+ * 前端控制器 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@RestController +@RequestMapping("/student") +@Slf4j +public class StudentController { + + @Autowired + IStudentService studentService; + + @PutMapping("/score") + public Result modifyScore(Long id, Double score) { + return Result.success(studentService.updateById(new Student(id, + null, null, null, studentService.getById(id).getScore() + score, null))); + } + + @GetMapping("/roll-call") + public Result rollCall(String mode) { + return studentService.rollCall(mode); + } + + @GetMapping("/search") + public Result search(String no, String name, Integer pageNo, Integer pageSize) { + return studentService.search(no, name, pageNo, pageSize); + } + + @PostMapping("/import") + public Result importExcel(@RequestParam("file") MultipartFile file) { + // 如果 validateExcelHeader 返回 false，则文件类型或格式错误 + if (!validateExcelHeader(file)) { + return Result.error("文件类型或格式错误"); + } + return studentService.importExcel(file); + } + + private boolean validateExcelHeader(MultipartFile file) { + // 检查文件类型 + String fileName = file.getOriginalFilename(); + if (fileName == null || !(fileName.endsWith(".xls") || fileName.endsWith(".xlsx"))) { + return false; // 文件扩展名不正确 + } + // 使用 EasyExcel 检查文件内容 + // 自定义监听器用于验证标题 + ReadListener+ * 前端控制器 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@RestController +@RequestMapping("/user") +public class TeacherController { + + @Autowired + ITeacherService teacherService; + + @PostMapping("/login") + public Result login(@RequestBody LoginReq loginReq){ + return teacherService.login(loginReq); + } + + @PostMapping("/register") + public Result register(@RequestBody Teacher teacher){ + return teacherService.register(teacher); + } + +} diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/dto/req/LoginReq.java b/backend/src/main/java/com/flyingpig/kclassrollcall/dto/req/LoginReq.java new file mode 100644 index 0000000..5d18bf5 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/dto/req/LoginReq.java @@ -0,0 +1,13 @@ +package com.flyingpig.kclassrollcall.dto.req; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class LoginReq { + private String username; + private String password; +} diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/dto/req/StudentExcelModel.java b/backend/src/main/java/com/flyingpig/kclassrollcall/dto/req/StudentExcelModel.java new file mode 100644 index 0000000..856c8f1 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/dto/req/StudentExcelModel.java @@ -0,0 +1,14 @@ +package com.flyingpig.kclassrollcall.dto.req; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class StudentExcelModel { + private String no; // 学号 + private String name; // 姓名 + private String major; // 专业 +} diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/dto/resp/LoginResp.java b/backend/src/main/java/com/flyingpig/kclassrollcall/dto/resp/LoginResp.java new file mode 100644 index 0000000..689c8d6 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/dto/resp/LoginResp.java @@ -0,0 +1,13 @@ +package com.flyingpig.kclassrollcall.dto.resp; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +@Data +@NoArgsConstructor +@AllArgsConstructor +public class LoginResp { + private String name; + private String token; +} diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/entity/Student.java b/backend/src/main/java/com/flyingpig/kclassrollcall/entity/Student.java new file mode 100644 index 0000000..99396f9 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/entity/Student.java @@ -0,0 +1,48 @@ +package com.flyingpig.kclassrollcall.entity; + +import java.math.BigDecimal; +import com.baomidou.mybatisplus.annotation.TableName; +import com.baomidou.mybatisplus.annotation.IdType; +import com.baomidou.mybatisplus.annotation.TableId; +import java.io.Serializable; +import io.swagger.annotations.ApiModel; +import io.swagger.annotations.ApiModelProperty; +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.EqualsAndHashCode; +import lombok.NoArgsConstructor; +import lombok.experimental.Accessors; + +/** + *+ * + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@Data +@EqualsAndHashCode(callSuper = false) +@Accessors(chain = true) +@TableName("student") +@ApiModel(value="Student对象", description="") +@NoArgsConstructor +@AllArgsConstructor +public class Student implements Serializable { + + private static final long serialVersionUID = 1L; + + @TableId(value = "id", type = IdType.ASSIGN_ID) + private Long id; + + private String name; + + private Integer no; + + private String major; + + private Double score; + + private Long teacherId; + +} diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/entity/Teacher.java b/backend/src/main/java/com/flyingpig/kclassrollcall/entity/Teacher.java new file mode 100644 index 0000000..2d3ea15 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/entity/Teacher.java @@ -0,0 +1,40 @@ +package com.flyingpig.kclassrollcall.entity; + +import com.baomidou.mybatisplus.annotation.TableName; +import com.baomidou.mybatisplus.annotation.IdType; +import com.baomidou.mybatisplus.annotation.TableId; +import java.io.Serializable; +import io.swagger.annotations.ApiModel; +import io.swagger.annotations.ApiModelProperty; +import lombok.Data; +import lombok.EqualsAndHashCode; +import lombok.experimental.Accessors; + +/** + *+ * + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@Data +@EqualsAndHashCode(callSuper = false) +@Accessors(chain = true) +@TableName("teacher") +@ApiModel(value="Teacher对象", description="") +public class Teacher implements Serializable { + + private static final long serialVersionUID = 1L; + + @TableId(value = "id", type = IdType.ASSIGN_ID) + private Long id; + + private String name; + + private String username; + + private String password; + + +} diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/exception/GlobalExceptionHandler.java b/backend/src/main/java/com/flyingpig/kclassrollcall/exception/GlobalExceptionHandler.java new file mode 100644 index 0000000..a441b8a --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/exception/GlobalExceptionHandler.java @@ -0,0 +1,65 @@ +package com.flyingpig.kclassrollcall.exception; + + +import com.flyingpig.kclassrollcall.common.Result; +import com.flyingpig.kclassrollcall.common.StatusCode; +import lombok.extern.slf4j.Slf4j; +import org.springframework.data.redis.RedisConnectionFailureException; +import org.springframework.web.HttpRequestMethodNotSupportedException; +import org.springframework.web.bind.MissingServletRequestParameterException; +import org.springframework.web.bind.annotation.ExceptionHandler; +import org.springframework.web.bind.annotation.RestControllerAdvice; +import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException; + +import java.net.BindException; + +//全局异常处理器 +@RestControllerAdvice +@Slf4j +public class GlobalExceptionHandler { + + /** + * 请求参数异常/缺少--400 + * + * @param e + * @return + */ + @ExceptionHandler({ + MissingServletRequestParameterException.class, + MethodArgumentTypeMismatchException.class, + BindException.class} + ) + public Result missingServletRequestParameterException(Exception e) { + return Result.error(StatusCode.PARAMETERERROR, "缺少参数或参数错误"); + } + + /** + * 请求方法错误--405 + * @param e + * @return + */ + @ExceptionHandler(HttpRequestMethodNotSupportedException.class) + public Result httpRequestMethodNotSupportedExceptionHandler(Exception e){ + log.error("请求方法错误"); + return Result.error(StatusCode.METHODERROR,"请求方法错误"); + } + + /** + * Redis没连接上--500 + */ + @ExceptionHandler(RedisConnectionFailureException.class) + public Result edisConnectionFailureExceptionHandler(RedisConnectionFailureException e) { + log.error("redis连接错误啦啦啦啦啦啦"); + return Result.error(StatusCode.SERVERERROR,"redis连接错误啦啦啦啦啦啦"); + } + + + /** + * 其他异常--500 + */ + @ExceptionHandler(Exception.class) + public Result exceptionHandler(Exception e) { + e.printStackTrace(); + return Result.error(StatusCode.SERVERERROR,"对不起，操作失败，请联系管理员"); + } +} \ No newline at end of file diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/filter/AuthInterceptor.java b/backend/src/main/java/com/flyingpig/kclassrollcall/filter/AuthInterceptor.java new file mode 100644 index 0000000..da820f8 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/filter/AuthInterceptor.java @@ -0,0 +1,41 @@ +package com.flyingpig.kclassrollcall.filter; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import com.baomidou.mybatisplus.core.toolkit.StringUtils; +import com.flyingpig.kclassrollcall.util.JwtUtil; +import io.jsonwebtoken.Claims; +import org.springframework.stereotype.Component; +import org.springframework.web.servlet.HandlerInterceptor; + +@Component +public class AuthInterceptor implements HandlerInterceptor { + + // 在控制器方法执行之前调用 + @Override + public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { + String tokenStr = request.getHeader("Authorization"); + + // 不为空 + if (StringUtils.isBlank(tokenStr)) { + return false; + } + try { + // 判断是否是有效的token,如果是则存储到UserContext + UserContext.setUser(JwtUtil.parseJwt(tokenStr).getSubject()); + System.out.println(UserContext.getUser()); + } catch (Exception exception) { + exception.printStackTrace(); + return false; + } + return true; // 返回 true 继续处理请求，false 则中断请求 + } + + // 在控制器方法调用之后执行，但在视图渲染之前调用 + @Override + public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, org.springframework.web.servlet.ModelAndView modelAndView) throws Exception { + UserContext.removeUser(); + } +} + diff --git a/backend/src/main/java/com/flyingpig/kclassrollcall/filter/UserContext.java b/backend/src/main/java/com/flyingpig/kclassrollcall/filter/UserContext.java new file mode 100644 index 0000000..1d63133 --- /dev/null +++ b/backend/src/main/java/com/flyingpig/kclassrollcall/filter/UserContext.java @@ -0,0 +1,19 @@ +package com.flyingpig.kclassrollcall.filter; + +public class UserContext { + private static final ThreadLocal+ * Mapper 接口 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@Mapper +public interface StudentMapper extends BaseMapper+ * Mapper 接口 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@Mapper +public interface TeacherMapper extends BaseMapper+ * 服务类 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +public interface IStudentService extends IService+ * 服务类 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +public interface ITeacherService extends IService+ * 服务实现类 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@Service +public class StudentServiceImpl extends ServiceImpl+ * 服务实现类 + *
+ * + * @author flyingpig + * @since 2024-09-25 + */ +@Service +public class TeacherServiceImpl extends ServiceImplwO$SF{it~d^x#1D4rNc-dqk<`|z!<;t5CH?7|(EA!7=a!uK(Bg