userdao.java

实现留言薄和发表文章的功能

package com.test.bbs.dao;

import com.test.bbs.domain.User;

public interface UserDao {
	public User findUserByLogonNameAndPassword(String logonName, String password);

	public void addUser(User user);

	public User findUserByLogonName(String logonName);

	public User findUserById(Integer id);

	public void update(User user);
}