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calltherole
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2 Commits
main ... backend

Author SHA1 Message Date
poppoppuppylove 4240c272a5 feat:最终回
1 month ago
poppoppuppylove 6ccc9f01f8 feat:沟通参数，进行修改
1 month ago
56 changed files with 1628 additions and 445 deletions
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34
BACKEND_ATTENDANCE/class.puml
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@startuml
' 定义实体类
class Student {
+Long id
+String studentNumber
+String name
+BigDecimal points
}
class Teacher {
+Long id
+String username
+String password
}
class RollCallSettings {
+String rollCallMode
+String triggerRandomEvent
+String wheelOfFortune
}
class RollCallResponse {
+String studentId
+String name
+BigDecimal points
+String message
}
class PointsRequest {
+BigDecimal pointsDelta
}
@enduml

170
BACKEND_ATTENDANCE/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.3.3</version>
<relativePath/>
</parent>
<groupId>com.example</groupId>
<artifactId>attendance</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>attendance</name>
<description>attendance</description>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<!-- Spring Boot Starter Web -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>3.3.3</version>
</dependency>
<!-- MyBatis Starter -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>3.0.3</version>
</dependency>
<!-- Spring Boot DevTools -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<!-- MySQL Connector -->
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<version>8.0.33</version>
</dependency>
<!-- Lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!-- Spring Boot Starter Test -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- MyBatis Starter Test -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter-test</artifactId>
<version>3.0.3</version>
<scope>test</scope>
</dependency>
<!-- EasyExcel -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>easyexcel</artifactId>
<version>3.0.5</version>
</dependency>
<!-- Spring Security for password encryption -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!-- JWT Library -->
<!-- JWT Library -->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-api</artifactId>
<version>0.11.5</version>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-impl</artifactId>
<version>0.11.5</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt-jackson</artifactId>
<version>0.11.5</version>
<scope>runtime</scope>
</dependency>
<!-- BCrypt for password hashing -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-crypto</artifactId>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>9.0.75</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.15.0</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>10.1.28</version>
</dependency>
</dependencies>
<build>
<plugins>
<!-- Compiler Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<release>17</release> <!-- 设置 release 参数来简化配置 -->
</configuration>
</plugin>
<!-- Spring Boot Maven Plugin -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
<!-- Spring Boot Maven Plugin -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>3.3.3</version>
</plugin>
</plugins>
</build>
</project>

13
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/AttendanceApplication.java
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package com.example.attendance;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class AttendanceApplication {
public static void main(String[] args) {
SpringApplication.run(AttendanceApplication.class, args);
}
}

72
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/config/SecurityConfig.java
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package com.example.attendance.config;
//import com.example.attendance.filter.JwtAuthenticationFilter;
import com.example.attendance.filter.JwtAuthenticationFilter;
import com.example.attendance.service.TeacherService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;
import org.springframework.http.HttpMethod;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import java.util.Arrays;
@Configuration
@EnableWebSecurity
public class SecurityConfig {
private final TeacherService teacherService; // 使用构造函数注入
@Autowired
public SecurityConfig(@Lazy TeacherService teacherService) { // 添加 @Lazy 注解
this.teacherService = teacherService;
}
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
@Bean
public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
http
.csrf(csrf -> csrf.disable())
.cors(cors -> cors.configurationSource(corsConfigurationSource()))
.authorizeHttpRequests(authz -> authz
.requestMatchers(HttpMethod.POST, "/api/teacher/login", "/api/teacher/register").permitAll()
.requestMatchers(HttpMethod.OPTIONS, "/**").permitAll()
.anyRequest().authenticated()
)
.addFilterBefore(jwtAuthenticationFilter(), UsernamePasswordAuthenticationFilter.class)
.sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
.formLogin(form -> form.disable())
.httpBasic(httpBasic -> httpBasic.disable());
return http.build();
}
@Bean
public JwtAuthenticationFilter jwtAuthenticationFilter() {
return new JwtAuthenticationFilter(teacherService);
}
@Bean
public CorsConfigurationSource corsConfigurationSource() {
CorsConfiguration configuration = new CorsConfiguration();
configuration.setAllowedOrigins(Arrays.asList("*")); // 允许所有来源
configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS"));
configuration.setAllowedHeaders(Arrays.asList("*"));
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
source.registerCorsConfiguration("/**", configuration);
return source;
}
}

25
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/controller/RollCallController.java
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package com.example.attendance.controller;
import com.example.attendance.entity.RollCallResponse;
import com.example.attendance.entity.RollCallSettings;
import com.example.attendance.service.RollCallService;
import com.example.attendance.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
@RestController
@RequestMapping("/api/rollcall")
public class RollCallController {
@Autowired
private StudentService studentService;
@Autowired
private RollCallService rollCallService;
@PostMapping("/start")
public RollCallResponse startRollCall(@RequestBody RollCallSettings settings) {
// 从数据库获取学生列表
var students = studentService.findAll();
return rollCallService.startRollCall(students, settings);
}
}

