java 列表数据上下移动或置顶

/**
	 * 排序
	 * @param id	公告序号
	 * @param type	排序类型 
	 * 				0:上移
	 * 				1:下移
	 * 				2:置顶
	 * @return
	 */
	@RequestMapping("sortThirdNotice")
	@ResponseBody
	public Result sortThirdNotice(Integer id, int type) {
		Result result = new Result();
		try {
			resourseMgtService.sortThirdNotice(id, type);
			result.setStatus(Result.SUCCESS);
			result.setReason("排序成功");
		} catch (Exception e) {
			log.error("error", e);
			result.setStatus(Result.FAILED);
			result.setReason("排序失败");
		}
		return result;
	}
@Override
	public void sortThirdNotice(Integer id, int type) {
		ThirdNoticeInfo notice = (ThirdNoticeInfo) getSession().createCriteria(ThirdNoticeInfo.class).add(Restrictions.ne("flag", -1))
				.add(Restrictions.eq("id", id)).uniqueResult();
		int sort = notice.getSort();
		Criteria c = getSession().createCriteria(ThirdNoticeInfo.class).add(Restrictions.ne("flag", -1));
		if (type == 0) {
			c.add(Restrictions.gt("sort", sort));
			c.addOrder(Order.asc("sort"));
		} else if (type == 1) {
			c.add(Restrictions.lt("sort", sort));
			c.addOrder(Order.desc("sort"));
		} else {
			c.add(Restrictions.gt("sort", sort));
			c.addOrder(Order.desc("sort"));
		}
		c.setMaxResults(1);
		ThirdNoticeInfo sortNotice = (ThirdNoticeInfo) c.uniqueResult();
		if (sortNotice != null) {
			if (type == 2) {
				this.updateThirdNoticeSort(notice.getId(), sortNotice.getSort()+1);
			} else {
				this.updateThirdNoticeSort(notice.getId(), sortNotice.getSort());
				this.updateThirdNoticeSort(sortNotice.getId(), sort);
			}
		}
	}

	/** 
	* @Title: updateThirdNoticeSort 
	* @Description: (公告排序) 
	* @param @param id
	* @param @param sort    设定文件 
	* @return void    返回类型 
	* @throws 
	*/
	private void updateThirdNoticeSort(Integer id, int sort) {
		getSession().createQuery("update ThirdNoticeInfo set sort=:s where id=:id ")
		.setParameter("s", sort).setParameter("id", id).executeUpdate();
	}


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转载自blog.csdn.net/tikaber/article/details/79657537