第二次修改

backend/src/main/java/lsgwr/exam/controller/UserController.java

@@ -1,95 +1,10 @@
-/***********************************************************
- * @Description : 对外REST接口
- * @author      : 梁山广(Laing Shan Guang)
- * @date        : 2019-05-16 23:45
- * @email       : liangshanguang2@gmail.com
- ***********************************************************/
-package lsgwr.exam.controller;
-
-import lsgwr.exam.dto.RegisterDTO;
-import lsgwr.exam.entity.User;
-import lsgwr.exam.enums.ResultEnum;
-import lsgwr.exam.qo.LoginQo;
-import lsgwr.exam.service.UserService;
-import lsgwr.exam.vo.ResultVO;
-import lsgwr.exam.vo.UserInfoVo;
-import lsgwr.exam.vo.UserVo;
-import io.swagger.annotations.Api;
-import io.swagger.annotations.ApiOperation;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.*;
-
-import javax.servlet.http.HttpServletRequest;
-
-@RestController
-@Api(tags = "User APIs")
-@RequestMapping("/api/user")
-public class UserController {
-
-    @Autowired
-    private UserService userService;
-
-    @PostMapping("/register")
-    @ApiOperation("注册")
-    ResultVO<User> register(@RequestBody RegisterDTO registerDTO) {
-        ResultVO<User> resultVO;
-        // 注册信息的完善，还有唯一性校验没(用户名、邮箱和手机号)已经在user表中通过unique来设置了
-        User user = userService.register(registerDTO);
-        if (user != null) {
-            // 注册成功
-            resultVO = new ResultVO<>(ResultEnum.REGISTER_SUCCESS.getCode(), ResultEnum.REGISTER_SUCCESS.getMessage(), user);
-        } else {
-            resultVO = new ResultVO<>(ResultEnum.REGISTER_FAILED.getCode(), ResultEnum.REGISTER_FAILED.getMessage(), null);
-        }
-        return resultVO;
-    }
-
-    @PostMapping("/login")
-    @ApiOperation("根据用户名或邮箱登录,登录成功返回token")
-    ResultVO<String> login(@RequestBody LoginQo loginQo) { // 这里不用手机号是因为手机号和用户名难以进行格式区分，而用户名和
-        // 用户登录
-        ResultVO<String> resultVO;
-        String token = userService.login(loginQo);
-        if (token != null) {
-            // 登录成功
-            resultVO = new ResultVO<>(ResultEnum.LOGIN_SUCCESS.getCode(), ResultEnum.LOGIN_SUCCESS.getMessage(), token);
-        } else {
-            // 登录失败
-            resultVO = new ResultVO<>(ResultEnum.LOGIN_FAILED.getCode(), ResultEnum.LOGIN_FAILED.getMessage(), null);
-        }
-        return resultVO;
-    }
-
-    @GetMapping("/user-info")
-    @ApiOperation("获取用户信息")
-    ResultVO<UserVo> getUserInfo(HttpServletRequest request) {
-        String userId = (String) request.getAttribute("user_id");
-        UserVo userVo = userService.getUserInfo(userId);
-        return new ResultVO<>(ResultEnum.GET_INFO_SUCCESS.getCode(), ResultEnum.GET_INFO_SUCCESS.getMessage(), userVo);
-    }
-
-    @GetMapping("/info")
-    @ApiOperation("获取用户的详细信息，包括个人信息页面和操作权限")
-    // 获取用户信息的接口
-ResultVO<UserInfoVo> getInfo(HttpServletRequest request) {
-        // 打印进入接口的日志
-        System.out.println("进入/user/info的获取用户信息的接口");
-        // 获取用户ID
-        String userId = (String) request.getAttribute("user_id");
-        // 调用userService获取用户信息
-        UserInfoVo userInfoVo = userService.getInfo(userId);
-        // 返回结果
-        return new ResultVO<>(ResultEnum.GET_INFO_SUCCESS.getCode(), ResultEnum.GET_INFO_SUCCESS.getMessage(), userInfoVo);
-    }
-
-    @GetMapping("/test")
-    @ApiOperation("测试接口")
-    String test(HttpServletRequest request) {
-        // 下面这两个属性都是登录拦截器从token中解析地，当用户名不对或者token过期时是走不到接口内的
-        String userId = (String) request.getAttribute("user_id");
-        String username = (String) request.getAttribute("username");
-        System.out.println("用户id：" + userId);
-        System.out.println("用户名：" + username);
-        return "用户id：" + userId + "\n用户名：" + username;
+// 使用Spring Boot框架
+@SpringBootApplication
+public class ExamApplication {
+
+    // 主方法
+    public static void main(String[] args) {
+        // 运行Spring Boot应用程序
+        SpringApplication.run(ExamApplication.class, args);
     }
 }

backend/src/main/java/lsgwr/exam/service/impl/ExamServiceImpl.java

@@ -23,22 +23,31 @@ import java.util.*;
 @Transactional
 public class ExamServiceImpl implements ExamService {
 
+    // 定义一个ExamRepository类型的私有变量
     private final ExamRepository examRepository;
 
+    // 定义一个ExamRecordRepository类型的私有变量
     private final ExamRecordRepository examRecordRepository;
 
+    // 定义一个QuestionRepository类型的私有变量
     private final QuestionRepository questionRepository;
 
+    // 定义一个UserRepository类型的私有变量
     private final UserRepository userRepository;
 
+    // 定义一个QuestionLevelRepository类型的私有变量
     private final QuestionLevelRepository questionLevelRepository;
 
+    // 定义一个QuestionTypeRepository类型的私有变量
     private final QuestionTypeRepository questionTypeRepository;
 
+    // 定义一个QuestionCategoryRepository类型的私有变量
     private final QuestionCategoryRepository questionCategoryRepository;
 
+    // 定义一个QuestionOptionRepository类型的私有变量
     private final QuestionOptionRepository questionOptionRepository;
 
+    // 构造函数，传入多个Repository类型的参数
     public ExamServiceImpl(QuestionRepository questionRepository, UserRepository userRepository, QuestionLevelRepository questionLevelRepository, QuestionTypeRepository questionTypeRepository, QuestionCategoryRepository questionCategoryRepository, QuestionOptionRepository questionOptionRepository, ExamRepository examRepository, ExamRecordRepository examRecordRepository) {
         this.questionRepository = questionRepository;
         this.userRepository = userRepository;
@@ -67,7 +76,9 @@ public class ExamServiceImpl implements ExamService {
         return questionVoList;
     }
 
+    // 根据传入的Question对象，返回一个QuestionVo对象
     private QuestionVo getQuestionVo(Question question) {
+        // 创建一个新的QuestionVo对象
         QuestionVo questionVo = new QuestionVo();
         // 先复制能复制的属性
         BeanUtils.copyProperties(question, questionVo);