Java專案:在線考試系統(java+SSM+mysql+JSP)

運行環境：jdk1.8、Mysql5.7、Tomcat8.5、IDEA/Eclipse

功能簡介：在線考試、歷史回顧、個人成績查詢等，

管理員和教師功能有：學院管理、班級管理、課程管理、教師、學生管理、統計分析、試卷試題管理、考試安排管理、歷史考試管理等

學生資訊控制層：

@Controller
@RequestMapping("/student")
public class StudentController {
    @Autowired
    private ClasseMapper classeMapper;
    @Autowired
    private StudentService studentService;
//查看所有學生
    @RequestMapping("/getAllStudent")
    public String getAllStudent(Model model){
        List<Student> students = studentService.getAll();
        model.addAttribute("students",students);
        return "student/studentList";
    }

//修改編輯功能,先獲取該id得學生資訊
    @RequestMapping("/{id}")
    public String updateStudent(@PathVariable("id") Integer id,Model model){
        Student student=studentService.getStudentById(id);
        List<Classe> classes = classeMapper.queryAll();
        model.addAttribute("classes",classes);
        model.addAttribute("student",student);
        return "student/studentEdit";
    }
//更改學生資訊
    @RequestMapping("/editStudent")
    public String EditStudent(Student student){
        studentService.EditStudent(student);
        return "redirect:/student/getAllStudent";
    }
//洗掉學生
    @RequestMapping("/deleteStudent/{id}")
    public String deleteStudent(@PathVariable("id") Integer id){
        studentService.deleteById(id);
        return "redirect:/student/getAllStudent";
    }
}

登錄資訊控制層：

@Controller
public class LoginController {
    @Autowired
    private StudentService studentService;
    @Autowired
    private TeacherService teacherService;
    @Autowired
    private QuestionService questionService;
    @Autowired
    private PaperService paperService;
    @Autowired
    private ClasseService classeService;
    @Autowired
    private RecordService recordService;
    @RequestMapping("/")
    public String view(Model model){
        //查詢所有用戶
        int teas=teacherService.queryCountAll();
        int stus=studentService.queryCOuntALlstu();
        int alllogers=teas+stus;
        //統計試題
        int allQues=questionService.queryCountAllQues();
        //統計試卷
        int allPaps=paperService.queryCountALlPaps();
        model.addAttribute("allPaps",allPaps);
        model.addAttribute("allQues",allQues);
        model.addAttribute("alllogers",alllogers);
        return "stage/prexam";
    }
    //后臺切換到前臺登錄
    @RequestMapping("/foreLogin")
    public String foreLogin(){
        return "stage/login";
    }
    //前臺切換到后臺登錄
    @RequestMapping("/backLogin")
    public String backLogin(){
        return "stage/loginx";
    }

    //后臺教師登錄驗證
    @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){
        //查詢所有用戶
        int teas=teacherService.queryCountAll();
        int stus=studentService.queryCOuntALlstu();
        int alllogers=teas+stus;
        //統計試題
        int allQues=questionService.queryCountAllQues();
        //統計試卷
        int allPaps=paperService.queryCountALlPaps();
        List<Record> ScoreHStu=recordService.queryRankScoreRecord();
        List<Record> AccHStu=recordService.queryRankAccRecord();
        model.addAttribute("ScoreHStu",ScoreHStu);
        model.addAttribute("AccHStu",AccHStu);
        model.addAttribute("allPaps",allPaps);
        model.addAttribute("allQues",allQues);
        model.addAttribute("alllogers",alllogers);
        return "index";
    }

    //前臺學生登錄考試
    @ResponseBody
    @RequestMapping("/foreCheck/check")
    public Object foreCheck(Student student, HttpServletRequest request){
        AjaxResult result=new AjaxResult();
        HttpSession session=request.getSession();
        Student stud=studentService.check(student);
        if(stud!=null){
            session.setAttribute("loger",stud);
            result.setSuccess(true);
        }else {
            result.setSuccess(false);
        }
        return result;
    }
    //前臺登錄到展示頁面
    @RequestMapping("/indexprexam")
    public String indexprexam(){
        return "stage/prexamed";
    }

    //退出系統
    @RequestMapping(value = {"*/logout","/logout","teacher/logout"})
    public String logout(HttpSession session) {
        //session里可能不止存放一個資料，移除麻煩，所以讓其失效跟直接
        session.invalidate();
        return "redirect:/";
    }

    //學生注冊
    //去添加頁面
    @RequestMapping("/prexam/toAddStudent")
    public String toAddStudent(Model model){
        List<Classe> allClasees = classeService.getAll();
        model.addAttribute("allClasees",allClasees);
        return "stage/studentAdd";
    }
    //添加具體操作
    @RequestMapping("/prexam/AddStudent")
    public String AddStudent(Student student){
        studentService.AddStudent(student);
        return "redirect:/foreLogin";
    }
    @RequestMapping("/zhao")
    public String zhao(){
        return "stage/zhao";
    }
}

試題控制層：

@Controller
@RequestMapping("/question")
public class QuestionController {
    @Autowired
    private QuestionService questionService;
    @Autowired
    private TeacherService teacherService;
    @Autowired
    private PaperService paperService;
    //查看所有試題 pagesize控制每頁資料條數
    @RequestMapping("/getAllQuestion")
    public String getAllQuestion(Question question,@RequestParam(defaultValue = "1") int pageNum,
                                 @RequestParam(defaultValue = "4") int pageSize,
                                 Model model){
        //查找所有題目課程和所有型別，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){
            //默認查詢所有
            questionCourseresRes="all";
        }else {
            questionCourseresRes=questionCourseBef;
        }
        //若是第一次查詢則用上次提交的表單中的型別、課程，若是第二次查詢則延用上次型別
        String questionTypeBef=question.getQuestionType();
        String questionTypesRes="";
        if(questionTypeBef==null){
            //默認查詢所有
            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);//這行是重點，表示從pageNum頁開始，每頁pageSize條資料
        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";
    }
//試題添加或者修改操作，先去添加頁面
    @RequestMapping("/toAddQuestion")
    public String toAddQuestion(Model model){
        List<Question> questionCourses=questionService.queryAllCourse();
        List<Question> questionTypes=questionService.queryAllType();
        model.addAttribute("questionTypes",questionTypes);
        model.addAttribute("questionCourses",questionCourses);
        return "question/questionAdd";
    }

    //添加具體操作
    @RequestMapping("/addQuestion")
    public String addQuestion(Question question){
        questionService.addQuestion(question);
        return "redirect:/question/getAllQuestion";
    }

//試題去修改頁面
    @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";
    }

    //修改具體操作
    @RequestMapping("/EditQuestion")
    public String EditQuestion(Question question){
        questionService.editQuestion(question);
        return "redirect:/question/getAllQuestion";
    }

    //試題洗掉
    @RequestMapping("/deleteQuestion/{id}")
    public String deleteQuestionById(@PathVariable("id") Integer id){
        questionService.deleteQuestionById(id);
        return "redirect:/question/getAllQuestion";
    }

}