querrycourseaction.java

一个学生选课系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.student.action;

import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

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.student.dao.DataOperate;


public class QuerryCourseAction extends Action {
	
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ArrayList courses = DataOperate.getAllCourse();
		HttpSession session = request.getSession();
		session.setAttribute("courses", courses);
		//request.setAttribute("courses", courses);
		String r=(String) session.getAttribute("root");
		if(r.equals("0"))
		{
			return new ActionForward("/teacher_course.jsp");
		}
		else
		{
			return new ActionForward("/root_course.jsp");
		}
	}
}