基于SpringBoot+Vue的智能在线考试系统的设计与实现

package com.zlf.exam.controller.student;
import com.zlf.exam.base.BaseApiController;
import com.zlf.exam.base.RestResponse;
import com.zlf.exam.domain.TaskExam;
import com.zlf.exam.domain.TaskExamCustomerAnswer;
import com.zlf.exam.domain.TextContent;
import com.zlf.exam.domain.User;
import com.zlf.exam.domain.enums.ExamPaperTypeEnum;
import com.zlf.exam.domain.task.TaskItemAnswerObject;
import com.zlf.exam.domain.task.TaskItemObject;
import com.zlf.exam.service.*;
import com.zlf.exam.utility.DateTimeUtil;
import com.zlf.exam.utility.JsonUtil;
import com.zlf.exam.viewmodel.student.dashboard.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
@RestController("StudentDashboardController")
@RequestMapping(value = "/api/student/dashboard")
public class DashboardController extends BaseApiController {
    private final UserService userService;
    private final ExamPaperService examPaperService;
    private final QuestionService questionService;
    private final TaskExamService taskExamService;
    private final TaskExamCustomerAnswerService taskExamCustomerAnswerService;
    private final TextContentService textContentService;
    @Autowired
    public DashboardController(UserService userService, ExamPaperService examPaperService, QuestionService questionService, TaskExamService taskExamService, TaskExamCustomerAnswerService taskExamCustomerAnswerService, TextContentService textContentService) {
        this.userService = userService;
        this.examPaperService = examPaperService;
        this.questionService = questionService;
        this.taskExamService = taskExamService;
        this.taskExamCustomerAnswerService = taskExamCustomerAnswerService;
        this.textContentService = textContentService;
    }
    @RequestMapping(value = "/index", method = RequestMethod.POST)
    public RestResponse<IndexVM> index() {
        IndexVM indexVM = new IndexVM();
        User user = getCurrentUser();
        PaperFilter fixedPaperFilter = new PaperFilter();
        fixedPaperFilter.setGradeLevel(user.getUserLevel());
        fixedPaperFilter.setExamPaperType(ExamPaperTypeEnum.Fixed.getCode());
        indexVM.setFixedPaper(examPaperService.indexPaper(fixedPaperFilter));
        PaperFilter timeLimitPaperFilter = new PaperFilter();
        timeLimitPaperFilter.setDateTime(new Date());
        timeLimitPaperFilter.setGradeLevel(user.getUserLevel());
        timeLimitPaperFilter.setExamPaperType(ExamPaperTypeEnum.TimeLimit.getCode());
        List<PaperInfo> limitPaper = examPaperService.indexPaper(timeLimitPaperFilter);
        List<PaperInfoVM> paperInfoVMS = limitPaper.stream().map(d -> {
            PaperInfoVM vm = modelMapper.map(d, PaperInfoVM.class);
            vm.setStartTime(DateTimeUtil.dateFormat(d.getLimitStartTime()));
            vm.setEndTime(DateTimeUtil.dateFormat(d.getLimitEndTime()));
            return vm;
        }).collect(Collectors.toList());
        indexVM.setTimeLimitPaper(paperInfoVMS);
        return RestResponse.ok(indexVM);
    }
    @RequestMapping(value = "/task", method = RequestMethod.POST)
    public RestResponse<List<TaskItemVm>> task() {
        User user = getCurrentUser();
        List<TaskExam> taskExams = taskExamService.getByGradeLevel(user.getUserLevel());
        if (taskExams.size() == 0) {
            return RestResponse.ok(new ArrayList<>());
        }
        List<Integer> tIds = taskExams.stream().map(taskExam -> taskExam.getId()).collect(Collectors.toList());
        List<TaskExamCustomerAnswer> taskExamCustomerAnswers = taskExamCustomerAnswerService.selectByTUid(tIds, user.getId());
        List<TaskItemVm> vm = taskExams.stream().map(t -> {
            TaskItemVm itemVm = new TaskItemVm();
            itemVm.setId(t.getId());
            itemVm.setTitle(t.getTitle());
            TaskExamCustomerAnswer taskExamCustomerAnswer = taskExamCustomerAnswers.stream()
                    .filter(tc -> tc.getTaskExamId().equals(t.getId())).findFirst().orElse(null);
