我遇到了一些奇怪的行为，其中可以通过QObject的property函数直接访问属性，但不能通过JavaScript:#include#include#include#includeclassItem:publicQObject{Q_OBJECTpublic:Q_PROPERTY(inttypeIdREADtypeId)Q_PROPERTY(intusesLeftREADusesLeft)Item():mTypeId(0),mUsesLeft(-1){}Item(inttypeId):mTypeId(typeId){if(typeId!=0){mUsesLeft=5;}}Item(co