Hibernate之Session操作

session.save(Object object); //增加
session.update(Object object);//修改
session.saveOrUpdate(Object object);//主键字段有值则修改,无则新增。
session.delete(Object object);//删除
session.createQuery(String HQL);//按HQL语句查询
session.createCriteria(Class entityClass);//按实体进行QBC查询 
session.load(Class entityClass,Serialize id); //根据id查询,延迟加载。
session.get(Class entityClass,Serialize id); //根据id查询,立即加载。
//Restrictions查询用法
HQL运算符	QBC运算符		含义
=		Restrictions.eq()	等于equal
<>		Restrictions.ne()	不等于not equal
>		Restrictions.gt()	大于greater than
>=		Restrictions.ge()	大于等于greater than or equal
<		Restrictions.lt()	小于less than
<=		Restrictions.le()	小于等于less than or equal
is null		Restrictions.isnull()	等于空值
is not null	Restrictions.isNotNull() 非空值
like		Restrictions.like()	字符串模式匹配
and		Restrictions.and()	逻辑与
and		Restrictions.conjunction() 逻辑与
or		Restrictions.or()	逻辑或
or		Restrictions.disjunction() 逻辑或
not		Restrictions.not()	逻辑非
in(列表)	Restrictions.in()	等于列表中的某一个值
not in(列表)	Restrictions.not(Restrictions.in()) 不等于列表中任意一个值
between x and y Restrictions.between()	闭区间xy中的任意值
not between x and y Restrictions.not(Restrictions..between()) 小于值X或者大于值y