public void subMoney(int subAccountID,int exchangeMoney){
        Session session = this.getSession();
        Transaction tx = session.beginTransaction();
        String hql = "update CCBAccountPO set property = property - " + exchangeMoney +" where id = " + subAccountID;
        Query query = session.createQuery(hql);
            query.executeUpdate();
        tx.commit();
    }

     public void addMoney(int addAccountID,int exchangeMoney){
        Session session = this.getSession();
        Transaction tx = session.beginTransaction();
        String hql = "update ICBCAccountPO set property = property +" + exchangeMoney + " where id = " + addAccountID;
        Query query = session.createQuery(hql);
        query.executeUpdate();
            tx.commit();
    }