userdaoimp.java

图书管理系统 运行环境 windows 2003 windows xp

package com.book.dao;

import java.util.List;
import java.util.Map;

import com.book.domain.User;
import com.book.util.DBManager;
import com.book.util.Tool;

public class UserDaoImp implements UserDao {

	public User findByPrimaryKey(String pk) {
		Map table = DBManager.UserTable;
		User user = null;
		String row = (String)table.get(pk);
		if (row != null) {
			String[] fields = row.split(Tool.COMMA_SIGN_DELIMITERS);
			user = new User(fields[0], fields[1], fields[2]);
		}
		return user;
	}

	public void create(User user) {
		// TODO Auto-generated method stub

	}

	public void delete(String pk) {
		// TODO Auto-generated method stub

	}

	public void modify(User user) {
		// TODO Auto-generated method stub

	}

	public List find() {
		// TODO Auto-generated method stub
		return null;
	}

}