Hibernate QBE查询

这个查询的示例哪里有.请各位给我哥示例.最近公司要用hibernate了.极度郁闷啊.不会这个技术.

[code="java"]DetachedCriteria dc = DetachedCriteria.forClass(User.class);
dc.add(Example.create(user));
[/code]
[url]http://www.google.cn/search?client=safari&rls=en&q=detachedcriteria+用法&ie=UTF-8&oe=UTF-8[/url]