159
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/controller/StudentController.java
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package com.example.attendance.controller;
import com.example.attendance.entity.PointsRequest;
import com.example.attendance.entity.Student;
import com.example.attendance.service.StudentService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
@RestController
@RequestMapping("/api/students")
public class StudentController {
private static final Logger logger = LoggerFactory.getLogger(StudentController.class);
@Autowired
private StudentService studentService;
//根据id获取学生信息
@GetMapping("/{id}")
public ResponseEntity<Student> getStudentById(@PathVariable Long id) {
Student student = studentService.findById(id);
return ResponseEntity.ok(student);
}
//根据学生编号获取学生信息
@GetMapping("/studentNumber/{studentNumber}")
public ResponseEntity<Student> getStudentByStudentNumber(@PathVariable String studentNumber) {
Student student = studentService.findByStudentNumber(studentNumber);
return ResponseEntity.ok(student);
}
//获取所有学生信息
@GetMapping
public ResponseEntity<List<Student>> getAllStudents() {
List<Student> students = studentService.findAll();
return ResponseEntity.ok(students);
}
/**
* 获取所有学生的姓名
* @return 学生姓名的字符串数组
*/
@GetMapping("/names")
public ResponseEntity<String[]> getAllStudentNames() {
String[] studentNames = studentService.getAllStudentNames();
return ResponseEntity.ok(studentNames);
}
//添加学生信息
@PostMapping
public ResponseEntity<String> addStudent(@RequestBody Student student) {
studentService.save(student);
return ResponseEntity.ok("Student added successfully");
}
//更新学生信息
@PutMapping("/{studentNumber}")
public ResponseEntity<String> updateStudent(@PathVariable String studentNumber, @RequestBody Student student) {
student.setStudentNumber(studentNumber);
studentService.update(student);
return ResponseEntity.ok("Student updated successfully");
}
//删除学生信息
@DeleteMapping("/{id}")
public ResponseEntity<String> deleteStudent(@PathVariable Long id) {
studentService.delete(id);
return ResponseEntity.ok("Student deleted successfully");
}
/**
* 获取学生积分排行榜，按积分从高到低排序
* @return 排行榜学生列表
*/
@GetMapping("/ranking")
public ResponseEntity<List<Student>> getStudentRanking() {
List<Student> ranking = studentService.getStudentRanking();
return ResponseEntity.ok(ranking);
}
/**
* 调整学生积分
* @param studentNumber 学生编号
* @param pointsRequest 包含积分调整值的请求
* @return 成功或失败消息
*/
@PutMapping("/{studentNumber}/adjustPoints")
public ResponseEntity<String> adjustStudentPoints(
@PathVariable String studentNumber,
@RequestBody PointsRequest pointsRequest) {
try {
logger.info("调整的积分: {}", pointsRequest.getPointsDelta());
studentService.adjustPoints(studentNumber, pointsRequest.getPointsDelta());
return ResponseEntity.ok("积分调整成功");
} catch (Exception e) {
logger.error("积分调整失败: ", e);
return ResponseEntity.status(500).body("积分调整失败：" + e.getMessage());
}
}
/**
* 上传Excel文件并导入学生数据
* @param file Excel文件
* @return 导入结果
*/
@PostMapping("/import")
public String importStudents(@RequestParam("file") MultipartFile file) {
if (file.isEmpty()) {
return "请上传有效的Excel文件";
}
try {
studentService.importStudents(file);
return "学生数据导入成功";
} catch (Exception e) {
return "学生数据导入失败：" + e.getMessage();
}
}
/* 导出并清理学生数据 */
@GetMapping("/export-students")
public ResponseEntity<byte[]> exportStudents() throws IOException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
studentService.exportStudents(outputStream); // 导出并清理学生数据
// 设置 HTTP 头信息
HttpHeaders headers = new HttpHeaders();
headers.setContentDispositionFormData("attachment", "students.xlsx");
headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
// 返回 Excel 文件内容作为响应
return ResponseEntity
.ok()
.headers(headers)
.body(outputStream.toByteArray());
} catch (Exception e) {
return ResponseEntity.badRequest().body(null);
} finally {
outputStream.close();
}
}
/**
* 获取Excel模板下载链接
* @return 包含下载链接的响应
*/
@GetMapping("/download-template")
public ResponseEntity<String> getTemplateDownloadLink() {
// 返回百度网盘的模板下载链接
String downloadLink = "https://pan.baidu.com/s/1NUukdPo4qUVbM4V9MWTx2g?pwd=1234";
return ResponseEntity.ok(downloadLink);
}
}

91
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/controller/TeacherController.java
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package com.example.attendance.controller;
import com.example.attendance.entity.Teacher;
import com.example.attendance.service.TeacherService;
import com.example.attendance.util.JWTUtil;
import io.jsonwebtoken.Claims;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.Map;
@RestController
@RequestMapping("/api/teacher")
public class TeacherController {
@Autowired
private TeacherService teacherService;
// 注册接口
@PostMapping("/register")
public ResponseEntity<?> register(@RequestParam String username, @RequestParam String password) {
try {
teacherService.register(username, password);
return ResponseEntity.ok(Map.of(
"code", 200,
"message", "注册成功",
"data", Map.of("username", username)
));
} catch (Exception e) {
return ResponseEntity.badRequest().body(Map.of(
"code", 400,
"message", "注册失败",
"error", e.getMessage()
));
}
}
// 登录接口
@PostMapping("/login")
public ResponseEntity<?> login(@RequestParam String username, @RequestParam String password) {
try {
String token = teacherService.login(username, password);
return ResponseEntity.ok(Map.of(
"message", "登录成功",
"token", token
));
} catch (Exception e) {
return ResponseEntity.badRequest().body(Map.of(
"message", "登录失败: " + e.getMessage()
));
}
}
// 获取当前用户信息接口
@GetMapping("/current")
public ResponseEntity<?> getCurrentUser(@RequestHeader("Authorization") String token) {
try {
String username = JWTUtil.getUsernameFromToken(token.replace("Bearer ", ""));
Teacher teacher = teacherService.findByUsername(username);
if (teacher != null) {
return ResponseEntity.ok(Map.of(
"code", 200,
"message", "获取用户信息成功",
"data", Map.of("username", teacher.getUsername())
));
} else {
return ResponseEntity.badRequest().body(Map.of(
"code", 400,
"message", "用户不存在"
));
}
} catch (Exception e) {
return ResponseEntity.badRequest().body(Map.of(
"code", 400,
"message", "获取用户信息失败",
"error", e.getMessage()
));
}
}
@PostMapping("/logout")
public ResponseEntity<?> logout(@RequestHeader("Authorization") String token) {
String processedToken = token.replace("Bearer ", "");
Claims claims = JWTUtil.extractClaims(processedToken);
return ResponseEntity.ok(Map.of(
"code", 200,
"message", "退出登录成功"
));
}
}

16
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/entity/PointsRequest.java
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package com.example.attendance.entity;
import java.math.BigDecimal;
public class PointsRequest {
private BigDecimal pointsDelta;
public BigDecimal getPointsDelta() {
return pointsDelta;
}
public void setPointsDelta(BigDecimal pointsDelta) {
this.pointsDelta = pointsDelta;
}
}

18
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/entity/RollCallResponse.java
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package com.example.attendance.entity;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.math.BigDecimal;
@NoArgsConstructor
@AllArgsConstructor
@Data
public class RollCallResponse {
private String studentId;
private String name;
private BigDecimal points;
private String message; // 显示结果信息
}

15
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/entity/RollCallSettings.java
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package com.example.attendance.entity;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@NoArgsConstructor
@AllArgsConstructor
@Data
public class RollCallSettings {
private String rollCallMode; // 点名("点名")或提问("提问")
private String triggerRandomEvent; // 触发("触发")或不触发("不触发")随机事件
private String wheelOfFortune; // 开启("是")或关闭("否")命运轮盘
}

17
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/entity/Student.java
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package com.example.attendance.entity;
import java.math.BigDecimal;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@NoArgsConstructor
@AllArgsConstructor
@Data
public class Student {
private Long id;
private String studentNumber; // 学号
private String name; // 姓名
private BigDecimal points; // 积分
}

15
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/entity/Teacher.java
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package com.example.attendance.entity;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@NoArgsConstructor
@AllArgsConstructor
@Data
public class Teacher {
private Long id;
private String username;
private String password;
}

