mybatis 使用 AND OR 查询

SubjectRelationPoExample example = new SubjectRelationPoExample();Criteria criteria = example.createCriteria();criteria.andPhaseEqualTo(phase);criteria.andPSubjectCodeEqualTo(subjectCode);Criteria criteria1= example.createCriteria();criteria1.andPhaseEqualTo(phase);criteria1.andCSubjectCodeEqualTo(subjectCode);example.or(criteria1);