shopcartaction.java

企业内部培训系统

package cn.com.tarena.ecport.web.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.MappingDispatchAction;

import cn.com.tarena.ecport.biz.IProductBusiness;
import cn.com.tarena.ecport.biz.factory.BusinessFactory;
import cn.com.tarena.ecport.biz.impl.ProductBusinessImpl;
import cn.com.tarena.ecport.biz.impl.ShoppingCartImpl;
import cn.com.tarena.ecport.pojo.Product;

public class ShopcartAction extends MappingDispatchAction {
		
	//通过页面头的"购物车"超链接进入购物车页面
	public ActionForward listShopcart(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response){
		
		return mapping.findForward("shopcart");
	}
	
	
	// 通过首页的商品名后的"加入购物车"超链接进入购物车页面
	public ActionForward addProductAction(ActionMapping mapping,ActionForm form, 
			HttpServletRequest request,HttpServletResponse response) {
		
		ShoppingCartImpl shopcart = (ShoppingCartImpl) request.getSession(true)
				.getAttribute("shopcart");
		IProductBusiness pb = (IProductBusiness) BusinessFactory
				.getBusiness(IProductBusiness.class.getName());
		Product pro = pb.getProductById(Long.parseLong(request
				.getParameter("productid")));
		shopcart.addProduct(pro, 1);
		return mapping.findForward("shopcart");
	}

	
	// 在购物车页面作清空操作
	public ActionForward clearShopcart(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ShoppingCartImpl shopcart = (ShoppingCartImpl) request.getSession(true)
		.getAttribute("shopcart");
		shopcart.removeAllProducts();
		return mapping.findForward("shopcart");
	}

	
	// 在购物车页面作保存操作
	public ActionForward saveShopcart(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Long productid=Long.parseLong(request.getParameter("productid"));
		ShoppingCartImpl shopcart = (ShoppingCartImpl) request.getSession(true)
			.getAttribute("shopcart");
		shopcart.modifyProductAmountById(productid, Integer.parseInt(request.getParameter("num")));
		return mapping.findForward("shopcart");
	}

	
	// 在购物车页面作取消操作
	public ActionForward cancelShopcart(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Long productid=Long.parseLong(request.getParameter("productid"));
		ShoppingCartImpl shopcart = (ShoppingCartImpl) request.getSession(true)
			.getAttribute("shopcart");
		shopcart.removeProductById(productid);
		return mapping.findForward("shopcart");
	}

	
	
	
}