2.Spring管理对象:Manager

package com.bjpowernode.spring.manager;

public interface UserManager {

public void addUser(String username, String password);
}

package com.bjpowernode.spring.manager;

import com.bjpowernode.spring.dao.UserDao;

public class UserManagerImpl implements UserManager {

private UserDao userDao;

public UserManagerImpl(UserDao userDao) {
this.userDao = userDao;
}

public void addUser(String username, String password) {
userDao.addUser(username, password);
}

//	public void setUserDao(UserDao userDao) {
//		this.userDao = userDao;
//	}

}