SSM在线考试系统

SSm(Spring、SpringMVC和Mybatis)开发的在线考试系统 包括前后台，

package controller;

import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.servlet.http.HttpSession;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import po.Exam;
import po.Questions;
import po.QuestionsCustom;
import po.Student;
import po.Studentresult;
import po.StudentresultCustom;
import po.Taoti;
import service.QuestionsService;
import service.ResultService;
import service.StudentService;
import service.TaotiService;

@Controller
public class ExamController {
	@Autowired
	private TaotiService taotiService;
	
	@Autowired
	private QuestionsService questionsService;
	
	@Autowired
	private StudentService studentService;
	
	@Autowired
	private ResultService resultService;
	
	@RequestMapping（“/toExam.action“）
	public String toExam（） throws Exception{
		return “/exam“;
	}
	
	@RequestMapping（“/toExamPage.action“）
	public ModelAndView toExamPage（Integer lessonid） throws Exception{
		ModelAndView modelAndView=new ModelAndView（）;
		List list = taotiService.findListByLessonid（lessonid）;
		if （list.size（）>0） {
			Integer length=list.size（）;
			Integer index=（int） （Math.random（）*（length-1））;
			Taoti taoti=list.get（index）;
			List list2 = questionsService.findListByTaotiid（taoti.getId（））;
			modelAndView.addobject（“list“ list2）;
		}else {
			modelAndView.addobject（“list“ null）;
		}
		modelAndView.setViewName（“/examPage“）;
		return modelAndView;
	}
	
	@RequestMapping（“/postExam.action“）
	public ModelAndView postExam（Exam examHttpSession session） throws Exception{
		ModelAndView modelAndView=new ModelAndView（）;
		
		Studentresult studentresult=new Studentresult（）;
		
		Map map = exam.getAnswerMap（）;
		Set keySet=map.keySet（）;
		Iterator it=keySet.iterator（）;
		Integer singleGrade=0;
		Integer doubleGrade=0;
		Integer taotiId=null;
		while（it.hasNext（）） {
			Integer key=it.next（）;
			String value=map.get（key）;
			
			Questions questions = questionsService.findById（key）;
			if（taotiId == null） {
				taotiId=questions.getTaotiid（）;
			}
			if（questions.getType（）.equals（“单选“）） {
				if（questions.getAnswer（）.equals（value）） {
					singleGrade+=10;
				}
			}else {
				if（questions.getAnswer（）.equals（value）） {
					doubleGrade+=20;
				}
			}
		}
		Integer totalGrade=singleGrade+doubleGrade;
		
		Taoti taoti = taotiService.fintOneById（taotiId）;
		
		String examnumber=“CN“;
		SimpleDateFormat simpleDateFormat=new SimpleDateFormat（“yyyyMMdd“）;
		Date date=new Date（）;
		String strD = simpleDateFormat.format（date）;
		object studentName = session.getAttribute（“studentName“）;
		String studentId=null;
		if（studentName!=null） {
			String studentName2

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-09-20 14:09  OnlineExamSystem\
     文件         816  2017-09-20 14:10  OnlineExamSystem\.classpath
     文件           8  2017-08-06 13:16  OnlineExamSystem\.gitignore
     文件         885  2017-08-06 13:16  OnlineExamSystem\.project
     目录           0  2017-09-20 14:09  OnlineExamSystem\.settings\
     文件         555  2017-08-06 13:16  OnlineExamSystem\.settings\.jsdtscope
     文件         357  2017-08-06 13:16  OnlineExamSystem\.settings\org.eclipse.jdt.core.prefs
     文件         568  2017-08-06 13:16  OnlineExamSystem\.settings\org.eclipse.wst.common.component
     文件         335  2017-08-06 13:16  OnlineExamSystem\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2017-08-06 13:16  OnlineExamSystem\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2017-08-06 13:16  OnlineExamSystem\.settings\org.eclipse.wst.jsdt.ui.superType.name
     目录           0  2017-09-20 14:09  OnlineExamSystem\build\
     目录           0  2017-09-20 14:15  OnlineExamSystem\build\classes\
     目录           0  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\
     文件        6185  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\ExamController.class
     文件        3787  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\LessonController.class
     文件        4103  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\ManagerController.class
     文件        3351  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\QuestionsController.class
     文件        8132  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\ResultController.class
     文件        5477  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\StudentController.class
     文件        4108  2017-09-20 14:12  OnlineExamSystem\build\classes\controller\TaoTiController.class
     文件         157  2017-09-20 14:15  OnlineExamSystem\build\classes\db.properties
     目录           0  2017-09-20 14:12  OnlineExamSystem\build\classes\exception\
     文件         634  2017-09-20 14:12  OnlineExamSystem\build\classes\exception\CustomException.class
     文件        1478  2017-09-20 14:12  OnlineExamSystem\build\classes\exception\CustomExceptionResolver.class
     目录           0  2017-09-20 14:12  OnlineExamSystem\build\classes\interceptor\
     文件        2343  2017-09-20 14:12  OnlineExamSystem\build\classes\interceptor\CheckIsLogin.class
     文件        2323  2017-09-20 14:12  OnlineExamSystem\build\classes\interceptor\CheckManagerIsLogin.class
     文件         344  2017-08-06 13:16  OnlineExamSystem\build\classes\log4j.properties
     目录           0  2017-09-20 14:12  OnlineExamSystem\build\classes\mapper\
     文件         827  2017-09-20 14:12  OnlineExamSystem\build\classes\mapper\LessonMapper.class
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