基于javaweb+jsp的在线高中考试系统(java+SSM+Jsp+Mysql+Maven)

项目分为前台和后台，前台主要为学生角色、后台主要为管理员角色。
管理员添加试题和发布试卷，学生负责在线考试、在线查看成绩和错题记录列表等。
管理员功能有：年级管理、课程管理、试题管理、试卷管理、学生管理等。
运行环境：jdk1.8、mysql5.x、eclipse、tomcat8.5\7.0、maven3.5\3.6。

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

    @RequestMapping("/backLogin")
    public String backLogin(){
        return "stage/loginx";
    }
    //后台教师登录验证
    @ResponseBody
    @RequestMapping("/backLogin/check")
    public Object backCheck(Teacher teacher, HttpServletRequest request){
        AjaxResult result=new AjaxResult();
        HttpSession session=request.getSession();
        Teacher teac=teacherService.check(teacher);
        if(teac!=null){
            session.setAttribute("logerd",teac);
            result.setSuccess(true);
        }else {
            result.setSuccess(false);
        }
        return result;
    }
    @RequestMapping("/index")
    public String index(Model model){
        //查询所有用户
        int teas=teacherService.queryCountAll();
        int stus=studentService.queryCOuntALlstu();
        int alllogers=teas+stus;
        //统计试题

        int teas=teacherService.queryCountAll();
        int stus=studentService.queryCOuntALlstu();
        int alllogers=teas+stus;
        //统计试题
        int allQues=questionService.queryCountAllQues();
        //统计试卷
        int allPaps=paperService.queryCountALlPaps();
        model.addAttribute("allPaps",allPaps);
        model.addAttribute("allQues",allQues);
        model.addAttribute("alllogers",alllogers);
        return "stage/prexam";
    }
    //后台切换到前台登录
    @RequestMapping("/foreLogin")
    public String foreLogin(){
        return "stage/login";
    }
    //前台切换到后台登录
    @RequestMapping("/backLogin")
    public String backLogin(){
        return "stage/loginx";
    }
    //后台教师登录验证
    @ResponseBody
    @RequestMapping("/backLogin/check")
    public Object backCheck(Teacher teacher, HttpServletRequest request){
        AjaxResult result=new AjaxResult();

@RequestMapping("/question")
public class QuestionController {
    @Autowired
    private QuestionService questionService;
    @Autowired
    private TeacherService teacherService;
    @Autowired
    private PaperService paperService;
    //查看所有试题 pagesize控制每页数据条数
    @RequestMapping("/getAllQuestion")
    public String getAllQuestion(Question question,@RequestParam(defaultValue = "1") int pageNum,
                                 @RequestParam(defaultValue = "4") int pageSize,
                                 Model model){
        //查找所有题目课程和所有类型，且去重
        List<Question> questionCourses=questionService.queryAllCourse();
        questionCourses.add(new Question("bug","all"));
        List<Question> questionTypes=questionService.queryAllType();
        questionTypes.add(new Question("k","bug"));
        String questionCourseBef = question.getQuestionCourse();
        String questionCourseresRes="";
        if(questionCourseBef==null){
            //默认查询所有
            questionCourseresRes="all";
        }else {

}
问题管理控制层：
@Controller
@RequestMapping("/question")
public class QuestionController {
    @Autowired
    private QuestionService questionService;
    @Autowired
    private TeacherService teacherService;
    @Autowired
    private PaperService paperService;
    //查看所有试题 pagesize控制每页数据条数
    @RequestMapping("/getAllQuestion")
    public String getAllQuestion(Question question,@RequestParam(defaultValue = "1") int pageNum,
                                 @RequestParam(defaultValue = "4") int pageSize,
                                 Model model){
        //查找所有题目课程和所有类型，且去重
        List<Question> questionCourses=questionService.queryAllCourse();
        questionCourses.add(new Question("bug","all"));
        List<Question> questionTypes=questionService.queryAllType();
        questionTypes.add(new Question("k","bug"));

        return "question/questionEdit";
    }
    //修改具体操作
    @RequestMapping("/EditQuestion")
    public String EditQuestion(Question question){
        questionService.editQuestion(question);
        return "redirect:/question/getAllQuestion";
    }
    //试题删除
    @RequestMapping("/deleteQuestion/{id}")
    public String deleteQuestionById(@PathVariable("id") Integer id){
        questionService.deleteQuestionById(id);
        return "redirect:/question/getAllQuestion";
    }
}
登录控制层：
@Controller
public class LoginController {
    @Autowired
    private StudentService studentService;
    @Autowired

