queryproductsaction.java

gensou.rar为某渔具厂的一个简单ERP系统。为比较基础的工程

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.gensou.struts.sheji.order.action;

import java.util.ArrayList;
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.gensou.dao.sheji.product.ProductDao;
import com.gensou.struts.sheji.product.form.QueryProductForm;
import com.gensou.util.PagesMax;

/** 
 * MyEclipse Struts
 * Creation date: 01-31-2007
 * 
 * XDoclet definition:
 * @struts.action path="/queryproducts" name="queryproductForm" scope="request" validate="true"
 * @struts.action-forward name="queryproducts" path="/gjsp/sheji/order/queryProducts.jsp"
 */
public class QueryproductsAction 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) {
		QueryProductForm queryproductForm = (QueryProductForm) form;// TODO Auto-generated method stub
		String way = null;
		String term=null;
		String pages=request.getParameter("pageS");
		int pagei=Integer.parseInt(pages);
		String hql;
		int maxpage=1;
		ProductDao productDao=new ProductDao();
		List list=new ArrayList();
		try{
			
			way=queryproductForm.getWay();
			term=queryproductForm.getTerm();
			if(way==null||way.equals("")||term==null||term.equals("")){
				way=(String)request.getParameter("way");
				term=(String)request.getParameter("term");
				if(way==null||way.equals("")||term==null||term.equals("")){
					 hql="select count(id) from Changpinxinxi";
					 maxpage=PagesMax.max(hql);
					 list=productDao.queryproductall(way,term,pagei,maxpage);
				}
			}else{
				hql="select count(id) from Changpinxinxi where "+way+" like '%"+term+"%'";
				maxpage=PagesMax.max(hql);
				 list=productDao.queryproductall(way,term,pagei,maxpage);
			}
		}catch(NullPointerException e){}
		if(list.isEmpty()){
			String str="该产品不存在";
			request.setAttribute("str", str);
			return mapping.findForward("queryproducts");
		}else{
			request.setAttribute("way",way);
			request.setAttribute("term",term);
			request.setAttribute("pageS",pagei+"");
			request.setAttribute("maxpages",maxpage+"");
			request.setAttribute("product_info", list);
		    return mapping.findForward("queryproducts");
		}
	}
}