webshopping
所属分类：Ajax
开发工具：Java
文件大小：6040KB
下载次数：6
上传日期：2012-05-18 12:27:23
上 传 者：
sumingku
说明： 一个简单网上商城系统。实现有购物车等。
1.设计一个Item类，包括：一个商品对像，一个数量，一个小计
2.设计一个servlet类
先从session中取，看有没有Hashmap类，这是一个购物车
Hashmap类结构
键 值
商品id Item类
从session中取出HashMap:
1.先看session中有没有，有则取出，没有则创建
2.看HashMap中的键有没有这个商品的id号，如果表示第二次购买，则数量加1，没有则新建一个HashMap类
3.跳转页面-->显示购物车详细
(A simple online store system. Realization of shopping carts.
Design an Item class, including: a commodity like a number, a small meter
(2) design a servlet class
Start the session to take to see if there Hashmap class, which is a shopping cart
The structure of the HashMap class
Key value
Goods the id the Item class
Remove the HashMap from the session:
A. Look at the session there, remove, did not create
2. HashMap key id of the commodity, if the second purchase, the number 1, does not create a new HashMap class
Jump page-> show cart in detail)
文件列表:
网上购物系统4\mysql-connector-java-5.0.6-bin.jar (527090, 2008-07-08)
网上购物系统4\workspace\.metadata\.lock (0, 2011-03-18)
网上购物系统4\workspace\.metadata\.log (345409, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.desktop\dialog_settings.xml (80, 2011-03-18)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\catalina.policy (6533, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\catalina.properties (2949, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\context.xml (585, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\logging.properties (2938, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\server.xml (5764, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\tomcat-users.xml (73, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\conf\web.xml (50835, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\temp\safeToDelete.tmp (0, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\firstPage.jsp (3672, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\images\head.gif (41410, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\images\left.jpg (5689, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\index.jsp (867, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\login.jsp (1031, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\META-INF\MANIFEST.MF (39, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\classes\com\icss\bean\Admin.class (1725, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\classes\com\icss\bean\News.class (1952, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\classes\com\icss\bean\NewType.class (1503, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\classes\com\icss\dao\DBHelper.class (5155, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\classes\com\icss\servlet\ShowFirsPage.class (2626, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\lib\mysql-connector-java-5.0.6-bin.jar (527090, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\newsys\WEB-INF\web.xml (657, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\a.jsp (947, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\b.jsp (181, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\c.jsp (904, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\EL1.jsp (1415, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\EL2.jsp (1157, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\index.jsp (1115, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\META-INF\MANIFEST.MF (39, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\WEB-INF\classes\com\icss\bean\Student.class (720, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\Test\WEB-INF\web.xml (375, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\webshop\images\end.jpg (9254, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\webshop\images\goods\goodsbk.jpg (1309, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\webshop\images\left_bk.jpg (423, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\webshop\images\left_lookcar.jpg (4292, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\webshop\images\listbrowsegoods\left_bk.jpg (423, 2011-08-23)
网上购物系统4\workspace\.metadata\.plugins\com.genuitec.eclipse.easie.tomcat.myeclipse\tomcat\webapps\webshop\images\listbrowsegoods\left_m.jpg (2907, 2011-08-23)
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