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模块说明

**本文引用的文件** - [pom.xml](file://pom.xml) - [CrmAppApplication.java](file://crm-app/src/main/java/com/crm/app/CrmAppApplication.java) - [application.yml](file://crm-app/src/main/resources/application.yml) - [AuthApplication.java](file://crm-auth/src/main/java/com/crm/auth/AuthApplication.java) - [application.yml](file://crm-auth/src/main/resources/application.yml) - [SecurityConfig.java](file://crm-auth/src/main/java/com/crm/auth/config/SecurityConfig.java) - [PermissionConfig.java](file://crm-auth/src/main/java/com/crm/auth/config/PermissionConfig.java) - [DataInitializer.java](file://crm-auth/src/main/java/com/crm/auth/config/DataInitializer.java) - [AuthProperties.java](file://crm-auth/src/main/java/com/crm/auth/config/AuthProperties.java) - [AuthController.java](file://crm-auth/src/main/java/com/crm/auth/controller/AuthController.java) - [SystemController.java](file://crm-auth/src/main/java/com/crm/auth/controller/SystemController.java) - [IAuthService.java](file://crm-auth/src/main/java/com/crm/auth/service/IAuthService.java) - [AuthServiceImpl.java](file://crm-auth/src/main/java/com/crm/auth/service/impl/AuthServiceImpl.java) - [IAuthUserService.java](file://crm-auth/src/main/java/com/crm/auth/service/IAuthUserService.java) - [AuthUserServiceImpl.java](file://crm-auth/src/main/java/com/crm/auth/service/impl/AuthUserServiceImpl.java) - [ISysRoleService.java](file://crm-auth/src/main/java/com/crm/auth/service/ISysRoleService.java) - [SysRoleServiceImpl.java](file://crm-auth/src/main/java/com/crm/auth/service/impl/SysRoleServiceImpl.java) - [ISysMenuService.java](file://crm-auth/src/main/java/com/crm/auth/service/ISysMenuService.java) - [SysMenuServiceImpl.java](file://crm-auth/src/main/java/com/crm/auth/service/impl/SysMenuServiceImpl.java) - [ISysDeptService.java](file://crm-auth/src/main/java/com/crm/auth/service/ISysDeptService.java) - [SysDeptServiceImpl.java](file://crm-auth/src/main/java/com/crm/auth/service/impl/SysDeptServiceImpl.java) - [TokenService.java](file://crm-auth/src/main/java/com/crm/auth/security/TokenService.java) - [JwtAuthenticationFilter.java](file://crm-auth/src/main/java/com/crm/auth/security/JwtAuthenticationFilter.java) - [DataScopeInterceptor.java](file://crm-auth/src/main/java/com/crm/auth/security/DataScopeInterceptor.java) - [DataScopeTables.java](file://crm-auth/src/main/java/com/crm/auth/security/DataScopeTables.java) - [SecurityExceptionHandlers.java](file://crm-auth/src/main/java/com/crm/auth/security/SecurityExceptionHandlers.java) - [ThirdPartyAuthClientFactory.java](file://crm-auth/src/main/java/com/crm/auth/service/client/ThirdPartyAuthClientFactory.java) - [ThirdPartyAuthClient.java](file://crm-auth/src/main/java/com/crm/auth/service/client/ThirdPartyAuthClient.java) - [DingTalkAuthClient.java](file://crm-auth/src/main/java/com/crm/auth/service/client/DingTalkAuthClient.java) - [ThirdPartyUserInfo.java](file://crm-auth/src/main/java/com/crm/auth/service/client/ThirdPartyUserInfo.java) - [AuthIdentity.java](file://crm-auth/src/main/java/com/crm/auth/domain/entity/AuthIdentity.java) - [AuthUser.java](file://crm-auth/src/main/java/com/crm/auth/domain/entity/AuthUser.java) - [SysRole.java](file://crm-auth/src/main/java/com/crm/auth/domain/entity/SysRole.java) - [SysMenu.java](file://crm-auth/src/main/java/com/crm/auth/domain/entity/SysMenu.java) - [SysDept.java](file://crm-auth/src/main/java/com/crm/auth/domain/entity/SysDept.java) - [LoginParam.java](file://crm-auth/src/main/java/com/crm/auth/domain/param/LoginParam.java) - [LoginResultDTO.java](file://crm-auth/src/main/java/com/crm/auth/domain/dto/LoginResultDTO.java) - [UserInfoDTO.java](file://crm-auth/src/main/java/com/crm/auth/domain/dto/UserInfoDTO.java) - [AuthConstants.java](file://crm-auth/src/main/java/com/crm/auth/constant/AuthConstants.java) - [BaseServiceImpl.java](file://crm-base/src/main/java/com/crm/base/service/impl/BaseServiceImpl.java) - [IBaseService.java](file://crm-base/src/main/java/com/crm/base/service/IBaseService.java) - [GlobalExceptionHandlerAdvice.java](file://crm-base/src/main/java/com/crm/base/advice/GlobalExceptionHandlerAdvice.java) - [MybatisPlusConfig.java](file://crm-base/src/main/java/com/crm/base/config/MybatisPlusConfig.java) - [RedisConfig.java](file://crm-base/src/main/java/com/crm/base/config/RedisConfig.java) - [JacksonConfig.java](file://crm-base/src/main/java/com/crm/base/config/JacksonConfig.java) - [Knife4jConfig.java](file://crm-base/src/main/java/com/crm/base/config/Knife4jConfig.java) - [MetaObjectFillHandler.java](file://crm-base/src/main/java/com/crm/base/config/MetaObjectFillHandler.java) - [CustomIdGenerator.java](file://crm-base/src/main/java/com/crm/base