listaction.java

struts hibernate框架 商场买卖

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.shopping.struts.action.item;

import java.util.List;

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 com.shopping.bo.item.Pager;
import com.shopping.bo.item.PagerHelper;
import com.shopping.dao.UnifyDao;
import com.shopping.factory.DAOFactory;
import com.shopping.vo.Category;

/**
 * MyEclipse Struts Creation date: 04-16-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action validate="true"
 * @struts.action-forward name="success" path="/list.jsp" redirect="true"
 */
public class ListAction extends Action {

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String catId2 = request.getParameter("catId");
		int catId = Integer.parseInt(catId2);
		UnifyDao ud = null;
		try {
			ud = (UnifyDao) DAOFactory
					.getBean("com.shopping.dao.imp.ItemDaoImp");
		} catch (InstantiationException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} catch (IllegalAccessException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} catch (ClassNotFoundException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		UnifyDao catDao = null;
		try {
			catDao = (UnifyDao) DAOFactory
					.getBean("com.shopping.dao.imp.CatDaoImp");
		} catch (InstantiationException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} catch (IllegalAccessException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} catch (ClassNotFoundException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		List ca = null;
		int totalRows;
		int startRow;
		Pager pager;
		Category cat = (Category) catDao.getTableById(catId);
		if (cat.getPid() == 0) {
			totalRows = ud.getRows2(catId);
			pager = PagerHelper.getPager(request, totalRows);
			ca = ud.getTable2(catId, pager.getPageSize(), pager.getStartRow());
			request.getSession().setAttribute("itemPage", pager);
			request.setAttribute("List", ca);
			request.setAttribute("catId", catId);
		} else {
			totalRows = ud.getRows(catId);
			pager = PagerHelper.getPager(request, totalRows);
			ca = ud.getTable(catId, pager.getPageSize(), pager.getStartRow());
			request.getSession().setAttribute("itemPage", pager);
			request.setAttribute("List", ca);
			request.setAttribute("catId", catId);
		}

		return new ActionForward("/list.jsp");
	}
}