你可以试试
@Fetch(value = SELECT)吗?
@oneToMany(fetch = FetchType.EAGER, mappedBy = "mainProduct", cascade = CascadeType.ALL)@Fetch(value=FetchMode.SELECT)private Set<FBT> fbts;

你可以试试
@Fetch(value = SELECT)吗?
@oneToMany(fetch = FetchType.EAGER, mappedBy = "mainProduct", cascade = CascadeType.ALL)@Fetch(value=FetchMode.SELECT)private Set<FBT> fbts;