1.查询所有 

    Criteria criteria=session.createCriteria(Dept.class);
 
    //调用list()方法
    List<Dept> list=criteria.list();
    for (Dept dept : list) {
     System.out.println(dept.getName());
    }

2.查询不属于任何部门的员工

  List<Emp> list=session.createCriteria(Emp.class).

      add(Restrictions.isNull("dept")).list();
    for (Emp emp : list) {
   System.out.println(emp.getName());
    }

3.查询职位是"教员"或"班主任"

  List jobList=new ArrayList();
  jobList.add("教员");
  jobList.add("班主任");
  List<Emp> list=session.createCriteria(Emp.class).
  add(Restrictions.in("job", jobList)).list();
  for (Emp emp : list) {
  System.out.println(emp.getName());
}

4.查询工作从2000到5000范围的


    List<Emp> list=session.createCriteria(Emp.class).
      add(Restrictions.between("salary", 2000D, 5000D)).list();
    for (Emp emp : list) {
     System.out.println(emp.getName());
    }

5.查询职位是1或2

  List<Emp> list=session.createCriteria(Emp.class).
  add(Restrictions.or(Restrictions.eq("job", "教员"), Restrictions.eq("job", "班主任"))).list();
  for (Emp emp : list) {
    System.out.println(emp.getName());
  }

6.查询姓名中包含X的员工

  List<Emp> list=session.createCriteria(Emp.class).
  add(Restrictions.ilike("name", "三", MatchMode.ANYWHERE)).list();
  for (Emp emp : list) {
  System.out.println(emp.getName());
  }

7.没有员工的部门

  List<Dept> list=session.createCriteria(Dept.class).
  add(Restrictions.isEmpty("emps")).list();
  for (Dept dept : list) {
    System.out.println(dept.getName());
  }

posted on 2015-12-02 20:38  映日残阳  阅读(1274)  评论(0编辑  收藏  举报