regcourse.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 java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.sql.SQLException;

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.EnrolDAO;
import com.stuman.domain.Enrol;

public class RegCourse  extends Action {

	private EnrolDAO enrolDao;

	public EnrolDAO getClassesDAO() {
		return DAOFactory.getInstance().createEnrolDAO();
	}

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

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

		enrolDao = this.getClassesDAO();
		String stuid = (String)request.getParameter("id");
		String classid = (String)request.getParameter("classid");
		try {
			enrolDao.addEnrol(stuid,classid);			
			return (mapping.findForward("success"));			
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return (mapping.getInputForward());
	}

}