/config/CustomIdGenerator.java) - [SnowflakeIdWorker.java](file://crm-base/src/main/java/com/crm/base/config/SnowflakeIdWorker.java) - [SnowflakeProperties.java](file://crm-base/src/main/java/com/crm/base/config/SnowflakeProperties.java) - [InsertBatchOnDuplicateKeyUpdate.java](file://crm-base/src/main/java/com/crm/base/config/InsertBatchOnDuplicateKeyUpdate.java) - [CrmSqlInjector.java](file://crm-base/src/main/java/com/crm/base/config/CrmSqlInjector.java) - [CommonConstants.java](file://crm-base/src/main/java/com/crm/base/constant/CommonConstants.java) - [BaseEntity.java](file://crm-base/src/main/java/com/crm/base/domain/entity/BaseEntity.java) - [OwnedEntity.java](file://crm-base/src/main/java/com/crm/base/domain/entity/OwnedEntity.java) - [BaseDTO.java](file://crm-base/src/main/java/com/crm/base/domain/dto/BaseDTO.java) - [BaseParam.java](file://crm-base/src/main/java/com/crm/base/domain/param/BaseParam.java) - [PageResult.java](file://crm-base/src/main/java/com/crm/base/domain/result/PageResult.java) - [Result.java](file://crm-base/src/main/java/com/crm/base/domain/result/Result.java) - [ResultCodeEnum.java](file://crm-base/src/main/java/com/crm/base/domain/result/ResultCodeEnum.java) - [BusinessErrorException.java](file://crm-base/src/main/java/com/crm/base/domain/exception/BusinessErrorException.java) - [MissingParameterException.java](file://crm-base/src/main/java/com/crm/base/domain/exception/MissingParameterException.java) - [PermissionErrorException.java](file://crm-base/src/main/java/com/crm/base/domain/exception/PermissionErrorException.java) - [ResourceNotExistException.java](file://crm-base/src/main/java/com/crm/base/domain/exception/ResourceNotExistException.java) - [TraceIdFilter.java](file://crm-base/src/main/java/com/crm/base/filter/TraceIdFilter.java) - [DataScope.java](file://crm-base/src/main/java/com/crm/base/annotation/DataScope.java) - [DataOwnership.java](file://crm-base/src/main/java/com/crm/base/security/DataOwnership.java) - [DataScopeHelper.java](file://crm-base/src/main/java/com/crm/base/security/DataScopeHelper.java) - [DataScopeLevel.java](file://crm-base/src/main/java/com/crm/base/security/DataScopeLevel.java) - [DataVisibilityContext.java](file://crm-base/src/main/java/com/crm/base/security/DataVisibilityContext.java) - [LoginUser.java](file://crm-base/src/main/java/com/crm/base/security/LoginUser.java) - [SecurityUtils.java](file://crm-base/src/main/java/com/crm/base/security/SecurityUtils.java) - [AssertUtils.java](file://crm-base/src/main/java/com/crm/base/utils/AssertUtils.java) - [BeanCopyUtils.java](file://crm-base/src/main/java/com/crm/base/utils/BeanCopyUtils.java) - [EnumUtils.java](file://crm-base/src/main/java/com/crm/base/utils/EnumUtils.java) - [ExcelUtil.java](file://crm-base/src/main/java/com/crm/base/utils/ExcelUtil.java) - [PageConverter.java](file://crm-base/src/main/java/com/crm/base/utils/PageConverter.java) - [ServletUtils.java](file://crm-base/src/main/java/com/crm/base/utils/ServletUtils.java) - [TreeUtils.java](file://crm-base/src/main/java/com/crm/base/utils/TreeUtils.java) - [FileApi.java](file://crm-file/src/main/java/com/crm/file/api/FileApi.java) - [FileController.java](file://crm-file/src/main/java/com/crm/file/controller/FileController.java) - [FileApiImpl.java](file://crm-file/src/main/java/com/crm/file/service/impl/FileApiImpl.java) - [FileInfoServiceImpl.java](file://crm-file/src/main/java/com/crm/file/service/impl/FileInfoServiceImpl.java) - [IFileInfoService.java](file://crm-file/src/main/java/com/crm/file/service/IFileInfoService.java) - [KkFileViewClient.java](file://crm-file/src/main/java/com/crm/file/service/KkFileViewClient.java) - [OrphanChunkCleanupTask.java](file://crm-file/src/main/java/com/crm/file/task/OrphanChunkCleanupTask.java) - [MinioConfig.java](file://crm-file/src/main/java/com/crm/file/config/MinioConfig.java) - [SchedulingConfig.java](file://crm-file/src/main/java/com/crm/file/config/SchedulingConfig.java) - [FileProperties.java](file://crm-file/src/main/java/com/crm/file/config/FileProperties.java) - [FileInfoMapper.java](file://crm-file/src/main/java/com/crm/file/mapper/FileInfoMapper.java) - [FileInfo.java](file://crm-file/src/main/java/com/crm/file/domain/entity/FileInfo.java) - [FileDownloadDTO.java](file://crm-file/src/main/java/com/crm/file/domain/dto/FileDownloadDTO.java) - [FileInfoDTO.java](file://crm-file/src/main/java/com/crm/file/domain/dto/FileInfoDTO.java) - [MultipartInitDTO.java](file://crm-file/src/main/java/com/crm/file/domain/dto/MultipartInitDTO.java) - [UploadSession.java](file://crm-file/src/main/java/com/crm/file/domain/dto/UploadSession.java) - [FileConstants.java](file://crm-file/src/main/java/com/crm/file/constant/FileConstants.java)

