viewmessageaction.java

来自「基于j2ee的电子留言系统」· Java 代码 · 共 43 行

package org.yeeku.action;

import org.apache.struts.action.*;
import org.apache.struts.validator.DynaValidatorForm;
import javax.servlet.http.*;

import org.yeeku.service.MessageManager;
import org.yeeku.action.base.BaseAction;
import org.yeeku.exception.MessageException;
/**
 * @author  yeeku.H.lee [e-mail]
 * @version  1.0
 * <br>Copyright (C), 2005-2008, yeeku.H.Lee
 * <br>This program is protected by copyright laws.
 * <br>Program Name:
 * <br>Date: 
 */
public class ViewMessageAction extends BaseAction
{
	public ActionForward execute(ActionMapping mapping,ActionForm form,
		HttpServletRequest request, HttpServletResponse response)throws Exception
	{
		String idStr = request.getParameter("messageId");
		int messageId = 0;
		if (idStr == null || idStr.trim().equals(""))
		{
			throw new MessageException(" 需要查看的留言ID丢失");
		}
		try
		{
			messageId = Integer.parseInt(idStr.trim());
		}
		catch (Exception e)
		{
			throw new MessageException("非法的留言ID");
		}
		request.setAttribute("viewing" , messManager.getMessage(messageId));
		return mapping.findForward("success");

	
	}
}