...评论、转发功能如何实现2、搜索框功能求代码谢谢

发布网友发布时间：2024-04-09 17:38

共1个回答

热心网友时间：2024-04-10 14:11

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    public Great findGreat(Integer aid, Integer uid) {
        String hql="from Great where aid=? and uid=? ";
        List<Great> list = this.getHibernateTemplate().find(hql,aid,uid);
        if(list!=null && list.size()>0){
            this.getHibernateTemplate().delete(list.get(0));
            Answer answer=this.getHibernateTemplate().get(Answer.class,aid);
            answer.setAgreat(answer.getAgreat()-1);
            this.getHibernateTemplate().update(answer);
            return null;
        }
        else {
            Great great = new Great();
            Answer answer2=this.getHibernateTemplate().get(Answer.class,aid);
            great.setAnswer(answer2);
            User user=this.getHibernateTemplate().get(User.class, uid);
            great.setUser(user);
            this.getHibernateTemplate().save(great);
            answer2.setAgreat(answer2.getAgreat()+1);
            this.getHibernateTemplate().update(answer2);
            return null;
        }

    }

...评论、转发功能如何实现2、搜索框功能 求代码谢谢

...评论、转发功能如何实现2、搜索框功能求代码谢谢