            List<TaskItemPaperVm> paperItemVMS = getTaskItemPaperVm(t.getFrameTextContentId(), taskExamCustomerAnswer);
            itemVm.setPaperItems(paperItemVMS);
            return itemVm;
        }).collect(Collectors.toList());
        return RestResponse.ok(vm);
    }
    private List<TaskItemPaperVm> getTaskItemPaperVm(Integer tFrameId, TaskExamCustomerAnswer taskExamCustomerAnswers) {
        TextContent textContent = textContentService.selectById(tFrameId);
        List<TaskItemObject> paperItems = JsonUtil.toJsonListObject(textContent.getContent(), TaskItemObject.class);
        List<TaskItemAnswerObject> answerPaperItems = null;
        if (null != taskExamCustomerAnswers) {
            TextContent answerTextContent = textContentService.selectById(taskExamCustomerAnswers.getTextContentId());
            answerPaperItems = JsonUtil.toJsonListObject(answerTextContent.getContent(), TaskItemAnswerObject.class);
        }
        List<TaskItemAnswerObject> finalAnswerPaperItems = answerPaperItems;
        return paperItems.stream().map(p -> {
                    TaskItemPaperVm ivm = new TaskItemPaperVm();
                    ivm.setExamPaperId(p.getExamPaperId());
                    ivm.setExamPaperName(p.getExamPaperName());
                    if (null != finalAnswerPaperItems) {
                        finalAnswerPaperItems.stream()
                                .filter(a -> a.getExamPaperId().equals(p.getExamPaperId()))
                                .findFirst()
                                .ifPresent(a -> {
                                    ivm.setExamPaperAnswerId(a.getExamPaperAnswerId());
                                    ivm.setStatus(a.getStatus());
                                });
                    }
                    return ivm;
                }
        ).collect(Collectors.toList());
    }
}

package com.zlf.exam.controller.student;
import com.github.pagehelper.PageInfo;
import com.zlf.exam.base.BaseApiController;
import com.zlf.exam.base.RestResponse;
import com.zlf.exam.domain.Message;
import com.zlf.exam.domain.MessageUser;
import com.zlf.exam.domain.User;
import com.zlf.exam.domain.UserEventLog;
import com.zlf.exam.domain.enums.RoleEnum;
import com.zlf.exam.domain.enums.UserStatusEnum;
import com.zlf.exam.event.UserEvent;
import com.zlf.exam.service.AuthenticationService;
import com.zlf.exam.service.MessageService;
import com.zlf.exam.service.UserEventLogService;
import com.zlf.exam.service.UserService;
import com.zlf.exam.utility.DateTimeUtil;
import com.zlf.exam.utility.PageInfoHelper;
import com.zlf.exam.viewmodel.student.user.*;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.web.bind.annotation.*;
import javax.validation.Valid;
import java.util.Date;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
@RestController("StudentUserController")
@RequestMapping(value = "/api/student/user")
public class UserController extends BaseApiController {
    private final UserService userService;
    private final UserEventLogService userEventLogService;
    private final MessageService messageService;
    private final AuthenticationService authenticationService;
    private final ApplicationEventPublisher eventPublisher;
    //后台登录代码
    @Autowired
    public UserController(UserService userService, UserEventLogService userEventLogService, MessageService messageService, AuthenticationService authenticationService, ApplicationEventPublisher eventPublisher) {
        this.userService = userService;
        this.userEventLogService = userEventLogService;
        this.messageService = messageService;
        this.authenticationService = authenticationService;
        this.eventPublisher = eventPublisher;
    }
    @RequestMapping(value = "/current", method = RequestMethod.POST)
    public RestResponse<UserResponseVM> current() {
        User user = getCurrentUser();
        UserResponseVM userVm = UserResponseVM.from(user);
        return RestResponse.ok(userVm);
    }
    //后台注册代码
    @RequestMapping(value = "/register", method = RequestMethod.POST)
