Spring+struts+hibernate经典注册

package com.jason.dao.impl; import java.io.Serializable; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import com.jason.dao.RegisterDAO; import com.jason.entity.User; public class RegisterDAOImpl extends HibernateDaoSupport implements RegisterDAO{ public boolean Register(User user) { Serializable a=null; try{ a= super.getHibernateTemplate().save(user); }catch(Exception ex){ ex.printStackTrace(); } System.out.println(a); if(a==null){ return false; } return true; } }