iuserdao.java

速动画教程第十八集 SSH框架的构建 此过程将包括以下几个框架 Struts 、Spring 、Hibernate 、Tiles 、validator 工具：Eclipse3.1 、My

package com.oa.data.dao;

import java.util.List;

import com.oa.data.bo.User;

public interface IUserDAO {

	public abstract void save(User transientInstance);

	public abstract void delete(User persistentInstance);

	public abstract User findById(java.lang.Integer id);

	public abstract List findByExample(User instance);

	public abstract User merge(User detachedInstance);

	public abstract void attachDirty(User instance);

	public abstract void attachClean(User instance);
	
	public abstract User findByUsername(String username);

}