querysaction.java

gensou.rar为某渔具厂的一个简单ERP系统。为比较基础的工程

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.1.1/xslt/JavaClass.xsl

package com.gensou.struts.popedom;

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.mange.popedom.PopedomDao;
import com.gensou.struts.mamage.popedom.form.QuerysForm;
import com.gensou.util.PagesMax;

/** 
 * MyEclipse Struts
 * Creation date: 01-25-2007
 * 
 * XDoclet definition:
 * @struts.action path="/querys" name="querysForm" scope="request" validate="true"
 * @struts.action-forward name="queryE" path="/gjsp/manage/popedom/query.jsp"
 * @struts.action-forward name="queryS" path="/gjsp/manage/popedom/query.jsp"
 */
public class QuerysAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 * @throws Exception 
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) throws Exception {
		QuerysForm querysForm = (QuerysForm) form;
		String name = "";
		String pages = request.getParameter("pageS");
		int pagei=Integer.parseInt(pages);
		String hql;
		int maxpage=1;
		List list=new ArrayList();
		PopedomDao pod = new PopedomDao();
		try{
			
			name = querysForm.getName();
			if(name==null||name.equals("")){
				name=(String)request.getParameter("name");
				if(name==null||name.equals("")){
					 hql="select count(id) from Quanxianbiao";
						
					 maxpage=PagesMax.max(hql);
					 
					 list = pod.query(name,pagei,maxpage);
				}
			}else{
				hql="select count(id) from Quanxianbiao where quanxianName like '%"+name+"%'";
				maxpage=PagesMax.max(hql);
				list = pod.query(name,pagei,maxpage);
			}
		}catch(NullPointerException e){}
		if(list != null){
			request.setAttribute("name",name);
			request.setAttribute("pageS",pagei+"");
			request.setAttribute("maxpages",maxpage+"");
			request.setAttribute("query",list);
			return mapping.findForward("queryS");
		}else{
			String queryE = "没有符合条件的数据";
			request.setAttribute("queryE",queryE);
			return mapping.findForward("queryE");
		}
	}

}