Qt拖放功能

[{"title":"（ 18 个子文件 170KB ） Qt拖放功能","children":[{"title":"drag","children":[{"title":"images","children":[{"title":"heart.png <span style='color:#111;'> 13.25KB </span>","children":null,"spread":false},{"title":"5.png <span style='color:#111;'> 17.38KB </span>","children":null,"spread":false},{"title":"fish.png <span style='color:#111;'> 16.40KB </span>","children":null,"spread":false},{"title":"1.png <span style='color:#111;'> 25.65KB </span>","children":null,"spread":false},{"title":"sheep.png <span style='color:#111;'> 14.12KB </span>","children":null,"spread":false},{"title":"2.png <span style='color:#111;'> 22.84KB </span>","children":null,"spread":false},{"title":"4.png <span style='color:#111;'> 33.08KB </span>","children":null,"spread":false},{"title":"3.png <span style='color:#111;'> 22.18KB </span>","children":null,"spread":false}],"spread":true},{"title":"dragicon.h <span style='color:#111;'> 330B </span>","children":null,"spread":false},{"title":"draglabel.h <span style='color:#111;'> 291B </span>","children":null,"spread":false},{"title":"drag.pro <span style='color:#111;'> 433B </span>","children":null,"spread":false},{"title":"drag.qrc <span style='color:#111;'> 204B </span>","children":null,"spread":false},{"title":"drag.pro.user <span style='color:#111;'> 17.87KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"dragwidget.h <span style='color:#111;'> 377B </span>","children":null,"spread":false},{"title":"dragicon.cpp <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false},{"title":"draglabel.cpp <span style='color:#111;'> 936B </span>","children":null,"spread":false},{"title":"dragwidget.cpp <span style='color:#111;'> 3.19KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]