133 lines
3.5 KiB
Markdown
133 lines
3.5 KiB
Markdown
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# Service 层重构总结
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## 重构时间
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2026-03-10
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## 重构目的
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将 Service 层从"直接 class 实现"重构为"interface + impl"模式，符合 Spring 最佳实践。
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## 重构的 Service 列表
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本次重构共完成了 14 个 Service 的 interface + impl 模式改造：
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### 新增的 Interface 文件
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| 序号 | 接口文件 | 实现类文件 |
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|------|----------|------------|
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| 1 | `AdminStatsService.java` | `AdminStatsServiceImpl.java` |
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| 2 | `CourseLessonService.java` | `CourseLessonServiceImpl.java` |
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| 3 | `CoursePackageService.java` | `CoursePackageServiceImpl.java` |
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| 4 | `ExportService.java` | `ExportServiceImpl.java` |
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| 5 | `FileUploadService.java` | `FileUploadServiceImpl.java` |
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| 6 | `OperationLogService.java` | `OperationLogServiceImpl.java` |
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| 7 | `ResourceService.java` | `ResourceServiceImpl.java` |
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| 8 | `SchoolCourseService.java` | `SchoolCourseServiceImpl.java` |
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| 9 | `SystemSettingService.java` | `SystemSettingServiceImpl.java` |
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| 10 | `TeacherDashboardService.java` | `TeacherDashboardServiceImpl.java` |
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| 11 | `ScheduleService.java` | `ScheduleServiceImpl.java` |
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| 12 | `ThemeService.java` | `ThemeServiceImpl.java` |
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| 13 | `TenantService.java` | `TenantServiceImpl.java` (已存在) |
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| 14 | `SchoolStatsService.java` | `SchoolStatsServiceImpl.java` |
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### 已有的 Interface + Impl 模式 Service
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以下 Service 在重构前已经是 interface + impl 模式：
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1. `AuthService` → `AuthServiceImpl`
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2. `ClassService` → `ClassServiceImpl`
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3. `StudentService` → `StudentServiceImpl`
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4. `TaskService` → `TaskServiceImpl`
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5. `CourseService` → `CourseServiceImpl`
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6. `GrowthRecordService` → `GrowthRecordServiceImpl`
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7. `LessonService` → `LessonServiceImpl`
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8. `NotificationService` → `NotificationServiceImpl`
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9. `ParentService` → `ParentServiceImpl`
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10. `TeacherService` → `TeacherServiceImpl`
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11. `TokenService` → `TokenServiceImpl`
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## 重构模式
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所有 Service 遵循以下模式：
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### Interface 定义
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```java
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package com.reading.platform.service;
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import java.util.List;
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import java.util.Map;
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/**
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* 服务接口
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*/
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public interface XxxService {
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/**
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* 方法描述
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*/
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List<Xxx> getXxxList(Long id);
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/**
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* 方法描述
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*/
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Xxx createXxx(XxxCreateRequest request);
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}
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```
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### Impl 实现类
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```java
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package com.reading.platform.service.impl;
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import com.reading.platform.mapper.XxxMapper;
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import com.reading.platform.service.XxxService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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/**
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* 服务实现类
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*/
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@Service
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@RequiredArgsConstructor
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public class XxxServiceImpl implements XxxService {
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private final XxxMapper xxxMapper;
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@Override
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public List<Xxx> getXxxList(Long id) {
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// 业务逻辑
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}
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@Override
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public Xxx createXxx(XxxCreateRequest request) {
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// 业务逻辑
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}
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}
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```
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## 架构优势
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1. **依赖倒置**：Controller 依赖接口而非具体实现
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2. **易于测试**：可以通过 Mock 接口进行测试
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3. **易于扩展**：可以轻松切换不同的实现
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4. **代码规范**：符合 Spring 官方推荐的最佳实践
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## 编译验证
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```bash
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cd reading-platform-java
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mvn clean compile -DskipTests
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```
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编译结果：**BUILD SUCCESS**
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## 文件统计
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- 接口文件：25 个
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- 实现类文件：25 个
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- 总计：50 个 Service 相关文件
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## 后续建议
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1. 为新实现的接口添加单元测试
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2. 在 CI/CD 流程中确保编译使用 JDK 17
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3. 保持新增 Service 遵循 interface + impl 模式
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