bookserviceimp.java

图书管理系统 运行环境 windows 2003 windows xp

package com.book.service;

import java.util.List;

import com.book.dao.BookDao;
import com.book.dao.BookDaoImp;
import com.book.domain.Book;

public class BookServiceImp implements BookService {

	/**
	 * 得到下一个bookid
	 * 
	 * @return String
	 */
	public String getNextBookId() {

		BookDao dao = new BookDaoImp();
		String sbookid = dao.findMaxId();
		int bookid = Integer.parseInt(sbookid);
		bookid++;
		String bookNextId = "0000" + String.valueOf(bookid);
		bookNextId = bookNextId.substring(bookNextId.length() - 4);
		return bookNextId;
		
	}

	/**
	 * 
	 * @param author
	 * @param bookname
	 * @param publishing
	 * @return
	 */
	public List search(String author, String bookname, String publishing) {

		BookDao dao = new BookDaoImp();
		return dao.find(author, bookname, publishing);
	}

	public void insert(Book dataBean) {

		BookDao dao = new BookDaoImp();
		dao.create(dataBean);

	}

	public void modify(Book dataBean) {
		// void 修改图书

		BookDao dao = new BookDaoImp();
		dao.modify(dataBean);
	}

	public void delete(String bookid) {
		BookDao dao = new BookDaoImp();
		dao.delete(bookid);

	}

}