onlinetestaction.java

出试卷系统（包括前台教师出卷系统

package action;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

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

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

import entity.Course;
import entity.Exam;
import entity.Paper;
import entity.Question;
import entity.Student;
import entity.Teacher;
import entity.Theme;

import biz.CourseBIZ;
import biz.ExamBIZ;
import biz.PaperBIZ;
import biz.StudentBIZ;
import biz.TeacherBIZ;
import bizImpl.CourseBIZImpl;
import bizImpl.ExamBIZImpl;
import bizImpl.PaperBIZImpl;
import bizImpl.StudentBIZImpl;
import bizImpl.TeacherBIZImpl;

public class OnlineTestAction extends MappingDispatchAction {
	private TeacherBIZ teacherBIZ = new TeacherBIZImpl();
	private CourseBIZ courseBIZ = new CourseBIZImpl();
	private StudentBIZ studentBIZ=new StudentBIZImpl();
	private PaperBIZ paperBIZ = new PaperBIZImpl();
	private ExamBIZ examBIZ=new ExamBIZImpl();
    public ActionForward getAll(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		Collection<Teacher> teachers = teacherBIZ.getAllTeacher();
		Collection<Course> courses = courseBIZ.getAllCourse();
		List<Paper> exams = (List<Paper>) paperBIZ.getAllPaper();
		HttpSession session = request.getSession();
		session.setAttribute("teacher", teachers);
		session.setAttribute("course", courses);
		session.setAttribute("paperid", exams);
		return mapping.findForward("listpaper");

	}
    public ActionForward test(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
    	String tname=request.getParameter("tname");
    	String cname=request.getParameter("cname");
    	String pname=request.getParameter("ename");
    	Teacher teacher=teacherBIZ.selectTeacherByTName(tname);
    	Course course=courseBIZ.selectCourseByName(cname);
    	Paper paper=paperBIZ.selectPaperByName(pname);
    	Exam exam=examBIZ.selectExamByTeacherAndCourseAndPaper(teacher.getId(), course.getId(), paper.getId());
    	request.setAttribute("course", course);
    	request.setAttribute("paper",paper);
    	request.getSession().setAttribute("exam", exam.getThemes());
    	request.getSession().setAttribute("examid", exam.getId());
    	return mapping.findForward("paper");
	}
    public ActionForward commit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
    	List<Theme> themes=(List<Theme>) request.getSession().getAttribute("exam");
    	Student student=(Student)request.getSession().getAttribute("student");
    	Long studentid=student.getId();
    	for(Theme theme:themes){
    		List<Question> questions=theme.getQuestion();
    		for(Question question:questions){
    			String sanswer=request.getParameter(question.getId()+"");
    			studentBIZ.insertSanswer(studentid, question.getId(), sanswer);
    		}
    	}
    	return mapping.findForward("choosePaper");
	}
}