editclasses.java

本系统是用struts编写的高校学生选课和成绩管理系统

package com.stuman.web.struts.action;

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.stuman.dao.DAOFactory;
import com.stuman.dao.ClassesDAO;
import com.stuman.domain.Classes;
import com.stuman.web.struts.form.ClassesForm;

/**
 * MyEclipse Struts Creation date: 04-08-2006
 * 
 * XDoclet definition:
 * 
 * @struts.action
 * @struts.action-forward name="deleteClassesSuccess" path="/getClasses.jsp"
 * @struts.action-forward name="deleteClassesFailed" path="/errorpage.jsp"
 */
public class EditClasses extends Action {

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

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

	private ClassesDAO claDao;

	public ClassesDAO getClassesDAO() {
		return DAOFactory.getInstance().createClassesDAO();
	}

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		// TODO Auto-generated method teab
		// ActionMessages errors = new ActionMessages();

		String id = (String) request.getParameter("Classes_id");
		ClassesForm claForm = (ClassesForm) form;
		// System.out.println("Classes = " + id);

		claDao = this.getClassesDAO();
		Classes cla = claDao.getClassesByID(id);

		cla.setCourse(claForm.getCourse());
		cla.setCourTime(claForm.getCourTime());
		cla.setTeacher(claForm.getTeacher());
		cla.setRoomId(claForm.getRoomId());

		if (claDao.updateClasses(cla)) {
			return (mapping.findForward("success"));
		}

		return (mapping.getInputForward());
	}

}