searchbysortidaction.java

网上书店后台管理源码基于struts1.2+oracle数据库

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



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

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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;

import com.dongfang.dao.BookDAO;
import com.dongfang.po.Contants;

/** 
 * MyEclipse Struts
 * Creation date: 09-02-2007
 * 
 * XDoclet definition:
 * @struts.action path="/searchBySortId" name="searchForm" input="/wrong.jsp" scope="request" validate="true"
 */
public class SearchBySortIdAction 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) {
		// TODO Auto-generated method stub
		HttpSession session  = request.getSession();
		session.removeAttribute(Contants.KEYWORD_KEY);
		DynaActionForm searchForm = (DynaActionForm)form;
		
		
		Integer pageId = (Integer)searchForm.get("pageId");
		
		Integer sortId= (Integer)searchForm.get("sortId");
		int iSortId =sortId.intValue();
		int pageCount = 0;
		int iPageId = 0;
		if(pageId!=null)
		{
			iPageId = pageId.intValue();
			if(iPageId<0)
			{
				iPageId=0;
			}
		}
		
		BookDAO book = new BookDAO();
		List bookList =null;
		
			bookList = book.getMatchBookBySortID(iSortId);
			session.setAttribute(Contants.SORT_ID_KEY,new Integer(iSortId));
		
		
	    if(bookList.isEmpty())
	    {
	    	ActionMessages errors = new ActionMessages();
	    	errors.add("noProduct",new ActionMessage("errors.noProduct"));
	    	if(!errors.isEmpty())
	    	{
	    		super.saveErrors(request, errors);
	    		
	    	}
	    	return mapping.findForward("toWrong");
	    }
	    //获得业的总数
	    pageCount = (bookList.size()-1) / Contants.BOOK_PAGE_SIZE+1;
	    if(iPageId>=pageCount)
	    {
	    	iPageId = pageCount-1;
	    }
	    //System.out.println("ipagid "+iPageId);
	    //分页
	    //???????????????
	    if((iPageId>=0)&&bookList.size()>iPageId*Contants.BOOK_PAGE_SIZE)
	    
	    {
	    	List dispList = new ArrayList();
	    	for(int i=iPageId*Contants.BOOK_PAGE_SIZE;i<(iPageId+1)*Contants.BOOK_PAGE_SIZE;i++)
	    	{
	    		if(i<bookList.size())
	    		{
	    			dispList.add(bookList.get(i));
	    		}
	    	}
	    	
			session.setAttribute(Contants.SEARCH_BOOK_LIST_KEY, dispList);
			
			session.setAttribute(Contants.PAGE_COUNT_KEY,new Integer(pageCount));
			
			session.setAttribute(Contants.PAGE_ID_KEY, new Integer(iPageId));
	    }
		
		
	    return mapping.findForward("toListMain");
	}
}