delstudentaction.java

本在线考试系统分成前台和后天

package org.yeeku.action;

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

import org.yeeku.action.base.BaseAction;
import org.yeeku.service.ExamService;

import org.yeeku.exception.*;
/**
 * @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 DelStudentAction extends BaseAction
{
	public ActionForward execute(ActionMapping mapping,ActionForm form,
		HttpServletRequest request, HttpServletResponse response)throws Exception
	{

		int studentId;
		String idStr = request.getParameter("studentId");
		if (idStr == null || idStr.trim().equals(""))
		{
			throw new ExamException("删除学生的ID丢失！");
		}
		try
		{
			studentId = Integer.parseInt(idStr.trim());
		}
		catch (Exception e)
		{
			throw new ExamException("非法的学生的ID值！");
		}
		examService.deleteStudent(studentId);
		return mapping.findForward("success");
	}
}