图书销售管理系统Java源代码

图书销售管理系统，内含源代码，项目需求分析，编写思路

package com.pb.authority;

import com.pb.entity.Book;
import com.pb.entity.extra.Extra;

/**
 * customer authority
 * @author Administrator
 *
 */
public interface Normal {
	public void query（）;//query books method
	public Book buy（int bookIDint num）;//return a book object by input bookID and number
	public Extra buyExtra（int exCode）;//return a Extra object by input extra‘s code
	public void checkout（Book book）;//checkout
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        301  2013-04-26 10:58  BookSaleManagementSystem\.classpath

     文件        400  2013-04-26 10:58  BookSaleManagementSystem\.project

     文件        629  2013-04-26 10:58  BookSaleManagementSystem\.settings\org.eclipse.jdt.core.prefs

     文件        795  2013-04-26 15:32  BookSaleManagementSystem\bin\com\pb\authority\impl\DefaultCustomer.class

     文件        734  2013-04-26 15:32  BookSaleManagementSystem\bin\com\pb\authority\impl\DefaultStoreMgr.class

     文件        270  2013-04-26 15:32  BookSaleManagementSystem\bin\com\pb\authority\Normal.class

     文件        212  2013-04-26 15:32  BookSaleManagementSystem\bin\com\pb\authority\StoreMgr.class

     文件       3865  2013-04-27 15:05  BookSaleManagementSystem\bin\com\pb\bookbiz\BookBiz.class

     文件       2863  2013-04-27 15:05  BookSaleManagementSystem\bin\com\pb\entity\Book.class

     文件        401  2013-04-27 13:46  BookSaleManagementSystem\bin\com\pb\entity\extra\Bag.class

     文件        397  2013-04-27 13:46  BookSaleManagementSystem\bin\com\pb\entity\extra\CD.class

     文件       1178  2013-04-27 13:46  BookSaleManagementSystem\bin\com\pb\entity\extra\Extra.class

     文件        609  2013-04-27 15:05  BookSaleManagementSystem\bin\com\pb\entity\extra\ExtraFactory.class

     文件        401  2013-04-27 13:46  BookSaleManagementSystem\bin\com\pb\entity\extra\Pen.class

     文件        368  2013-04-27 15:49  BookSaleManagementSystem\bin\com\pb\role\extra\Customer.class

     文件        383  2013-04-27 15:49  BookSaleManagementSystem\bin\com\pb\role\extra\StoreManager.class

     文件       2516  2013-04-27 15:49  BookSaleManagementSystem\bin\com\pb\role\Role.class

     文件       5971  2013-04-28 11:52  BookSaleManagementSystem\bin\demo\test\Test.class

     文件       1664  2013-04-27 15:49  BookSaleManagementSystem\bin\demo\user\User.class

     文件        589  2013-04-26 15:32  BookSaleManagementSystem\src\com\pb\authority\impl\DefaultCustomer.java

     文件        533  2013-04-26 15:32  BookSaleManagementSystem\src\com\pb\authority\impl\DefaultStoreMgr.java

     文件        445  2013-04-26 15:32  BookSaleManagementSystem\src\com\pb\authority\Normal.java

     文件        292  2013-04-26 15:32  BookSaleManagementSystem\src\com\pb\authority\StoreMgr.java

     文件       3383  2013-04-27 15:05  BookSaleManagementSystem\src\com\pb\bookbiz\BookBiz.java

     文件       1856  2013-04-27 15:05  BookSaleManagementSystem\src\com\pb\entity\Book.java

     文件        142  2013-04-27 13:46  BookSaleManagementSystem\src\com\pb\entity\extra\Bag.java

     文件        138  2013-04-27 13:46  BookSaleManagementSystem\src\com\pb\entity\extra\CD.java

     文件        496  2013-04-27 13:46  BookSaleManagementSystem\src\com\pb\entity\extra\Extra.java

     文件        258  2013-04-27 15:05  BookSaleManagementSystem\src\com\pb\entity\extra\ExtraFactory.java

     文件        142  2013-04-27 13:46  BookSaleManagementSystem\src\com\pb\entity\extra\Pen.java

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