代理类的小小应用

[{"title":"（ 10 个子文件 7KB ） 代理类的小小应用","children":[{"title":"DelegateTest","children":[{"title":"datedelegate.h <span style='color:#111;'> 630B </span>","children":null,"spread":false},{"title":"datedelegate.cpp <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 846B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"combodelegate.h <span style='color:#111;'> 637B </span>","children":null,"spread":false},{"title":"combodelegate.cpp <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"widget.cpp <span style='color:#111;'> 1.36KB </span>","children":null,"spread":false},{"title":"DelegateTest.pro.user <span style='color:#111;'> 17.68KB </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 271B </span>","children":null,"spread":false},{"title":"DelegateTest.pro <span style='color:#111;'> 467B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]