editteacher.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.TeacherDAO;
import com.stuman.domain.Teacher;
import com.stuman.web.struts.form.TeacherForm;

/**
 * MyEclipse Struts Creation date: 04-08-2006
 * 
 * XDoclet definition:
 * 
 * @struts.action
 * @struts.action-forward name="deleteTeacherSuccess" path="/getTeacher.jsp"
 * @struts.action-forward name="deleteTeacherFailed" path="/errorpage.jsp"
 */
public class EditTeacher extends Action {

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

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

	private TeacherDAO teaDao;

	public TeacherDAO getTeacherDAO() {
		return DAOFactory.getInstance().createTeacherDAO();
	}

	/**
	 * 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("Teacher_id");
		TeacherForm teaForm = (TeacherForm) form;
//		System.out.println("Teacher = " + id);

		teaDao = this.getTeacherDAO();
		Teacher tea = teaDao.getTeacherByID(id);
		
		tea.setName( teaForm.getName());
		tea.setPassword( teaForm.getPassword() );
		tea.setTitle( teaForm.getTitle() );
		
		if(teaDao.updateTeacher(tea)){
			return (mapping.findForward("success"));
		}	
		
		return (mapping.getInputForward());
	}

}