//试题去修改页面
    @RequestMapping("/toEditQuestion/{id}")
    public String toEditQuestion(@PathVariable("id") Integer id,Model model){
        List<Question> questionCourses=questionService.queryAllCourse();
        List<Question> questionTypes=questionService.queryAllType();
        Question question=questionService.getQuestionById(id);
        model.addAttribute("questionTypes",questionTypes);
        model.addAttribute("questionCourses",questionCourses);
        model.addAttribute("question",question);
        return "question/questionEdit";
    }
    //修改具体操作
    @RequestMapping("/EditQuestion")
    public String EditQuestion(Question question){
        questionService.editQuestion(question);
        return "redirect:/question/getAllQuestion";

                                 Model model){
        //查找所有题目课程和所有类型，且去重
        List<Question> questionCourses=questionService.queryAllCourse();
        questionCourses.add(new Question("bug","all"));
        List<Question> questionTypes=questionService.queryAllType();
        questionTypes.add(new Question("k","bug"));
        String questionCourseBef = question.getQuestionCourse();
        String questionCourseresRes="";
        if(questionCourseBef==null){
            //默认查询所有
            questionCourseresRes="all";
        }else {
            questionCourseresRes=questionCourseBef;
        }
        //若是第一次查询则用上次提交的表单中的类型、课程，若是第二次查询则延用上次类型

        if(questionTypeBef==null){
            //默认查询所有
            questionTypesRes="k";
        }else {
            questionTypesRes=questionTypeBef;
        }
        List<Question> questionids=paperService.queryALlQuestionId();
        List<Integer> quesIds=new ArrayList<>();
        for(Question qid:questionids){
            quesIds.add(qid.getQuestionId());
        }
        model.addAttribute("quesIds",quesIds);
        PageHelper.startPage(pageNum,pageSize);//这行是重点，表示从pageNum页开始，每页pageSize条数据
        List<Question> questions = questionService.getAll(question);
        PageInfo<Question> pageInfo = new PageInfo<Question>(questions);
        model.addAttribute("questionCourseresRes",questionCourseresRes);
        model.addAttribute("questionTypesRes",questionTypesRes);
        model.addAttribute("questionTypes",questionTypes);
        model.addAttribute("questionCourses",questionCourses);
        model.addAttribute("pageInfo",pageInfo);
        return "question/questionList";
    }

    }
    //前台登录到展示页面
    @RequestMapping("/indexprexam")
    public String indexprexam(){
        return "stage/prexamed";
    }
    //退出系统
    @RequestMapping(value = {"*/logout","/logout","teacher/logout"})
    public String logout(HttpSession session) {
        //session里可能不止存放一个数据，移除麻烦，所以让其失效跟直接
        session.invalidate();
        return "redirect:/";
    }
    //学生注册
    //去添加页面
    @RequestMapping("/prexam/toAddStudent")

    @Autowired
    private TeacherService teacherService;
    @Autowired
    private PaperService paperService;
    //查看所有试题 pagesize控制每页数据条数
    @RequestMapping("/getAllQuestion")
    public String getAllQuestion(Question question,@RequestParam(defaultValue = "1") int pageNum,
                                 @RequestParam(defaultValue = "4") int pageSize,
                                 Model model){
        //查找所有题目课程和所有类型，且去重
        List<Question> questionCourses=questionService.queryAllCourse();
        questionCourses.add(new Question("bug","all"));
        List<Question> questionTypes=questionService.queryAllType();
        questionTypes.add(new Question("k","bug"));
        String questionCourseBef = question.getQuestionCourse();
        String questionCourseresRes="";
        if(questionCourseBef==null){
            //默认查询所有
            questionCourseresRes="all";
        }else {
            questionCourseresRes=questionCourseBef;
        }
        //若是第一次查询则用上次提交的表单中的类型、课程，若是第二次查询则延用上次类型