52
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/filter/JwtAuthenticationFilter.java
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package com.example.attendance.filter;
import com.example.attendance.service.TeacherService;
import com.example.attendance.util.JWTUtil;
import com.example.attendance.entity.Teacher;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.web.filter.OncePerRequestFilter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
public class JwtAuthenticationFilter extends OncePerRequestFilter {
private final TeacherService teacherService;
public JwtAuthenticationFilter(TeacherService teacherService) {
this.teacherService = teacherService;
}
@Override
protected void doFilterInternal(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response, jakarta.servlet.FilterChain filterChain) throws jakarta.servlet.ServletException, IOException {
String authHeader = request.getHeader("Authorization");
if (authHeader != null && authHeader.startsWith("Bearer ")) {
String token = authHeader.substring(7);
try {
String username = JWTUtil.getUsernameFromToken(token);
if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {
Teacher teacher = teacherService.findByUsername(username);
if (teacher != null && !JWTUtil.isTokenExpired(token)) {
UserDetails userDetails = new org.springframework.security.core.userdetails.User(
teacher.getUsername(), teacher.getPassword(), new ArrayList<>());
UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
userDetails, null, userDetails.getAuthorities());
SecurityContextHolder.getContext().setAuthentication(authentication);
}
}
} catch (Exception e) {
logger.error("无法设置用户认证: {}", e);
}
}
filterChain.doFilter(request, response);
}
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/mapper/StudentMapper.java
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package com.example.attendance.mapper;
import com.example.attendance.entity.Student;
import org.apache.ibatis.annotations.*;
import java.math.BigDecimal;
import java.util.List;
@Mapper
public interface StudentMapper {
@Select("SELECT * FROM students WHERE id = #{id}")
Student findById(Long id);
@Select("SELECT * FROM students WHERE student_number = #{studentNumber}")
@Results({
@Result(property = "id", column = "id"),
@Result(property = "studentNumber", column = "student_number"), // 确保映射
@Result(property = "name", column = "name"),
@Result(property = "points", column = "points")
})
Student findByStudentNumber(String studentNumber);
@Select("SELECT id, student_number, name, points FROM students")
@Results({
@Result(property = "id", column = "id"),
@Result(property = "studentNumber", column = "student_number"),
@Result(property = "name", column = "name"),
@Result(property = "points", column = "points")
})
List<Student> findAll();
@Insert("INSERT INTO students (student_number, name, points) VALUES (#{studentNumber}, #{name}, #{points})")
@Options(useGeneratedKeys = true, keyProperty = "id")
void save(Student student);
@Update("UPDATE students SET name = #{name}, points = #{points} WHERE student_number = #{studentNumber}")
@Results({
@Result(property = "id", column = "id"),
@Result(property = "studentNumber", column = "student_number"), // 确保映射
@Result(property = "name", column = "name"),
@Result(property = "points", column = "points")
})
void update(Student student);
@Delete("DELETE FROM students WHERE id = #{id}")
void delete(Long id);
@Insert({
"<script>",
"INSERT INTO students (student_number, name, points) VALUES ",
"<foreach collection='students' item='student' separator=','>",
"(#{student.studentNumber}, #{student.name}, #{student.points})",
"</foreach>",
"</script>"
})
void saveStudents(List<Student> students);
@Select("SELECT * FROM students ORDER BY points DESC")
@Results({
@Result(property = "id", column = "id"),
@Result(property = "studentNumber", column = "student_number"), // 确保映射
@Result(property = "name", column = "name"),
@Result(property = "points", column = "points")
})
List<Student> findAllStudentsByRanking();
/**
* 查询所有学生的姓名
* @return 学生姓名的字符串数组
*/
@Select("SELECT name FROM students")
String[] findAllStudentNames();
// 删除所有学生数据
@Delete("DELETE FROM students")
void deleteAllStudents();
}

15
BACKEND_ATTENDANCE/src/main/java/com/example/attendance/mapper/TeacherMapper.java
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package com.example.attendance.mapper;
import com.example.attendance.entity.Teacher;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@Mapper
public interface TeacherMapper {
@Insert("INSERT INTO teacher (username, password) VALUES (#{username}, #{password})")
void save(Teacher teacher);
@Select("SELECT * FROM teacher WHERE username = #{username}")
Teacher findByUsername(String username);
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/service/RollCallService.java
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package com.example.attendance.service;
import com.example.attendance.entity.RollCallResponse;
import com.example.attendance.entity.RollCallSettings;
import com.example.attendance.entity.Student;
import java.util.List;
public interface RollCallService {
RollCallResponse startRollCall(List<Student> students, RollCallSettings settings); // 处理点名逻辑
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/service/StudentService.java
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package com.example.attendance.service;
import com.example.attendance.entity.Student;
import org.springframework.web.multipart.MultipartFile;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.util.List;
public interface StudentService {
void importStudents(MultipartFile file) throws Exception ;
void exportStudents(OutputStream outputStream) throws Exception;
void adjustPoints(String studentNumber, BigDecimal pointsDelta);
List<Student> getStudentRanking();
Student findById(Long id);
Student findByStudentNumber(String studentNumber);
List<Student> findAll();
void save(Student student);
void update(Student student);
void delete(Long id);
String[] getAllStudentNames();
void deleteAllStudents();
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/service/TeacherService.java
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package com.example.attendance.service;
import com.example.attendance.entity.Teacher;
public interface TeacherService {
/**
* 注册新教师
*
* @param username 教师的用户名
* @param password 教师的密码
* @throws Exception 注册过程中可能抛出的异常
*/
void register(String username, String password) throws Exception;
/**
* 教师登录
*
* @param username 教师的用户名
* @param password 教师的密码
* @return 返回 JWT token
* @throws Exception 登录失败时抛出的异常
*/
String login(String username, String password) throws Exception;
Teacher findByUsername(String username);
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/service/impl/RollCallServiceImpl.java
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package com.example.attendance.service.impl;
import com.example.attendance.entity.RollCallResponse;
import com.example.attendance.entity.RollCallSettings;
import com.example.attendance.entity.Student;
import com.example.attendance.service.RollCallService;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Random;
@Service
public class RollCallServiceImpl implements RollCallService {
@Override
public RollCallResponse startRollCall(List<Student> students, RollCallSettings settings) {
// 1. 根据设定选择点名或提问模式
String mode = "点名".equals(settings.getRollCallMode()) ? "点名" : "提问";
System.out.println("当前模式：" + mode);
// 2. 处理命运轮盘 (所有人概率相等)
if ("是".equals(settings.getWheelOfFortune())) {
return handleWheelOfFortune(students);
}
// 3. 正常点名逻辑，使用权重随机选择学生
Student selectedStudent = selectWeightedRandomStudent(students);
RollCallResponse response = new RollCallResponse();
response.setStudentId(selectedStudent.getStudentNumber());
response.setName(selectedStudent.getName());
response.setPoints(selectedStudent.getPoints());
// 4. 判断是否触发随机事件
if ("触发".equals(settings.getTriggerRandomEvent())) {
response.setMessage("触发了随机事件: " + triggerRandomEvent());
} else {
response.setMessage("没有触发随机事件，" + selectedStudent.getName() + " 被点了！");
}
return response;
}
// 权重随机选择学生，积分越高概率越低
private Student selectWeightedRandomStudent(List<Student> students) {
Random random = new Random();
int totalWeight = 0;
// 计算所有学生的总权重，假设权重为 100 - currentPoints
for (Student student : students) {
int weight = 100 - student.getPoints().intValue();
if (weight < 1) {
weight = 1; // 确保权重最低为1
}
totalWeight += weight; // 累计总权重
}
// 如果 totalWeight 为 0 或负数，则无法进行随机选择
if (totalWeight <= 0) {
throw new IllegalArgumentException("总权重必须为正数");
}
// 随机生成一个 0 到 totalWeight 之间的随机数
int randomIndex = random.nextInt(totalWeight);
int currentWeightSum = 0;
// 遍历学生列表，根据累计权重确定选中的学生
for (Student student : students) {
int weight = 100 - student.getPoints().intValue();
if (weight < 1) {
weight = 1;
}
currentWeightSum += weight;
// 当累计权重超过随机数时，选择当前学生
if (currentWeightSum > randomIndex) {
return student;
}
}
// 如果没有选中任何学生，兜底返回第一个学生（理论上不会发生）
return students.get(0);
}
// 命运轮盘处理（所有学生概率相等）
private RollCallResponse handleWheelOfFortune(List<Student> students) {
Random random = new Random();
Student selectedStudent = students.get(random.nextInt(students.size()));
RollCallResponse response = new RollCallResponse();
response.setStudentId(selectedStudent.getStudentNumber());
response.setName(selectedStudent.getName());
response.setPoints(selectedStudent.getPoints());
response.setMessage("命运轮盘： " + selectedStudent.getName() + " 被选中了！");
return response;
}
// 触发随机事件：赌徒事件或倒霉事件
private String triggerRandomEvent() {
Random random = new Random();
int eventType = random.nextInt(2); // 0表示赌徒事件，1表示倒霉事件
if (eventType == 0) {
return "赌徒事件--学生可以在回答问题前下注一定数量的积分，如果回答正确，则按赌注倍数获得积分；如果错误，则失去赌注积分"; // 触发赌徒事件
} else {
return "倒霉事件--左手边第3位同学替该同学回答问题，加减分命运交到别人手中"; // 触发倒霉事件
}
}
}

