bookdao.java

dao模式结合mvc,dbcp连接池 log4j日志

package com.bookstore.dao;

import com.bookstore.data.Book;

public interface BookDAO {

	public Book createBook
	(String title, String type, double price, String notes);
	
	public void queryBook();

	public Book findBookById(String id);

	public java.util.Collection 
	findBookByNotes(String notes);
	
	public void deleteBook(int id);

	public void updateBook(int id, String title, String type, double price,
			String notes);
}