userdao.java

房产交易平台 服务器端建议代码。工厂模型。

package com.fc.dao;

import java.util.List;

public interface UserDao {

	public abstract User findByUname(String uname);

	public abstract User findById(long id);

	public abstract List findAll();

	public abstract boolean save(User u);

	public abstract boolean modify(User u);

	public abstract boolean delete(User u);

}