listbookaction.java

该系统的主要功能是

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.laoniu.web.action;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

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

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.laoniu.bean.Book;
import com.laoniu.bean.Orderform;
import com.laoniu.common.BeanFactory;
import com.laoniu.common.exception.OrderServiceException;
import com.laoniu.service.IOrderService;

/** 
 * MyEclipse Struts
 * Creation date: 05-14-2008
 * 
 * XDoclet definition:
 * @struts.action input="/member/frame/leftframe.jsp" validate="true"
 */
public class ListBookAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String currentPage=request.getParameter("currentPage");
		int pageNum=Integer.parseInt(currentPage);
		
		HttpSession session=request.getSession();
		Map<Long,Book> books=null;
		//分页显示
		IOrderService os=(IOrderService)BeanFactory.getBean(BeanFactory.ORDERSERVICE);
		
		try {
			books=os.listAllBook();
			int Size=books.size();
			List<Book> list=os.searchBook(books,10,pageNum);
			//总的订单的个数
			session.setAttribute("mbookSize", Size);
			//当前订单的集合
			session.setAttribute("msubbooks", list);
			//总的页数
			int pageCount=0;
			if(Size%10==0)
				pageCount=Size/10;
			else
				pageCount=Size/10+1;
			session.setAttribute("mbookpageSize",pageCount);
			//当前页数
			session.setAttribute("mbookcurrentNum", pageNum);
			List listPage=new ArrayList();
			for(int i=1;i<=pageCount;i++)
				listPage.add(i);
			session.setAttribute("mbooklistPage",listPage);
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (OrderServiceException e) {
			// TODO Auto-generated catch block
			request.setAttribute("message",e.getMessage());
			e.printStackTrace();
		}
		
		return mapping.findForward("return");
	}
}