您好·,想问下怎么生成的这个dll,我把源码cpp .h 直接加到工程中,出现error LNK2019: unresolved external symbol "public: __thiscall QtGroupPropertyManager::QtGroupPropertyManager(class QObject *)" (??0QtGroupPropertyManager@@QAE@PAVQObject@@@Z) referenced in function "public: __thiscall QtVariantPropertyManager::QtVariantPropertyManager(class QObject *)" (??0QtVariantPropertyManager@@QAE@PAVQObject@@@Z) 好多这种错误