package info.bishe.model;



import javax.persistence.Entity;

import javax.persistence.GeneratedValue;



import javax.persistence.Id;



@Entity

public class User {

	private int id;

	private String username;

	private  String password;

	@Id

	@GeneratedValue //无法生成自动增长的主键

	public int getId() {

		return id;

	}

	

	public void setId(int id) {

		this.id = id;

	}



	public String getUsername() {

		return username;

	}



	public void setUsername(String username) {

		this.username = username;

	}



	public String getPassword() {

		return password;

	}



	public void setPassword(String password) {

		this.password = password;

	}

	

}

package info.bishe.dao;



import info.bishe.model.User;



public interface UserDAO {

	public void save(User u);

}

package info.bishe.dao.imp;



import info.bishe.dao.UserDAO;

import info.bishe.model.User;





import javax.annotation.Resource;





import org.hibernate.SessionFactory;

import org.hibernate.classic.Session;

import org.springframework.stereotype.Component;

@Component("userDAO")//可以指定名称

public class UserDAOimp implements UserDAO {

	private SessionFactory sessionFactory;

	

	public SessionFactory getSessionFactory() {

		return sessionFactory;

	}

	@Resource

	public void setSessionFactory(SessionFactory sessionFactory) {

		this.sessionFactory = sessionFactory;

	}



	public void save(User user) {

			Session session = sessionFactory.openSession();

			session.beginTransaction();

			session.save(user);

			session.getTransaction().commit();

			session.close();

		

	}



}

package info.bishe.Service;

import javax.annotation.PostConstruct;

import javax.annotation.PreDestroy;

import javax.annotation.Resource;



import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.stereotype.Component;



import com.sun.xml.internal.ws.api.PropertySet.Property;



import info.bishe.dao.UserDAO;

import info.bishe.dao.imp.UserDAOimp;

import info.bishe.model.User;



@Component("userService")

public class UserService {

	

	private UserDAO userDAO;

	@PostConstruct

	public void init(){

		System.out.println("init");

	}





	public UserDAO getUserDAO() {

		return userDAO;

	}

	//@Autowired

	@Resource(name="userDAO")

	public void setUserDAO(UserDAO userDAO) {

		this.userDAO = userDAO;

	}

	public void add(User user){

		this.userDAO.save(user);

	}

	@PreDestroy

	public void destroy(){

		System.out.println("destroy");

	}

}