shopcartaction.java

达内Java培训实训项目ECPORT原码。 包括逐步优化的四个版本： 简单工厂模式实现 简单Spring-IoC实现 Spring声明式事务实现 Spring-AOP集成

package com.royee.ecport.web.actions;

import com.royee.ecport.biz.*;
import com.royee.ecport.pojo.*;
import com.royee.ecport.web.UserAware;

public class ShopcartAction extends ActionBase implements UserAware {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	public static final String SESSION_KEY = "SHOPCART";
	private static ProductBiz productBiz = (ProductBiz) BizFactory.getBiz("Product");
	private static OrderBiz orderBiz =  (OrderBiz) BizFactory.getBiz("Order");
	private static StatusBiz statusBiz =  (StatusBiz) BizFactory.getBiz("Status");
	private static PaywayBiz paywayBiz =  (PaywayBiz) BizFactory.getBiz("Payway");
	private static OrderStatus status=statusBiz.getDefaultStatus();
	private User user;
	

	public void setUser(User u) {
		user = u;
	}

	private long pid;
	private long pwid;
	private int num;

	public void setPid(long pid) {
		this.pid = pid;
	}

	public void setPwid(long pwid) {
		this.pwid = pwid;
	}

	public void setNum(int num) {
		this.num = num;
	}

	private Shopcart shopcart() {
		if (session().getAttribute(SESSION_KEY) == null){
			Shopcart shopcart=new Shopcart();
			shopcart.setUser(user);
			shopcart.setStatus(status);
			session().setAttribute(SESSION_KEY, shopcart);
		}
		return (Shopcart) session().getAttribute(SESSION_KEY);
	}

	/**
	 * 加入购物车 pid 物品序号
	 * 
	 * @return
	 */
	public String add() {
		Shopcart shopcart = shopcart();
		Product product = productBiz.getById(pid);
		shopcart.add(product);
		return SUCCESS;
	}

	/**
	 * 显示购物车
	 */
	@Override
	public String execute() {
		//首次运行初始化
		shopcart();
		return SHOPCART;
	}

	/**
	 * 删除订单项 id 购物车中临时订单id
	 * 
	 * @return
	 */
	public String del() {
		shopcart().remove(pid);
		return SHOPCART;
	}

	/**
	 * 修改订单项 id 购物车中临时订单id num 商品数量
	 * 
	 * @return
	 */
	public String save() {
		shopcart().edit(pid, num);
		return SHOPCART;
	}

	/**
	 * 提交订单
	 * 
	 * @return
	 */
	public String submit() {
		if(shopcart().getOrderLines().size()==0)
			return INDEX;
		Order order=shopcart().toOrder();
		order.setPayway(paywayBiz.getById(pwid));
		orderBiz.save(order);
		shopcart().clear();
		return INDEX;
	}
	
	/**
	 * 确认订单
	 */
	public String confirm(){
		request().setAttribute("payway", paywayBiz.findAll());
		return SUCCESS;
	}

	/**
	 * 清空购物车
	 * 
	 * @return
	 */
	public String clear() {
		shopcart().clear();
		return SHOPCART;
	}

}