QstackedWidget添加滚动条根据QlistWidget所选生成不同内容

[{"title":"（ 13 个子文件 21KB ） QstackedWidget添加滚动条根据QlistWidget所选生成不同内容","children":[{"title":"demo","children":[{"title":"操作.png <span style='color:#111;'> 12.89KB </span>","children":null,"spread":false},{"title":"程序","children":[{"title":"ForUi.qrc <span style='color:#111;'> 65B </span>","children":null,"spread":false},{"title":"tree.cpp <span style='color:#111;'> 16.54KB </span>","children":null,"spread":false},{"title":"polygonShow.cpp <span style='color:#111;'> 1.29KB </span>","children":null,"spread":false},{"title":"ForUi.ui <span style='color:#111;'> 1.72KB </span>","children":null,"spread":false},{"title":"variant.cpp <span style='color:#111;'> 37B </span>","children":null,"spread":false},{"title":"polygon.ui <span style='color:#111;'> 418B </span>","children":null,"spread":false},{"title":"polygonShow.h <span style='color:#111;'> 918B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 181B </span>","children":null,"spread":false},{"title":"ForUi.cpp <span style='color:#111;'> 445B </span>","children":null,"spread":false},{"title":"variant.h <span style='color:#111;'> 21B </span>","children":null,"spread":false},{"title":"tree.h <span style='color:#111;'> 2.17KB </span>","children":null,"spread":false},{"title":"ForUi.h <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}]