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📄 addcartaction.java

📁 网上书店源码。功能全面
💻 JAVA
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//Created by MyEclipse Struts// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.9.210/xslt/JavaClass.xslpackage com.ascent.struts.action;import java.util.List;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import com.ascent.bean.Book;import com.ascent.util.ShoppingCart;import com.ascent.util.ShoppingCartItem;/**  * MyEclipse Struts * Creation date: 09-02-2005 *  * XDoclet definition: * @struts:action validate="true" * @struts:action-forward name="viewcart" path="/viewCart.jsp" redirect="true" */public class AddCartAction extends BaseAction {	// --------------------------------------------------------- Instance Variables	// --------------------------------------------------------- Methods	/** 	 * Method execute	 * @param mapping	 * @param form	 * @param request	 * @param response	 * @return ActionForward	 */	public ActionForward execute(		ActionMapping mapping,		ActionForm form,		HttpServletRequest request,		HttpServletResponse response) {		HttpSession session = request.getSession();		ShoppingCart cart = null;		ShoppingCartItem cartItem = null;		List list = (List)session.getAttribute("bookdetail");		Book book = (Book)list.iterator().next();		cartItem = new ShoppingCartItem();		cartItem.setBook(book);				if(session.getAttribute("items")==null){		    cart = new ShoppingCart();					}else{			cart = (ShoppingCart)session.getAttribute("cart");		}					cart.addItem(cartItem);		List items = cart.getItems();		session.setAttribute("items",items);    	session.setAttribute("cart",cart);//		session.setAttribute("total",new Double(cart.getTotalPrice()));				return mapping.findForward("viewcart");	}}

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