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package com.example.attendance.service.impl;
import com.example.attendance.entity.Student;
import com.example.attendance.mapper.StudentMapper;
import com.example.attendance.service.StudentService;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
@Service
public class StudentServiceImpl implements StudentService {
@Autowired
private StudentMapper studentMapper;
@Override
public void importStudents(MultipartFile file) throws Exception {
List<Student> students = new ArrayList<>();
// 获取上传的 Excel 文件流
try (InputStream inputStream = file.getInputStream();
Workbook workbook = new XSSFWorkbook(inputStream)) {
// 读取第一个工作表
Sheet sheet = workbook.getSheetAt(0);
// 检查文件中是否包含积分列
boolean hasPointsColumn = sheet.getRow(0).getLastCellNum() > 2;
// 遍历每一行，从第二行开始（假设第一行是标题）
for (int i = 1; i <= sheet.getLastRowNum(); i++) {
Row row = sheet.getRow(i);
if (row == null) continue;
// 读取学生数据
String studentNumber = getCellValueAsString(row.getCell(0));
String name = getCellValueAsString(row.getCell(1));
// 如果有积分列，读取积分，如果没有积分列或者积分为空，则默认积分为 0
BigDecimal points = BigDecimal.ZERO;
if (hasPointsColumn && row.getCell(2) != null) {
Cell pointsCell = row.getCell(2);
if (pointsCell.getCellType() == CellType.NUMERIC) {
points = new BigDecimal(pointsCell.getNumericCellValue());
} else if (pointsCell.getCellType() == CellType.STRING) {
points = new BigDecimal(pointsCell.getStringCellValue());
}
}
Student student = new Student();
student.setStudentNumber(studentNumber);
student.setName(name);
student.setPoints(points);
students.add(student);
}
}
// 将学生列表保存到数据库
studentMapper.saveStudents(students);
}
// 辅助方法：获取单元格的字符串值
private String getCellValueAsString(Cell cell) {
if (cell == null) {
return "";
}
// 使用 DataFormatter 处理字符串和基本的数字格式问题
DataFormatter formatter = new DataFormatter();
String cellValue = formatter.formatCellValue(cell);
// 额外处理数值型，确保学号不会以科学计数法的形式返回
if (cell.getCellType() == CellType.NUMERIC) {
// 强制将数值转换为不使用科学计数法的字符串
BigDecimal bd = new BigDecimal(cell.getNumericCellValue());
cellValue = bd.toPlainString(); // 使用 toPlainString() 避免科学计数法
}
return cellValue;
}
@Override
public void exportStudents(OutputStream outputStream) throws Exception {
List<Student> students = studentMapper.findAll();
try (Workbook workbook = new XSSFWorkbook()) {
Sheet sheet = workbook.createSheet("Students");
// 创建标题行
Row headerRow = sheet.createRow(0);
headerRow.createCell(0).setCellValue("学号");
headerRow.createCell(1).setCellValue("姓名");
headerRow.createCell(2).setCellValue("积分");
// 填充数据
int rowNum = 1;
for (Student student : students) {
Row row = sheet.createRow(rowNum++);
row.createCell(0).setCellValue(student.getStudentNumber()); // 确保学号不为空
row.createCell(1).setCellValue(student.getName());
row.createCell(2).setCellValue(student.getPoints() != null ? student.getPoints().doubleValue() : 0.0);
}
// 将数据写入输出流
workbook.write(outputStream);
}
deleteAllStudents(); // 导出后删除所有学生
}
/**
*
* 调整指定学生的积分
* @param studentNumber 学生编号
* @param pointsDelta 要加或减的积分值
*/
@Override
public void adjustPoints(String studentNumber, BigDecimal pointsDelta) {
Student student = studentMapper.findByStudentNumber(studentNumber);
if (student == null) {
throw new RuntimeException("未找到该学生");
}
BigDecimal updatedPoints = student.getPoints().add(pointsDelta);
student.setPoints(updatedPoints);
studentMapper.update(student);
}
/**
* 获取学生积分排行榜，按积分从高到低排序
* @return 排行榜学生列表
*/
@Override
public List<Student> getStudentRanking() {
return studentMapper.findAllStudentsByRanking();
}
@Override
public Student findById(Long id) {
return studentMapper.findById(id);
}
@Override
public Student findByStudentNumber(String studentNumber) {
return studentMapper.findByStudentNumber(studentNumber);
}
@Override
public List<Student> findAll() {
return studentMapper.findAll();
}
@Override
public void save(Student student) {
studentMapper.save(student);
}
@Override
public void update(Student student) {
studentMapper.update(student);
}
@Override
public void delete(Long id) {
studentMapper.delete(id);
}
/**
* 获取所有学生的姓名
* @return 学生姓名的字符串数组
*/
@Override
public String[] getAllStudentNames() {
return studentMapper.findAllStudentNames();
}
@Override
public void deleteAllStudents() {
studentMapper.deleteAllStudents();
}
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/service/impl/TeacherServiceImpl.java
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package com.example.attendance.service.impl;
import com.example.attendance.mapper.TeacherMapper;
import com.example.attendance.entity.Teacher;
import com.example.attendance.service.TeacherService;
import com.example.attendance.util.JWTUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
@Service
public class TeacherServiceImpl implements TeacherService {
private final TeacherMapper teacherMapper;
private final PasswordEncoder passwordEncoder; // 构造函数注入
@Autowired
public TeacherServiceImpl(TeacherMapper teacherMapper, PasswordEncoder passwordEncoder) {
this.teacherMapper = teacherMapper;
this.passwordEncoder = passwordEncoder;
}
@Override
public void register(String username, String password) {
Teacher teacher = new Teacher();
teacher.setUsername(username);
teacher.setPassword(passwordEncoder.encode(password)); // 密码加密
teacherMapper.save(teacher);
}
@Override
public String login(String username, String password) {
Teacher teacher = teacherMapper.findByUsername(username);
if (teacher == null || !passwordEncoder.matches(password, teacher.getPassword())) {
throw new RuntimeException("用户名或密码不正确");
}
// 返回 JWT token
return JWTUtil.generateToken(teacher);
}
@Override
public Teacher findByUsername(String username) {
return teacherMapper.findByUsername(username);
}
}