    public RestResponse register(@RequestBody @Valid UserRegisterVM model) {
        User existUser = userService.getUserByUserName(model.getUserName());
        if (null != existUser) {
            return new RestResponse<>(2, "用户已存在");
        }
        User user = modelMapper.map(model, User.class);
        String encodePwd = authenticationService.pwdEncode(model.getPassword());
        user.setUserUuid(UUID.randomUUID().toString());
        user.setPassword(encodePwd);
        user.setRole(RoleEnum.STUDENT.getCode());
        user.setStatus(UserStatusEnum.Enable.getCode());
        user.setLastActiveTime(new Date());
        user.setCreateTime(new Date());
        user.setDeleted(false);
        userService.insertByFilter(user);
        UserEventLog userEventLog = new UserEventLog(user.getId(), user.getUserName(), user.getRealName(), new Date());
        userEventLog.setContent("欢迎 " + user.getUserName() + " 注册来到在线考试系统");
        eventPublisher.publishEvent(new UserEvent(userEventLog));
        return RestResponse.ok();
    }
    //后台个人信息更新代码
    @RequestMapping(value = "/update", method = RequestMethod.POST)
    public RestResponse update(@RequestBody @Valid UserUpdateVM model) {
        if (StringUtils.isBlank(model.getBirthDay())) {
            model.setBirthDay(null);
        }
        User user = userService.selectById(getCurrentUser().getId());
        modelMapper.map(model, user);
        user.setModifyTime(new Date());
        userService.updateByIdFilter(user);
        UserEventLog userEventLog = new UserEventLog(user.getId(), user.getUserName(), user.getRealName(), new Date());
        userEventLog.setContent(user.getUserName() + " 更新了个人资料");
        eventPublisher.publishEvent(new UserEvent(userEventLog));
        return RestResponse.ok();
    }
    @RequestMapping(value = "/log", method = RequestMethod.POST)
    public RestResponse<List<UserEventLogVM>> log() {
        User user = getCurrentUser();
        List<UserEventLog> userEventLogs = userEventLogService.getUserEventLogByUserId(user.getId());
        List<UserEventLogVM> userEventLogVMS = userEventLogs.stream().map(d -> {
            UserEventLogVM vm = modelMapper.map(d, UserEventLogVM.class);
            vm.setCreateTime(DateTimeUtil.dateFormat(d.getCreateTime()));
            return vm;
        }).collect(Collectors.toList());
        return RestResponse.ok(userEventLogVMS);
    }
    @RequestMapping(value = "/message/page", method = RequestMethod.POST)
    public RestResponse<PageInfo<MessageResponseVM>> messagePageList(@RequestBody MessageRequestVM messageRequestVM) {
        messageRequestVM.setReceiveUserId(getCurrentUser().getId());
        PageInfo<MessageUser> messageUserPageInfo = messageService.studentPage(messageRequestVM);
        List<Integer> ids = messageUserPageInfo.getList().stream().map(d -> d.getMessageId()).collect(Collectors.toList());
        List<Message> messages = ids.size() != 0 ? messageService.selectMessageByIds(ids) : null;
        PageInfo<MessageResponseVM> page = PageInfoHelper.copyMap(messageUserPageInfo, e -> {
            MessageResponseVM vm = modelMapper.map(e, MessageResponseVM.class);
            messages.stream().filter(d -> e.getMessageId().equals(d.getId())).findFirst().ifPresent(message -> {
                vm.setTitle(message.getTitle());
                vm.setContent(message.getContent());
                vm.setSendUserName(message.getSendUserName());
            });
            vm.setCreateTime(DateTimeUtil.dateFormat(e.getCreateTime()));
            return vm;
        });
        return RestResponse.ok(page);
    }
    @RequestMapping(value = "/message/unreadCount", method = RequestMethod.POST)
    public RestResponse unReadCount() {
        Integer count = messageService.unReadCount(getCurrentUser().getId());
        return RestResponse.ok(count);
    }
    @RequestMapping(value = "/message/read/{id}", method = RequestMethod.POST)
    public RestResponse read(@PathVariable Integer id) {
        messageService.read(id);
        return RestResponse.ok();
    }
}