userservice.java

servlet做的学员管理系统的软代码大家咄咄支持

package com.allan.ums.service;

import java.util.Collection;

import com.allan.ums.dao.UserDao;
import com.allan.ums.entity.User;
import com.allan.ums.util.DaoFactory;

public class UserService {
	private UserDao userDao;
	
	public UserService(){
		userDao = (UserDao)DaoFactory.getDao("userDao");
	}
	
	public void add(User user) {
		userDao.insert(user);
	}

	public Collection<User> find(User user) {
		return userDao.select(user);
	}

	public void modify(User user) {
		userDao.update(user);
	}

	public void remove(int id) {
		userDao.delete(id);
	}

	public User find(int id) {
		return userDao.select(id);
	}
}