導航

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "TypeId")
    public CouponType getType() {
        return type;
    }

    @ManyToOne(fetch = FetchType.EAGER)
    @JoinColumn(name = "TypeId")
    public CouponType getType() {
        return type;
    }