2.56MB ） QT动态添加控件，并且自动布局","children":[{"title":"flowlayout","children":[{"title":"window.cpp <span style='color:#111;'> 3.00KB </span>","children":null,"spread":false},{"title":"release","children":null,"spread":false},{"title":"说明.txt <span style='color:#111;'> 22B </span>","children":null,"spread":false},{"title":"debug","children":[{"title":"flowlayout.vc.pdb <span style='color:#111;'> 4.68MB </span>","children":null,"spread":false},{"title":"flowlayout.obj <span style='color:#111;'> 405.29KB </span>","children":null,"spread":false},{"title":"flowlayout.exe <span style='color:#111;'> 96.00KB </span>","children":null,"spread":false},{"title":"moc_window.cpp <span style='color:#111;'> 2.60KB </span>","children":null,"spread":false},{"title":"flowlayout.pdb <span style='color:#111;'> 4.39MB </span>","children":null,"spread":false},{"title":"main.obj <span style='color:#111;'> 77.08KB </span>","children":null,"spread":false},{"title":"flowlayout.ilk <span style='color:#111;'> 904.71KB </span>","children":null,"spread":false},{"title":"moc_predefs.h <span style='color:#111;'> 276B </span>","children":null,"spread":false},{"title":"moc_window.obj <span style='color:#111;'> 70.88KB </span>","children":null,"spread":false},{"title":"window.obj <span style='color:#111;'> 93.31KB </span>","children":null,"spread":false}],"spread":true},{"title":"main.cpp <span style='color:#111;'> 2.65KB </span>","children":null,"spread":false},{"title":"flowlayout.h <span style='color:#111;'> 3.55KB </span>","children":null,"spread":false},{"title":"window.h <span style='color:#111;'> 2.67KB </span>","children":null,"spread":false},{"title":"flowlayout.pro <span style='color:#111;'> 254B </span>","children":null,"spread":false},{"title":".qmake.stash <span style='color:#111;'> 1.34KB </span>","children":null,"spread":false},{"title":"flowlayout.cpp <span style='color:#111;'> 6.37KB </span>","children":null,"spread":false},{"title":"Makefile <span style='color:#111;'> 31.77KB </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 72.70KB </span>","children":null,"spread":false},{"title":"flowlayout.pro.user <span style='color:#111;'> 24.40KB </span>","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'> 72.45KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]