错误:
CCMainWindow.obj : error LNK2001: 无法解析的外部符号 "public: virtual struct QMetaObject const * __cdecl CCMainWindow::metaObject(void)const " (?metaObject@CCMainWindow@@UEBAPEBUQMetaObject@@XZ)
1>CCMainWindow.obj : error LNK2001: 无法解析的外部符号 "public: virtual void * __cdecl CCMainWindow::qt_metacast(char const *)" (?qt_metacast@CCMainWindow@@UEAAPEAXPE