package com.xxx.core.dao;

import java.io.Serializable;
import java.util.List;

import com.xxx.core.entity.User;

public interface IUserDao {
	public User getUser(int id);

	public List<User> getList();

	public Serializable add(User user);

	public void delete(int id);

	public void update(User user);

	public User getUser(String username);
}