conferencequerybyidaction.java

该源码包括了基于J2EE的数据持久层设计,设计中使用了DAO,Service,等模式,并在Struts下进行了测试．

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.9.210/xslt/JavaClass.xsl

package org.conference.action;

import java.io.Serializable;

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 org.conference.datapersistence.Service.ServiceException;
import org.conference.datapersistence.Service.ServiceImple;
import org.conference.datapersistence.Bo.ConferenceVO;

/** 
 * MyEclipse Struts
 * Creation date: 05-22-2006
 * 
 * XDoclet definition:
 * @struts:action validate="true"
 * @struts:action-forward name="resultList" path="/pages/ConferenceResult.jsp"
 */
public class ConferenceQueryByIdAction extends Action implements Serializable{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	ServiceImple service=new ServiceImple();
	// --------------------------------------------------------- Instance Variables

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

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) {
		ConferenceVO vo=new ConferenceVO();
		try {
			vo=(ConferenceVO)service.FindConferencebyId(Integer.parseInt(request.getParameter("id")));
			System.out.println("vo: "+vo);
			request.setAttribute("conferenceList",vo);
			System.out.println("conferenceList:"+request.getAttribute("conferenceList"));
			return mapping.findForward("result");
			
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		} catch (ServiceException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}

		// TODO Auto-generated method stub
		
	}

}