coursecartaction.java

本程序所写的排课

package com.briup.web.action;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import com.briup.bean.Course;
import com.briup.bean.CourseCart;
import com.briup.bean.Deploy;
import com.briup.bean.SC;
import com.briup.bean.Student;
import com.briup.bean.User;
import com.briup.common.BeanFactory;
import com.briup.common.exception.CourseServiceException;
import com.briup.service.impl.CourseServiceImpl;
import com.briup.service.impl.UserServiceImpl;

public class CourseCartAction extends DispatchAction{

	public ActionForward clear(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {

		Long courseid = new Long(request.getParameter("courseid"));
		CourseCart cart = (CourseCart)request.getSession().getAttribute("cart");
		cart.delCourse(courseid);
		return mapping.findForward("clear");
	}
	
	public ActionForward clearAll(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {

		CourseCart cart = (CourseCart)request.getSession().getAttribute("cart");
		cart.delAll();
		return mapping.findForward("clearAll");
	}
	
	public ActionForward continueStart(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {

		return mapping.findForward("continue");
	}
	
	public ActionForward submit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {

		CourseCart cart = (CourseCart)request.getSession().getAttribute("cart");
		Student student = cart.getStudent();
		student.setSelect(true);
		User user = (User)request.getSession().getAttribute("user");
		Set<SC> scSet = cart.getCourseofStudent();
		int score = 0;
		Set<Course> courseSet = cart.getMap().keySet();
		for(Course course : courseSet)
		{
			score += course.getPoint();
		}
		if(score == 0)
		{
			request.setAttribute("msg", "你还没有选课，请先选课");
			return mapping.findForward("clear");
		}
		else if(score >= 12)
		{
			request.setAttribute("msg", "你的学分不能超过12分！");
			return mapping.findForward("clear");
		}
		
		CourseServiceImpl service = (CourseServiceImpl)BeanFactory.getBean(BeanFactory.COURSESERVICEIMPL);
		UserServiceImpl userService = (UserServiceImpl)BeanFactory.getBean(BeanFactory.USERSERVICEIMPL);
		
//		String[][] time = new String[3][5];
		List<String> time = new ArrayList<String>();
		try {
			service.saveSC(scSet);
			userService.saveStudent(student);
			List<Deploy> deployList = (List<Deploy>)request.getSession().getServletContext().getAttribute("deployList");
			if(deployList.size() == 0)
				request.setAttribute("msg", "由于还没有进行排课，现在暂不能查看上课情况");
			else
			{
				time = cart.getCourseTime(deployList);
				request.setAttribute("time", time);
			}
			return mapping.findForward("success");
		} catch (Exception e) {
			
			if(e instanceof CourseServiceException)
			{
				request.setAttribute("msg", e.getMessage());
				return mapping.findForward("failure");
			}
			e.printStackTrace();
		}
		return null;
	}
}