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BACKEND_ATTENDANCE/src/main/java/com/example/attendance/util/JWTUtil.java
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package com.example.attendance.util;
import com.example.attendance.entity.Teacher;
import io.jsonwebtoken.*;
import io.jsonwebtoken.security.Keys;
import lombok.extern.slf4j.Slf4j;
import javax.crypto.SecretKey;
import java.nio.charset.StandardCharsets;
import java.util.Date;
@Slf4j
public class JWTUtil {
private static final String SECRET_KEY_STRING = "MineVeryLongAndSecureSecretKeyHere1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
private static final SecretKey SECRET_KEY = Keys.hmacShaKeyFor(SECRET_KEY_STRING.getBytes(StandardCharsets.UTF_8));
// 生成 Token
public static String generateToken(Teacher teacher) {
return Jwts.builder()
.setSubject(teacher.getUsername()) // 设置 Token 主题（用户名）
.setIssuedAt(new Date()) // 设置 Token 签发时间
.setExpiration(new Date(System.currentTimeMillis() + 60 * 60 * 1000)) // Token 有效期 1 小时
.signWith(SECRET_KEY, SignatureAlgorithm.HS256) // 使用 HS256 签名算法和 SECRET_KEY 签名
.compact();
}
public static Claims extractClaims(String token) {
try {
return Jwts.parser()
.setSigningKey(SECRET_KEY)
.parseClaimsJws(token)
.getBody();
} catch (io.jsonwebtoken.io.DecodingException e) {
log.error("JWT解码失败: {}", e.getMessage());
throw new RuntimeException("无效的JWT token: 解码失败", e);
} catch (io.jsonwebtoken.security.SecurityException | io.jsonwebtoken.MalformedJwtException e) {
log.error("无效的JWT签名: {}", e.getMessage());
throw new RuntimeException("无效的JWT token: 签名验证失败", e);
} catch (io.jsonwebtoken.ExpiredJwtException e) {
log.error("JWT token已过期: {}", e.getMessage());
throw new RuntimeException("JWT token已过期", e);
} catch (io.jsonwebtoken.UnsupportedJwtException e) {
log.error("不支持的JWT token: {}", e.getMessage());
throw new RuntimeException("不支持的JWT token", e);
} catch (IllegalArgumentException e) {
log.error("JWT claims字符串为空: {}", e.getMessage());
throw new RuntimeException("JWT claims字符串为空", e);
}
}
// 从 Token 中获取用户名
public static String getUsernameFromToken(String token) {
return extractClaims(token).getSubject();
}
// 判断 Token 是否过期
public static boolean isTokenExpired(String token) {
return extractClaims(token).getExpiration().before(new Date());
}
}

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BACKEND_ATTENDANCE/src/main/resources/application.properties
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server.port=8080
server.address=0.0.0.0
spring.application.name=attendance
spring.datasource.url=jdbc:mysql://localhost:3306/roll_call_system
spring.datasource.username=root
spring.datasource.password=123456789jk
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
# JWT ???????????
jwt.expiration=6048000
# JWT ?????
jwt.tokenHead=Bearer
mybatis.configuration.map-underscore-to-camel-case=true

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BACKEND_ATTENDANCE/src/main/resources/static/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="icon" href="/点名.png">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>点点小助手</title>
<script type="module" crossorigin src="/assets/index-Cb5FnDWH.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-B1hDzaLh.css">
</head>
<body>
<div id="app"></div>
</body>
</html>

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BACKEND_ATTENDANCE/src/test/java/com/example/attendance/RollCallServiceImplTest.java
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package com.example.attendance;
import com.example.attendance.entity.RollCallResponse;
import com.example.attendance.entity.RollCallSettings;
import com.example.attendance.entity.Student;
import com.example.attendance.service.impl.RollCallServiceImpl;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.MockitoAnnotations;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
class RollCallServiceImplTest {
@InjectMocks
private RollCallServiceImpl rollCallService;
private List<Student> students;
private RollCallSettings settings;
@BeforeEach
void setUp() {
MockitoAnnotations.openMocks(this);
// 模拟学生列表
students = Arrays.asList(
createStudent("1", "Alice", 50),
createStudent("2", "Bob", 90),
createStudent("3", "Charlie", 30)
);
// 初始化点名设置
settings = new RollCallSettings();
settings.setRollCallMode("点名");
settings.setTriggerRandomEvent("不触发");
settings.setWheelOfFortune("否");
}
// 测试正常点名模式
@Test
void testStartRollCall_NormalMode() {
for (int i = 0; i < 10; i++) {
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Normal Mode");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("没有触发随机事件"));
}
}
// 测试提问模式
@Test
void testStartRollCall_QuestionMode() {
settings.setRollCallMode("提问"); // 设置为提问模式
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Question Mode");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("没有触发随机事件"));
}
// 测试命运轮盘模式
@Test
void testStartRollCall_WheelOfFortune() {
settings.setWheelOfFortune("是"); // 开启命运轮盘
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Wheel of Fortune Mode");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("命运轮盘"));
}
// 测试触发随机事件
@Test
void testStartRollCall_TriggerRandomEvent() {
settings.setTriggerRandomEvent("触发"); // 触发随机事件
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Random Event Triggered");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("触发了随机事件"));
}
// 辅助方法，创建学生
private Student createStudent(String id, String name, int points) {
Student student = new Student();
student.setStudentNumber(id);
student.setName(name);
student.setPoints(BigDecimal.valueOf(points));
return student;
}
}

