categoryaction.java

struts+spring+hibernate例子

package com.shop.struts.actions;

import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.Vector;

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 com.shop.biz.CategoryBean;
import com.shop.dao.common.DateUtil;
import com.shop.data.AbractBrand;
import com.shop.data.AbractCategory;
import com.shop.data.AbractProduct;
import com.shop.data.CategoryList;
import com.shop.data.CategorySecondAndThird;
import com.shop.data.Page;
import com.shop.data.Pagination;
import com.shop.globals.MessageOperate;
import com.shop.globals.PublicParameter;
import com.shop.globals.Transform;
import com.shop.interfaces.ICategory;

public class CategoryAction extends MappingDispatchAction {
	private ICategory icategory;

	public void setIcategory(ICategory icategory) {
		this.icategory = icategory;
	}

	public ActionForward category(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		//此处记得保存rootid
		String xcid = request.getParameter("cid");
		String order = request.getParameter("order");
		Integer bid = Transform.StringToInteger(request.getParameter("bid"));
		Integer page=1;
		int everypage = PublicParameter.PRODUCT_NUMBER_EVERY_PAGE;
		page = Transform.StringToInteger(request.getParameter("page"));
		if(page == -1){
			page = 1;
		}
		
		Integer cid = Transform.StringToInteger(xcid);
		if(cid==-1 || !icategory.isExit(cid, 3)){
			MessageOperate.setAttribute(request, "非法操作", "操作错误", "您所访问的id:"+xcid+",为空或不存在!程序将跳转到上一页.", "");
			return mapping.findForward("message");
		}else{
			com.shop.entity.Category category = icategory.findById(cid);
			Integer secondid = icategory.getParentID(cid);
			Integer rootid = icategory.getParentID(secondid);
			
			List<AbractCategory> secondCategory = icategory.listSecondCategoryByTop(rootid);
			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,icategory.listHotThirdCategoryBySecond(c.getId())));
			//所有商品数
		//	Long totalpronum = thirdCategoryDAO.listProductNumByCategory(cid);
			//所有品牌
			List<AbractBrand> brands = icategory.listAllBrandWithProductCount(cid);
			//每周销售排行
			List<AbractProduct> saleproducts = icategory.listHotSaleProduct(cid, 10, DateUtil.formatDateSub(new Date(), 7), DateUtil.formatDateSub(new Date(), 0));
			//每周关注排行
			List<AbractProduct> viewproducts = icategory.listHotAttentionProduct(cid, 10, DateUtil.formatDateSub(new Date(), 7), DateUtil.formatDateSub(new Date(), 0));
			//最近浏览记录
			List<AbractProduct> lastviews = icategory.listUserLastViewProduct(request.getCookies());
			//全部商品
			List<AbractProduct> products = icategory.listAllProductByCategory(cid, everypage, page, bid, order);
			//分页信息
			String requestpage = "category.htm?cid="+cid+(order==null?"":"&order="+order)+(bid.equals(-1)?"":"&bid="+bid)+"&page=";
			Long pamount = icategory.listProductNumByCategoryAndBrand(cid, bid);
			//System.out.println(pamount+","+bid);
			int endpage = (int)(pamount%everypage==0?pamount/everypage:pamount/everypage+1);
			Pagination pagination = new Pagination();
			pagination.setFirst(new Page("首页",page.equals(1)?null:requestpage+1));
			pagination.setPrevious(new Page("上一页",page.equals(1)?null:requestpage+(page-1)));
			List<Page> content = new LinkedList<Page>();
			for(int i=1;i<=endpage;i++){
				if(page.equals(i)){
					content.add(new Page(""+i,null));
				}else{					
					content.add(new Page(""+i,requestpage+i));
				}
			}
			pagination.setContent(content);
			pagination.setNext(new Page("下一页",page.equals(endpage)?null:requestpage+(page+1)));
			pagination.setLast(new Page("末页",page.equals(endpage)?null:requestpage+endpage));
			
			
			//请求中设置属性
			request.setAttribute("title", category.getCname());
			request.setAttribute("rootid", rootid);
			request.setAttribute("address", "<a href='default.htm'>首页</a>&nbsp;> &nbsp;<a href='rootcategory.htm?id="+rootid+"' id='aTabCategory'>"+
					icategory.findById(rootid).getCname()
					+"</a>&nbsp;>&nbsp;<span id='aRootCategory'>"+
					icategory.findById(secondid).getCname()
					+"</span>&nbsp;>&nbsp;<b><span id='spanCategory'>"+
					icategory.findById(cid).getCname()
					+"</span></b>");
			request.setAttribute("scid", secondid);
			request.setAttribute("ocategorys", ocategorys);
			//request.setAttribute("totalpronum", totalpronum);
			request.setAttribute("brands", brands);
			request.setAttribute("saleproducts", saleproducts);
			request.setAttribute("viewproducts", viewproducts);
			request.setAttribute("lastviews", lastviews);
			request.setAttribute("products", products);
			request.setAttribute("pagination", pagination);
		}
		return mapping.findForward("category");
	}
	
	public ActionForward categorylist(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
		request.setAttribute("title", "所有分类");
		//一级分类
		List<CategoryList> allcategorys = new Vector<CategoryList>();
		/////////////////////////////////////////////////////////////////
		List<AbractCategory> acs=icategory.listAllTopCategory();
		for(AbractCategory ac:acs){
			CategoryList cl=new CategoryList(ac);
			new com.shop.struts.actions.CategoryAction().findChild(cl);
			allcategorys.add(cl);
		}
		/////////////////////////////////////////////////////////////////
		request.setAttribute("allcategorys", allcategorys);
		return mapping.findForward("categorylist");
	}
	
		
	private void findChild(CategoryList category){
		if(category.getChildcategory()!=null&&category.getChildcategory().size()!=0) return;
		List<CategoryList> list = new Vector<CategoryList>();		
		try {
			for(AbractCategory ac:icategory.listAllChildCategory(category.getRootcategory().getId())){
				list.add(new CategoryList(ac));
			}
		} catch (RuntimeException e) {
			e.printStackTrace();
		}
		category.setChildcategory(list);
		
		if(category.getChildcategory()==null||category.getChildcategory().size()==0) return;
		for(CategoryList child:category.getChildcategory()){
			findChild(child);
		}
	}
}