网上图书商城管理系统程序和代码

package org.tarena.action.cart; import java.io.UnsupportedEncodingException; import java.util.List; import org.tarena.action.BaseAction; import org.tarena.util.CookieUtil; public class CartAction extends BaseAction{ /** * */ private static final long serialVersionUID = 7786784790587421005L; private int pid; private int cid; private int id; private List<CartItem> items; private List<CartItem> noitems; private double totlePrice; private double savePrice; private int num; /** * 处理购买操作 * @return */ public String add(){ CartService cart = CartFactory.getCartService(session); try { cart.load(CookieUtil.findCookie("cartinfo", request)); } catch (UnsupportedEncodingException e1) { e1.printStackTrace(); } catch (Exception e1) { e1.printStackTrace(); } boolean flag=cart.add(pid); if(flag){ request.setAttribute("buyinfo"+pid, "您已经选购了该商品"); request.setAttribute("id", pid); }else { try { CookieUtil.addCookie("cartinfo", cart.store(), response); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } return SUCCESS; } /** * 处理删除操作 * @return */ public String delete(){ CartService cart = CartFactory.getCartService(session); cart.delete(pid); try { CookieUtil.addCookie("cartinfo", cart.store(), response); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } /** * 显示购买的商品 * @return */ public String bookList(){ CartService cart=CartFactory.getCartService(session); try { cart.load(CookieUtil.findCookie("cartinfo", request)); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } items=cart.getCartItems(true); noitems=cart.getCartItems(false); if(items.size()!=0){ totlePrice=cart.totalPrice(); savePrice=cart.totalSavePrice(); }else items=null; return SUCCESS; } /** * 恢复已取消的商品 * @return */ public String bookRecover(){ CartService cart=CartFactory.getCartService(session); cart.recovery(id); try { CookieUtil.addCookie("cartinfo", cart.store(), response); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } /** * 更新数量 * @return */ public String bookUpdate(){ CartService cart=CartFactory.getCartService(session); cart.updateNum(id, num); try { CookieUtil.addCookie("cartinfo", cart.store(), response); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return SUCCESS; } /** * private List<CartItem> buyItems; * private List<CartItem> delItems; * <s:iterator value="buyItems"> * </s:iterator> * <s:iterator value="delItems"> * </s:iterator> */ public int getPid() { return pid; } public void setPid(int pid) { this.pid = pid; } public int getCid() { return cid; } public void setCid(int cid) { this.cid = cid; } public List<CartItem> getItems() { return items; } public void setItems(List<CartItem> items) { this.items = items; } public double getTotlePrice() { return totlePrice; } public void setTotlePrice(double totlePrice) { this.totlePrice = totlePrice; } public double getSavePrice() { return savePrice; } public void setSavePrice(double savePrice) { this.savePrice = savePrice; } public List<CartItem> getNoitems() { return noitems; } public void setNoitems(List<CartItem> noitems) { this.noitems = noitems; } public int getId() { return id; } public void setId(int id) { this.id = id; } public int getNum() { return num; } public void setNum(int num) { this.num = num; } /** * 方法二 * private List<CartItem> items; * <s:iterator value="items.{?#this.buy==true}"> * </s:iterator> * <s:iterator value="items.{?#this.buy==false}"> * </s:iterator> */ }