多屏分割，动态切换

[{"title":"（19个子文件6.63MB）多屏分割，动态切换","children":[{"title":"LayOut_test","children":[{"title":"Release","children":null,"spread":false},{"title":"LayOut_test.sln <span style='color:#111;'>888B</span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'>2.10KB</span>","children":null,"spread":false},{"title":"cwskcontrolwin.cpp <span style='color:#111;'>380B</span>","children":null,"spread":false},{"title":"Makefile <span style='color:#111;'>21.46KB</span>","children":null,"spread":false},{"title":"LayOut_test.vcxproj <span style='color:#111;'>15.19KB</span>","children":null,"spread":false},{"title":"ipch","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'>10.80KB</span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'>51.59KB</span>","children":null,"spread":false},{"title":"debug","children":null,"spread":false},{"title":"LayOut_test.pro.user <span style='color:#111;'>18.19KB</span>","children":null,"spread":false},{"title":"GeneratedFiles","children":[{"title":"ui_widget.h <span style='color:#111;'>2.97KB</span>","children":null,"spread":false}],"spread":true},{"title":"LayOut_test.pro <span style='color:#111;'>422B</span>","children":null,"spread":false},{"title":"LayOut_test.vcxproj.filters <span style='color:#111;'>3.47KB</span>","children":null,"spread":false},{"title":"LayOut_test.sdf <span style='color:#111;'>20.02MB</span>","children":null,"spread":false},{"title":"Win32","children":[{"title":"Debug","children":null,"spread":false}],"spread":false},{"title":"ui_widget.h <span style='color:#111;'>2.97KB</span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'>175B</span>","children":null,"spread":false},{"title":"LayOut_test.suo <span style='color:#111;'>14.00KB</span>","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'>50.59KB</span>","children":null,"spread":false},{"title":"LayOut_test.vcxproj.user <span style='color:#111;'>605B</span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'>891B</span>","children":null,"spread":false},{"title":"cwskcontrolwin.h <span style='color:#111;'>536B</span>","children":null,"spread":false}],"spread":false}],"spread":true}]