org.hibernate.hql.ast.QuerySyntaxException: myaddressbook is not mapped

用hibernate查询

显示如下信息:

org.hibernate.hql.ast.QuerySyntaxException: myaddressbook is not mapped. [from myaddressbook]

这就证明HQL错了
因为Hibernate是对类查询的  不能写成from table_name

只要将String hql = "from *"

*改成对应的类名