userdaoimpl.java

用户管理系统:用户登录,用户注册,用户修改,用户删除等等功能

package com.allan.ums.dao.impl;

import java.util.Collection;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Example;
import org.hibernate.criterion.MatchMode;

import com.allan.ums.dao.UserDao;
import com.allan.ums.entity.User;
import com.allan.ums.util.HibernateCallback;
import com.allan.ums.util.HibernateDao;

public class UserDaoImpl extends HibernateDao implements UserDao {

	@Override
	public void insert(final User user) {
		save(user);
	}

	@Override
	public void delete(int id) {
		delete(User.class, id);
	}

	@Override
	public User select(int id) {
		return (User) selectById(User.class, id);
	}

	@Override
	public void update(User user) {
		modify(user);
	}

	@SuppressWarnings("unchecked")
	@Override
	public Collection<User> select(final User user) {
		return (Collection<User>) hibernateTemplate
				.execute(new HibernateCallback() {
					@Override
					public Object execute(Session session) {
						Criteria crit = session.createCriteria(User.class);
						Example exam = Example.create(user);
						exam.enableLike(MatchMode.ANYWHERE);
						crit.add(exam);
						return crit.list();
					}
				});
	}
}