rootcategory.java

网上购物系统

/**
  * @(#)tarena.action.RootCategory.java  2008-11-3  
  * Copy Right Information	: Tarena
  * Project					: xindou
  * JDK version used		: jdk1.6.4
  * Comments				: 1级分类浏览类。
  * Version					: 1.0
  * Sr	Date		Modified By		Why & What is modified
  * 1.	2008-11-3 	小猪     		新建
  **/
package tarena.action;

import java.util.List;
import java.util.Vector;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import tarena.dao.CategoryDAO;
import tarena.dao.TopicDAO;
import tarena.dao.pages.RootCategoryDAO;
import tarena.data.AbractCategory;
import tarena.data.AbractProduct;
import tarena.data.AbractTopic;
import tarena.data.CategorySecondAndThird;
import tarena.data.HotCategoryAndProduct;
import tarena.data.Personage;
import tarena.global.MessageOperate;
import tarena.global.Transform;

 /**
 * 1级分类浏览类。
 * 2008-11-3
 * @author		达内科技[Tarena Training Group]
 * @version	1.0
 * @since		JDK1.6(建议) 
 */
public class RootCategory extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		//此处记得保存rootid
		/**
		  * 1.该id的存在性，session中保存（categoryid）该分类的id，所在地址 address
		  * 2.CatetgoryDAO中的ListCategory方法，列出该分类下的分类
		  * 3.ProductDAO中ListTopSaleProduct方法，列出该顶级分类下的销售商品
		  * 4.ProductDAO中ListTopCategory方法，列出该顶级分类下的销售排行3级分类
		  * 5.根据4，ListTopSaleProduct方法，列出3级分类下的销售商品，此处保存名称为Propducts_分类id
		  * 6.UserDAO中的ListTopTodayUser，列出本日发帖排行用户
		  * 7.UserDAO中的ListTopYesterdayUser，列出昨日发帖排行用户
		  * 8.UserDAO中的ListTopThisWeekUser，列出本周发帖排行用户
		  * 9.UserDAO中的ListTopThisMonthUser，列出本月发帖排行用户
		  * 10.TopicDAO的ListTopDayTopic方法，热帖日排行
		  * 11.TopicDAO的ListTopWeekTopic方法，热帖周排行
		  * 12.TopicDAO的ListTopYesterdayTopic方法，热帖昨日排行
		  * 13.TopicDAO的ListTopMonthTopic方法，热帖月排行
		  * 14.session中保存
		  * 15.请求Header.do
		  * 16.请求rootcategory.jsp
		  * 17.请求Foot.do
		  * @roseuid 49055CD60280
		  */
		String xid = request.getParameter("id");
		Integer id = Transform.StringToInteger(xid);
		CategoryDAO categoryDAO = new CategoryDAO();
		if(id==-1 || !categoryDAO.isExit(id, 1)){
			MessageOperate.setAttribute(request, "非法操作", "操作错误", "您所访问的id:"+id+",为空或不存在!程序将跳转到上一页.", "");
			return mapping.findForward("message");
		}else{
			tarena.entity.Category category = categoryDAO.findById(id);
			RootCategoryDAO rootCategoryDAO = new RootCategoryDAO();
			List<AbractCategory> secondCategory = rootCategoryDAO.listSecondCategoryByTop(id);
			List<CategorySecondAndThird> ocategorys = new Vector<CategorySecondAndThird>();
			//2级分类和3级分类
			if(secondCategory!=null)
				for(AbractCategory c:secondCategory)
					ocategorys.add(new CategorySecondAndThird(c,rootCategoryDAO.listHotThirdCategoryBySecond(c.getId())));
			//顶级分类下的热点商品
			List<AbractProduct> saleproducts = rootCategoryDAO.listHotProductByTop(id, 4);
			//查询热门顶级分类下的热门3级分类
			List<AbractCategory> hotThirdCategory = rootCategoryDAO.listHotThirdCategoryByTop(id, 10);
			//3级分类和热门商品
			List<HotCategoryAndProduct> hotproducts = new Vector<HotCategoryAndProduct>();
			//热门主题
			List<AbractTopic> topics_today = new TopicDAO().listHotTopic(10);
			//名人榜
			List<Personage> persons = rootCategoryDAO.listPersonage();
			
			if(hotThirdCategory!=null)
				for(AbractCategory c:hotThirdCategory)
					hotproducts.add(new HotCategoryAndProduct(c,rootCategoryDAO.listProductByCategory(c.getId(), 5)));
			
			
			request.setAttribute("tite", category.getCname()+" "+category.getDescription());
			request.setAttribute("address", "<a href='default.htm'>首页</a>&nbsp;> &nbsp;<span id='aTabCategory'>"+category.getCname()+"</span>");
			request.setAttribute("ocategorys", ocategorys);
			request.setAttribute("saleproducts", saleproducts);
			request.setAttribute("hotproducts", hotproducts);
			request.setAttribute("persons", persons);
			
			
			request.setAttribute("topics_today", topics_today);
			request.setAttribute("topics_yesterday", topics_today);
			request.setAttribute("topics_week", topics_today);
			request.setAttribute("topics_month", topics_today);
			
			request.setAttribute("rootid", id);
			
		}
		
		return mapping.findForward("rootcategory");
	}
}