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10
src/main/java/com/example/attendance/controller/StudentController.java
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@ -47,6 +47,16 @@ public class StudentController {
return ResponseEntity.ok(students); return ResponseEntity.ok(students);
} }
/**
* 获取所有学生的姓名
* @return 学生姓名的字符串数组
*/
@GetMapping("/names")
public ResponseEntity<String[]> getAllStudentNames() {
String[] studentNames = studentService.getAllStudentNames();
return ResponseEntity.ok(studentNames);
}
//添加学生信息 //添加学生信息
@PostMapping @PostMapping
public ResponseEntity<String> addStudent(@RequestBody Student student) { public ResponseEntity<String> addStudent(@RequestBody Student student) {

8
src/main/java/com/example/attendance/entity/RollCallSettings.java
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@ -8,8 +8,8 @@ import lombok.NoArgsConstructor;
@AllArgsConstructor @AllArgsConstructor
@Data @Data
public class RollCallSettings { public class RollCallSettings {
private boolean isRollCall; // 点名(true)或提问(false) private String rollCallMode; // 点名("点名")或提问("提问")
private boolean triggerRandomEvent; // 是否触发随机事件 private String triggerRandomEvent; // 触发("触发")或不触发("不触发")随机事件
private boolean wheelOfFortune; // 是否开启命运轮盘 private String wheelOfFortune; // 开启("是")或关闭("否")命运轮盘
} }

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src/main/java/com/example/attendance/filter/JwtAuthenticationFilter.java
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7
src/main/java/com/example/attendance/mapper/StudentMapper.java
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@ -46,4 +46,11 @@ public interface StudentMapper {
*/ */
@Select("SELECT * FROM student ORDER BY points DESC LIMIT #{size} OFFSET #{offset}") @Select("SELECT * FROM student ORDER BY points DESC LIMIT #{size} OFFSET #{offset}")
List<Student> findStudentsByRanking(@Param("offset") int offset, @Param("size") int size); List<Student> findStudentsByRanking(@Param("offset") int offset, @Param("size") int size);
/**
* 查询所有学生的姓名
* @return 学生姓名的字符串数组
*/
@Select("SELECT name FROM student")
String[] findAllStudentNames();
} }

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src/main/java/com/example/attendance/package-info.java
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@ -1 +0,0 @@
package com.example.attendance;

1
src/main/java/com/example/attendance/service/StudentService.java
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@ -19,4 +19,5 @@ public interface StudentService {
void update(Student student); void update(Student student);
void delete(Long id); void delete(Long id);
String[] getAllStudentNames();
} }

7
src/main/java/com/example/attendance/service/impl/RollCallServiceImpl.java
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@ -6,7 +6,6 @@ import com.example.attendance.entity.Student;
import com.example.attendance.service.RollCallService; import com.example.attendance.service.RollCallService;
import org.springframework.stereotype.Service; import org.springframework.stereotype.Service;
import java.math.BigDecimal;
import java.util.List; import java.util.List;
import java.util.Random; import java.util.Random;
@ -16,11 +15,11 @@ public class RollCallServiceImpl implements RollCallService {
@Override @Override
public RollCallResponse startRollCall(List<Student> students, RollCallSettings settings) { public RollCallResponse startRollCall(List<Student> students, RollCallSettings settings) {
// 1. 根据设定选择点名或提问模式 // 1. 根据设定选择点名或提问模式
String mode = settings.isRollCall() ? "点名" : "提问"; String mode = "点名".equals(settings.getRollCallMode()) ? "点名" : "提问";
System.out.println("当前模式：" + mode); System.out.println("当前模式：" + mode);
// 2. 处理命运轮盘 (所有人概率相等) // 2. 处理命运轮盘 (所有人概率相等)
if (settings.isWheelOfFortune()) { if ("是".equals(settings.getWheelOfFortune())) {
return handleWheelOfFortune(students); return handleWheelOfFortune(students);
} }
@ -32,7 +31,7 @@ public class RollCallServiceImpl implements RollCallService {
response.setPoints(selectedStudent.getPoints()); response.setPoints(selectedStudent.getPoints());
// 4. 判断是否触发随机事件 // 4. 判断是否触发随机事件
if (settings.isTriggerRandomEvent()) { if ("触发".equals(settings.getTriggerRandomEvent())) {
response.setMessage("触发了随机事件: " + triggerRandomEvent()); response.setMessage("触发了随机事件: " + triggerRandomEvent());
} else { } else {
response.setMessage("没有触发随机事件，" + selectedStudent.getName() + " 被点了！"); response.setMessage("没有触发随机事件，" + selectedStudent.getName() + " 被点了！");

11
src/main/java/com/example/attendance/service/impl/StudentServiceImpl.java
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@ -98,6 +98,7 @@ public class StudentServiceImpl implements StudentService {
* @param studentNumber 学生编号 * @param studentNumber 学生编号
* @param pointsDelta 要加或减的积分值 * @param pointsDelta 要加或减的积分值
*/ */
@Override
public void adjustPoints(String studentNumber, BigDecimal pointsDelta) { public void adjustPoints(String studentNumber, BigDecimal pointsDelta) {
Student student = studentMapper.findByStudentNumber(studentNumber); Student student = studentMapper.findByStudentNumber(studentNumber);
if (student == null) { if (student == null) {
@ -114,6 +115,7 @@ public class StudentServiceImpl implements StudentService {
* @param size 每页显示的记录数 * @param size 每页显示的记录数
* @return 学生排行榜 * @return 学生排行榜
*/ */
@Override
public List<Student> getStudentRanking(int page, int size) { public List<Student> getStudentRanking(int page, int size) {
int offset = page * size; int offset = page * size;
return studentMapper.findStudentsByRanking(offset, size); return studentMapper.findStudentsByRanking(offset, size);
@ -148,4 +150,13 @@ public class StudentServiceImpl implements StudentService {
public void delete(Long id) { public void delete(Long id) {
studentMapper.delete(id); studentMapper.delete(id);
} }
/**
* 获取所有学生的姓名
* @return 学生姓名的字符串数组
*/
@Override
public String[] getAllStudentNames() {
return studentMapper.findAllStudentNames();
}
} }

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src/main/resources/static/index.html
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@ -0,0 +1,14 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="icon" href="/点名.png">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>点点小助手</title>
<script type="module" crossorigin src="/assets/index-Cb5FnDWH.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-B1hDzaLh.css">
</head>
<body>
<div id="app"></div>
</body>
</html>

