Java项目之网络考试系统

package com.sxt.controller; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.sxt.pojo.*; import com.sxt.service.*; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import org.springframework.web.servlet.tags.Param; import javax.jws.soap.SOAPBinding; import javax.servlet.http.HttpServletRequest; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Random; @Controller public class TeacherController { @Autowired PClassService pClassService; @Autowired UsersService usersService; @Autowired SubjectService subjectService; @Autowired CourseService courseService; @Autowired ExamService examService; @Autowired PaperService paperService; //查询学生列表 @GetMapping("/StudentList") public String findStuUsers(HttpServletRequest request, Model model, @RequestParam(defaultValue = "1",value = "pageNum")Integer pageNum){ //获取班级id Integer teaClassid = (Integer) request.getSession().getAttribute("TeaClassid"); //查看教师所在班级 PClass classid = pClassService.getClassid(teaClassid); model.addAttribute("pj",classid); //设置分页 PageHelper.startPage(pageNum,5); //查询学生列表 List<Users> users = usersService.pageByClassid(teaClassid); PageInfo<Users> usersPageInfo = new PageInfo<>(users); model.addAttribute("pageInfo",usersPageInfo); model.addAttribute("liss",users); //获取所有班级信息 List<PClass> allPClass = pClassService.getAllPClass(); model.addAttribute("list",allPClass); return "teacher/StudentList"; } //添加学生 @PostMapping("/addStu") public String addStuUsers(String username,String userpwd,String truename, Integer classid ){ //查询学生是否存在 Users byName = usersService.getByName(username); Users users = new Users(); if(byName==null){ users.setUsername(username); users.setUserpwd(userpwd); users.setTruename(truename); users.setClassid(classid); usersService.addUsers(users); }else { System.out.println("该学生已存在"); } return "redirect:/StudentList"; } //查询所有班级 @ResponseBody @PostMapping("/findAllClass") public List<PClass> pClassList(){ List<PClass> allPClass = pClassService.getAllPClass(); return allPClass; } //获取用户信息 @ResponseBody @PostMapping("/StuEdit") public Users stuEdit(@RequestBody Users users){ Users byUserid = usersService.getByUserid(users.getUserid()); if (byUserid!=null){ return byUserid; }else { return null; } } //修改学生 @PostMapping("/updateStu") public String updStuUser(Users users){ usersService.updateUsers(users); return "redirect:/StudentList"; } //删除单个学生 @GetMapping("/DeleteStu") public String deleteUsers(HttpServletRequest request){ Integer userid = Integer.valueOf(request.getParameter("userid")); usersService.delUserid(userid); return "redirect:/StudentList"; } //删除教师所在班级的全部学生 @GetMapping("/deleteAll") public String deleteUsersAll(HttpServletRequest request){ Integer teaClassid = (Integer) request.getSession().getAttribute("TeaClassid"); usersService.delClassid(teaClassid); return "redirect:/StudentList"; } //查询题目 @GetMapping("/finddanxuan") public String findSingle(@RequestParam(defaultValue = "1",value = "pageNum") Integer pageNum,Model model){ PageHelper.startPage(pageNum,5); List<Subject> allSubject = subjectService.getAllSubject(); for (Subject subject:allSubject){ Course allById = courseService.getAllById(subject.getCno()); subject.setCourse(allById); } PageInfo<Subject> subjectPageInfo = new PageInfo<>(allSubject); model.addAttribute("pageInfo",subjectPageInfo); model.addAttribute("subjectlist",allSubject); return "teacher/Single"; } //获取所有课程 @ResponseBody @GetMapping("/findAllCourse") public List<Course> courseList(){ List<Course> allCourse = courseService.getAllCourse(); return allCourse; } //添加题 @PostMapping("/addSingle") public String addSingle(Integer cno,String scontent,String sa,String sb,String sc,String sd,String skey){ Subject subject = new Subject(); subject.setCno(cno); subject.setScontent(scontent); subject.setSa(sa); subject.setSb(sb); subject.setSc(sc); subject.setSd(sd); subject.setSkey(skey); subjectService.addSingle(subject); return "redirect:/finddanxuan"; } //获取题数据 @ResponseBody @PostMapping("/findBySid") public Subject findBySid(@RequestBody Subject subject){ Subject subject1 = subjectService.geiBySid(subject.getSid()); if (subject1!=null){ return subject1; }else { return null; } } //修改题 @PostMapping("/updateSingle") public String updSingle(Subject subject){ subjectService.updateSingle(subject); return "redirect:/finddanxuan"; } //删除题 @PostMapping("/deleteSingle") public String delSingle(@RequestParam Integer sid){ subjectService.delSingle(sid); return "redirect:/finddanxuan"; } //查询考试信息 @GetMapping("/selectexam") public String selectExam(@RequestParam(defaultValue = "1",value = "pageNum")Integer pageNum,Model model){ PageHelper.startPage(pageNum,5); List<Exam> allExam = examService.getAllExam(); PageInfo<Exam> examPageInfo = new PageInfo<>(allExam); model.addAttribute("examlist",allExam); model.addAttribute("pageInfo",examPageInfo); return "teacher/SelectExam"; } //跳转到添加考试页面 @GetMapping("/addexam") public String toAddExam(){ return "teacher/addexam"; } //创建考试 @PostMapping("/addexames") public String addExam(String pname, Integer useid, Integer cno, Integer classid, Integer singlenumber, Integer singlecore, Date examdate, Date examtime,Integer testtime){ //生成考试信息 Exam exam=new Exam(); exam.setPname(pname); exam.setUseid(useid); exam.setCno(cno); exam.setClassid(classid); exam.setSinglenumber(singlenumber); exam.setSinglecore(singlecore); exam.setExamdate(examdate); exam.setExamtime(examtime); exam.setTesttime(testtime); examService.addExam(exam); //通过课程查询 List<Subject> subject = subjectService.getSubject(cno); //题的随机生成 ArrayList<Subject> subjects = new ArrayList<>(); Random random = new Random(); if (singlenumber>0){ for (int i=1;i<=singlenumber;i++){ int s = random.nextInt(subject.size()); Subject subject1 = subject.get(s); if (i==subject.size()){ break; }else { if (subjects.contains(subject1)){ i--; }else { subje