Struts2-hibernate写的登陆注册模块

package com.jiangnan.hibernate.Service.Impl; import java.io.Serializable; import java.util.ArrayList; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.Transaction; import com.jiangnan.hibernate.Model.User; import com.jiangnan.hibernate.Service.UserService; import com.jiangnan.hibernate.Util.HibernateUtil; public class UserServiceImpl implements UserService { public void add(Object entity) { Session session = null; Transaction transaction = null; try { session = HibernateUtil.getSession(); transaction = session.beginTransaction(); session.save(entity); transaction.commit(); } finally { if (session != null) { session.close(); } } } public void delete(Object entity) { Session session = null; Transaction transaction = null; try { session = HibernateUtil.getSession(); transaction = session.beginTransaction(); session.delete(entity); transaction.commit(); } finally { if (session != null) { session.close(); } } } @SuppressWarnings("unchecked") public boolean check(User user) { Session session = null; try { session = HibernateUtil.getSession(); // String hql = // "FROM User as user WHERE sname=:sname AND spassword=:spaw"; String hql = "FROM User as user WHERE sname=:sname"; Query query = session.createQuery(hql); query.setString("sname", user.getSname()); // query.setString("spaw", user.getSpassword()); ArrayList userList = (ArrayList) query.list(); if ((null != userList) && (userList.size() > 0)) { User u = (User) userList.get(0); /* * System.out.println("u.getSpassword:" + u.getSpassword()); * System.out.println("user.getSpassowrd:" + * user.getSpassword()); */ if (!u.getSpassword().equals(user.getSpassword())) { System.out.println("密码不正确"); return false; } } else { System.out.println("用户名不存在"); return false; } } catch (HibernateException e) { e.printStackTrace(); } finally { if (session != null) { session.close(); } } return true; } @SuppressWarnings("unchecked") public Object get(Class clazz, Serializable id) { Session session = null; try { session = HibernateUtil.getSession(); Object object = get(clazz, id); return object; } finally { if (session != null) { session.close(); } } } public void update(Object entity) { Session session = null; Transaction transaction = null; try { session = HibernateUtil.getSession(); transaction = session.beginTransaction(); session.update(entity); transaction.commit(); } finally { if (session != null) { session.close(); } } } }