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Criteria criteria = session.createCriteria(Employee.class);
//1. AND: 使用Conjunction表示
//Conjunction 本身就是一个Criterion对象
//且其中还可以添加Criterion对象
Conjunction conjunction = Restrictions.conjunction();
conjunction.add(Restrictions.like("name", "a", MatchMode.ANYWHERE));
Department dept = new Department();
dept.setId(80);
conjunction.add(Restrictions.eq("eq", dept));
System.out.println(conjunction);
//2: OR
Disjunction disjunction = Restrictions.disjunction();
disjunction.add(Restrictions.ge("salary", 6000F));
disjunction.add(Restrictions.isNull("email"));
criteria.add(disjunction);
criteria.add(conjunction);
criteria.list();
结果:
... where (this_.SALARY >= ? or this_.EMAIL is null) and (this_.NAME like ? and this_.DEPT_ID = ?)
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原文地址:http://my.oschina.net/liygheart/blog/404927