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@ -0,0 +1 @@
<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1727709759865" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="6581" xmlns:xlink="http://www.w3.org/1999/xlink" width="48" height="48"><path d="M485.568 906.496c-0.64-0.192-145.088 10.368-209.216-16.256-86.528-35.968-117.184-62.592-117.184-79.488 0-15.936-2.944-98.112 77.248-123.2a4319.36 4319.36 0 0 1 155.264-43.136 25.216 25.216 0 0 0 22.08-24.832V541.888a24.064 24.064 0 0 0-7.68-17.664c-69.248-66.56-97.728-131.456-97.728-243.584 0-53.312 14.656-91.008 39.296-119.744 26.496-31.104 68.032-46.912 123.264-46.912 159.104 0 169.408 128.384 169.408 171.392a291.072 291.072 0 0 1-26.56 122.048c-13.056 28.544-26.624 44.736-26.752 45.12a24.256 24.256 0 0 0 3.776 35.2 26.88 26.88 0 0 0 36.672-3.648c2.56-3.072 65.088-77.696 65.088-198.72 0-65.024-16.832-109.376-52.544-150.72C600.256 88.448 541.76 64 470.976 64 335.808 64 256.256 140.416 256.256 280.704c0 60.864 8.192 104.256 25.024 148.928a340.48 340.48 0 0 0 80.256 122.368v46.784c-36.928 6.72-73.408 15.552-109.312 26.368-39.232 12.16-70.848 25.536-93.824 40.256-34.176 21.632-51.456 117.76-51.456 145.344 0 45.76 48.64 83.968 149.056 125.504 67.712 28.032 213.12 17.664 215.872 18.368l6.848 1.024a25.92 25.92 0 0 0 25.28-18.496 24.704 24.704 0 0 0-18.432-30.656z" p-id="6582" fill="#8755f2"></path><path d="M937.024 515.776a26.624 26.624 0 0 0-37.376 4.16c-9.152 11.456-199.808 266.624-228.224 268.928-27.712 2.432-122.752-90.112-122.752-90.112a26.496 26.496 0 0 0-36.224 4.032 26.56 26.56 0 0 0 1.856 36.48c10.304 9.664 101.056 82.048 123.072 98.304l25.6 18.816c5.12 3.264 10.752 5.376 16.576 4.736a23.68 23.68 0 0 0 17.536-9.152c6.208-7.36 35.52-41.344 35.776-41.792l208.448-257.216a26.56 26.56 0 0 0-4.288-37.184z" p-id="6583" fill="#8755f2"></path></svg>
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src/test/java/com/example/attendance/AttendanceApplicationTests.java
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@ -1,13 +0,0 @@
package com.example.attendance;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class AttendanceApplicationTests {
@Test
void contextLoads() {
}
}

24
src/test/java/com/example/attendance/PasswordEncryptor.java
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@ -1,24 +0,0 @@
package com.example.attendance;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
public class PasswordEncryptor {
public static void main(String[] args) {
BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
// 这里使用你希望的明文密码
String rawPassword1 = "123456";
String rawPassword2 = "654321";
String rawPassword3 = "admin123";
// 加密密码
String encodedPassword1 = passwordEncoder.encode(rawPassword1);
String encodedPassword2 = passwordEncoder.encode(rawPassword2);
String encodedPassword3 = passwordEncoder.encode(rawPassword3);
// 打印加密后的密码
System.out.println("teacher1 密码: " + encodedPassword1);
System.out.println("teacher2 密码: " + encodedPassword2);
System.out.println("teacher3 密码: " + encodedPassword3);
}
}

117
src/test/java/com/example/attendance/RollCallServiceImplTest.java
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@ -1,117 +0,0 @@
package com.example.attendance;
import com.example.attendance.entity.RollCallResponse;
import com.example.attendance.entity.RollCallSettings;
import com.example.attendance.entity.Student;
import com.example.attendance.service.impl.RollCallServiceImpl;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.MockitoAnnotations;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
class RollCallServiceImplTest {
@InjectMocks
private RollCallServiceImpl rollCallService;
private List<Student> students;
private RollCallSettings settings;
@BeforeEach
void setUp() {
MockitoAnnotations.openMocks(this);
// 模拟学生列表
students = Arrays.asList(
createStudent("1", "Alice", 50),
createStudent("2", "Bob", 90),
createStudent("3", "Charlie", 30)
);
// 初始化点名设置
settings = new RollCallSettings();
settings.setRollCall(true);
settings.setTriggerRandomEvent(false);
settings.setWheelOfFortune(false);
}
// 测试正常点名模式
@Test
void testStartRollCall_NormalMode() {
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Normal Mode");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("没有触发随机事件"));
}
// 测试提问模式
@Test
void testStartRollCall_QuestionMode() {
settings.setRollCall(false); // 设置为提问模式
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Question Mode");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("没有触发随机事件"));
}
// 测试命运轮盘模式
@Test
void testStartRollCall_WheelOfFortune() {
settings.setWheelOfFortune(true); // 开启命运轮盘
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Wheel of Fortune Mode");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("命运轮盘"));
}
// 测试触发随机事件
@Test
void testStartRollCall_TriggerRandomEvent() {
settings.setTriggerRandomEvent(true); // 触发随机事件
RollCallResponse response = rollCallService.startRollCall(students, settings);
// 控制台输出
System.out.println("Test: Random Event Triggered");
System.out.println("Student ID: " + response.getStudentId());
System.out.println("Message: " + response.getMessage());
assertNotNull(response);
assertNotNull(response.getStudentId());
assertTrue(response.getMessage().contains("触发了随机事件"));
}
// 辅助方法，创建学生
private Student createStudent(String id, String name, int points) {
Student student = new Student();
student.setStudentNumber(id);
student.setName(name);
student.setPoints(BigDecimal.valueOf(points));
return student;
}
}

