
正文
hibernate Criteria中多个or和and的用法 and ( or or)
提示:扫一扫查出行【扫一扫了解最新限行尾号】
复制提示
- /s筛选去除无效数据
- /* detachedCriteria.add(
- Restrictions.or(
- Restrictions.like("chanpin", "冰箱", MatchMode.ANYWHERE),
- Restrictions.or(
- Restrictions.like("chanpin", "洗衣机", MatchMode.ANYWHERE),
- Restrictions.or(
- Restrictions.like("chanpin", "热水器", MatchMode.ANYWHERE),
- Restrictions.like("chanpin", "空调", MatchMode.ANYWHERE))))
- );
- */
- Disjunction dis=Restrictions.disjunction();
- dis.add(Restrictions.like("chanpin", "冰箱", MatchMode.ANYWHERE));
- dis.add(Restrictions.like("chanpin", "洗衣机", MatchMode.ANYWHERE));
- dis.add(Restrictions.like("chanpin", "热水器", MatchMode.ANYWHERE));
- dis.add(Restrictions.like("chanpin", "空调", MatchMode.ANYWHERE));
- detachedCriteria.add(dis);
- //e筛选去除无效数据
用来组合一组逻辑或【or】条件的方法
- Restrictions.disjunction();
用来组合一组逻辑与【and】条件的方法
- Restrictions.conjunction();
实际中有sql如下: where transportType=1 and ((pol=1 and pod=2) or (pol=1 and pod=3) or (pol=1 and pod=4))
代码如下
Criteria criteria = getCriteria();
if(transportType!=null)criteria.add(Restrictions.eq("transportType", transportType));
if(polIdStr!=null && podIdStr!=null) {
List<Integer> polIdList = ListUtil.stringToList(polIdStr);
List<Integer> podIdList = ListUtil.stringToList(podIdStr);
List<Criterion> CriterionList=new ArrayList<Criterion>(); Disjunction dis = Restrictions.disjunction();//多个or可以拼蛸
for(int polId:polIdList){
for(int podId:podIdList){
Conjunction con=Restrictions.conjunction();//多个and拼接
con.add(Restrictions.eq("polId", polId));
con.add(Restrictions.eq("podId", podId));
dis.add(con);
}
}
criteria.add(dis);
}







