JSP+DAO+Hibernate实现登录 要求：用JSP+DAO+Hibernate改写的程序，要求在前端JSP与后台数据库之间引入一个持久层接口（DAO） -JSP+DAO+Hibernate login Requirements: rewrite the program with JSP+DAO+Hibernate, requires the introduction of a persistent layer interface (DAO) between the front