162
src/test/java/com/example/attendance/StudentServiceImplTest.java
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@ -1,162 +0,0 @@
package com.example.attendance;
import com.example.attendance.entity.Student;
import com.example.attendance.mapper.StudentMapper;
import com.example.attendance.service.impl.StudentServiceImpl;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;
class StudentServiceImplTest {
@InjectMocks
private StudentServiceImpl studentService;
@Mock
private StudentMapper studentMapper;
@Mock
private MultipartFile file;
@BeforeEach
void setUp() {
MockitoAnnotations.openMocks(this);
}
@Test
void testImportStudents() throws Exception {
// 模拟 Excel 文件内容
XSSFWorkbook workbook = new XSSFWorkbook();
var sheet = workbook.createSheet("Sheet 1");
var header = sheet.createRow(0);
header.createCell(0).setCellValue("Student Number");
header.createCell(1).setCellValue("Name");
header.createCell(2).setCellValue("Points");
var row1 = sheet.createRow(1);
row1.createCell(0).setCellValue("1");
row1.createCell(1).setCellValue("Alice");
row1.createCell(2).setCellValue(50);
var row2 = sheet.createRow(2);
row2.createCell(0).setCellValue("2");
row2.createCell(1).setCellValue("Bob");
row2.createCell(2).setCellValue(80);
// 将 workbook 写入 ByteArrayOutputStream
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
workbook.write(outputStream);
workbook.close(); // 关闭 workbook
// 将 ByteArrayOutputStream 转换为 InputStream
InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
when(file.getInputStream()).thenReturn(inputStream);
// 调用 importStudents 方法
studentService.importStudents(file);
// 验证是否保存了学生数据
verify(studentMapper, times(1)).saveStudents(anyList());
}
// 测试调整积分
@Test
void testAdjustPoints() {
// 模拟学生数据
Student student = new Student();
student.setStudentNumber("1");
student.setPoints(BigDecimal.valueOf(50));
when(studentMapper.findByStudentNumber("1")).thenReturn(student);
// 调用 adjustPoints 方法
studentService.adjustPoints("1", BigDecimal.valueOf(10));
// 验证是否更新了学生数据
assertEquals(BigDecimal.valueOf(60), student.getPoints());
verify(studentMapper, times(1)).update(student);
}
// 测试获取学生排行榜
@Test
void testGetStudentRanking() {
List<Student> mockStudents = new ArrayList<>();
Student student1 = new Student();
student1.setName("Alice");
student1.setPoints(BigDecimal.valueOf(100));
Student student2 = new Student();
student2.setName("Bob");
student2.setPoints(BigDecimal.valueOf(90));
mockStudents.add(student1);
mockStudents.add(student2);
when(studentMapper.findStudentsByRanking(0, 2)).thenReturn(mockStudents);
// 调用 getStudentRanking 方法
List<Student> ranking = studentService.getStudentRanking(0, 2);
// 验证返回结果是否正确
assertEquals(2, ranking.size());
assertEquals("Alice", ranking.get(0).getName());
assertEquals("Bob", ranking.get(1).getName());
}
// 测试根据学生编号查找
@Test
void testFindByStudentNumber() {
Student student = new Student();
student.setStudentNumber("1");
student.setName("Alice");
when(studentMapper.findByStudentNumber("1")).thenReturn(student);
// 调用 findByStudentNumber 方法
Student result = studentService.findByStudentNumber("1");
// 验证结果
assertNotNull(result);
assertEquals("Alice", result.getName());
}
// 测试保存学生
@Test
void testSave() {
Student student = new Student();
student.setName("Alice");
// 调用 save 方法
studentService.save(student);
// 验证是否保存了学生
verify(studentMapper, times(1)).save(student);
}
// 测试删除学生
@Test
void testDelete() {
Long id = 1L;
// 调用 delete 方法
studentService.delete(id);
// 验证是否删除了学生
verify(studentMapper, times(1)).delete(id);
}
}

120
src/test/java/com/example/attendance/TeacherServiceImplTest.java
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@ -1,120 +0,0 @@
package com.example.attendance;
import com.example.attendance.entity.Teacher;
import com.example.attendance.mapper.TeacherMapper;
import com.example.attendance.service.impl.TeacherServiceImpl;
import com.example.attendance.util.JWTUtil;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.security.crypto.password.PasswordEncoder;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.*;
class TeacherServiceImplTest {
@InjectMocks
private TeacherServiceImpl teacherService; // 使用 @InjectMocks 注入测试的服务类
@Mock
private TeacherMapper teacherMapper; // 模拟 TeacherMapper
@Mock
private PasswordEncoder passwordEncoder; // 模拟 PasswordEncoder
@BeforeEach
void setUp() {
MockitoAnnotations.openMocks(this); // 初始化 mocks
}
// 测试注册功能
@Test
void testRegister() {
// 模拟加密的密码
String rawPassword = "password123";
String encodedPassword = "encodedPassword123";
when(passwordEncoder.encode(rawPassword)).thenReturn(encodedPassword);
// 调用注册方法
teacherService.register("testUser", rawPassword);
// 验证 teacherMapper.save 是否被调用，并且密码是加密的
verify(teacherMapper, times(1)).save(any(Teacher.class));
verify(passwordEncoder, times(1)).encode(rawPassword);
}
// 测试登录功能
@Test
void testLogin_Success() {
// 模拟数据库中保存的教师
Teacher teacher = new Teacher();
teacher.setUsername("testUser");
teacher.setPassword("encodedPassword123");
// 模拟找到用户，并且密码匹配
when(teacherMapper.findByUsername("testUser")).thenReturn(teacher);
when(passwordEncoder.matches("password123", "encodedPassword123")).thenReturn(true);
// 模拟生成的 JWT token
String token = "mockedJWTToken";
mockStatic(JWTUtil.class); // mock 静态方法
when(JWTUtil.generateToken(teacher)).thenReturn(token);
// 调用登录方法
String resultToken = teacherService.login("testUser", "password123");
// 验证生成的 token 是否正确
assertEquals(token, resultToken);
// 验证方法调用
verify(teacherMapper, times(1)).findByUsername("testUser");
verify(passwordEncoder, times(1)).matches("password123", "encodedPassword123");
}
// 测试登录失败（用户名不正确）
@Test
void testLogin_Fail_UserNotFound() {
// 模拟未找到用户
when(teacherMapper.findByUsername("nonExistentUser")).thenReturn(null);
// 调用登录方法并捕获异常
Exception exception = assertThrows(RuntimeException.class, () -> {
teacherService.login("nonExistentUser", "password123");
});
// 验证异常消息
assertEquals("用户名或密码不正确", exception.getMessage());
// 验证 teacherMapper.findByUsername 被调用一次
verify(teacherMapper, times(1)).findByUsername("nonExistentUser");
}
// 测试登录失败（密码不匹配）
@Test
void testLogin_Fail_WrongPassword() {
// 模拟找到用户，但密码不匹配
Teacher teacher = new Teacher();
teacher.setUsername("testUser");
teacher.setPassword("encodedPassword123");
when(teacherMapper.findByUsername("testUser")).thenReturn(teacher);
when(passwordEncoder.matches("wrongPassword", "encodedPassword123")).thenReturn(false);
// 调用登录方法并捕获异常
Exception exception = assertThrows(RuntimeException.class, () -> {
teacherService.login("testUser", "wrongPassword");
});
// 验证异常消息
assertEquals("用户名或密码不正确", exception.getMessage());
// 验证方法调用
verify(teacherMapper, times(1)).findByUsername("testUser");
verify(passwordEncoder, times(1)).matches("wrongPassword", "encodedPassword123");
}
}
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