public boolean addCart(Member member,Merchandise mer,int number) {
// TODO Auto-generated method stub
Session session = HibernateSessionFactory.getSession();
Double i =mer.getPrice();
Transaction tx = null;
boolean status=false;
CartSelectMer sel= null;
int favourable = member.getMemberLevel().getFavourable().intValue();
//判断该会员是否已经有使用中的购物车
String hql="from Cart as a where a.member=:member and a.cartStatus=0";
Query query=session.createQuery(hql);
query.setEntity("member", member);
query.setMaxResults(1);
tx=session.beginTransaction();
Cart cart =(Cart) query.uniqueResult();
if(cart==null){
cart =new Cart();
cart.setCartStatus(new Integer(0));
cart.setMember(member);
cart.setMoney(number * mer.getPrice());这里提示未对参数类型 int, Double 定义运算符 *
cart.getMerchandise().add(mer);//
}