目录

  1. 简介
  2. 项目结构
  3. 核心模块
  4. 架构总览
  5. 详细组件分析
  6. 依赖关系分析
  7. 性能考虑
  8. 故障排查指南
  9. 结论
  10. 附录:配置与扩展点

简介

本仓库为CRM后端多模块工程,采用分层与模块化设计,包含以下核心模块:

  • crm-auth(认证服务):负责用户认证、权限管理、第三方登录集成。
  • crm-base(基础框架):提供通用能力,如分页、异常处理、数据权限、统一结果封装、工具类等。
  • crm-file(文件服务):提供文件上传、下载、预览及分片断点续传等能力。
  • crm-app(应用入口):作为统一启动入口,聚合各模块并加载配置。

文档将从模块职责、包结构、核心类与接口、依赖关系、通信方式、配置项、扩展点与自定义开发等方面进行全面说明,帮助开发者快速上手并进行深度定制。

项目结构

整体采用Maven多模块组织,顶层pom.xml定义聚合与依赖版本管理;各子模块独立构建,通过Spring Boot启动。

graph TB
subgraph "应用层"
APP["crm-app<br/>统一启动入口"]
end
subgraph "业务模块"
AUTH["crm-auth<br/>认证与权限"]
FILE["crm-file<br/>文件服务"]
end
subgraph "基础模块"
BASE["crm-base<br/>通用能力"]
end
APP --> AUTH
APP --> FILE
AUTH --> BASE
FILE --> BASE

图表来源

  • pom.xml
  • CrmAppApplication.java
  • AuthApplication.java
  • application.yml
  • application.yml

章节来源

  • pom.xml
  • CrmAppApplication.java
  • AuthApplication.java
  • application.yml
  • application.yml

核心模块

  • crm-auth(认证服务)
    • 职责:用户认证、角色/菜单/部门权限模型、JWT鉴权、数据权限控制、第三方登录(如钉钉)。
    • 关键包:config、controller、domain、mapper、security、service、constant。
    • 典型流程:登录校验→签发/校验JWT→基于注解的数据权限过滤→资源访问。
  • crm-base(基础框架)
    • 职责:全局异常处理、统一响应体、分页、MyBatis-Plus增强、Redis、Jackson、Knife4j、雪花ID、审计字段填充、数据可见性上下文等。
    • 关键包:advice、annotation、config、constant、domain、filter、mapper、security、service、utils。
  • crm-file(文件服务)
    • 职责:文件上传(含分片)、下载、预览(对接kkFileView)、元信息持久化、定时清理孤儿分片。
    • 关键包:api、config、constant、controller、domain、mapper、service、task。
  • crm-app(应用入口)
    • 职责:聚合模块、加载应用配置、启动Spring Boot应用。

章节来源

  • AuthApplication.java
  • CrmAppApplication.java
  • application.yml
  • application.yml

架构总览

下图展示模块间依赖与请求流转:应用入口聚合认证与文件模块,认证模块依赖基础框架的通用能力;文件模块同样依赖基础框架。

graph TB
Client["客户端"] --> App["crm-app<br/>CrmAppApplication"]
App --> Auth["crm-auth<br/>认证服务"]
App --> File["crm-file<br/>文件服务"]
Auth --> Base["crm-base<br/>基础框架"]
File --> Base
Auth --> DB["数据库"]
File --> MinIO["对象存储"]
File --> KK["kkFileView<br/>预览服务"]

图表来源

  • CrmAppApplication.java
  • AuthApplication.java
  • application.yml
  • application.yml

详细组件分析

认证服务(crm-auth)

  • 包结构与职责
    • config:安全配置、权限配置、数据初始化、属性注入。
    • controller:登录、系统相关接口。
    • domain:实体、DTO、枚举、参数。
    • mapper:数据访问映射。
    • security:JWT过滤器、令牌服务、数据权限拦截器、异常处理器。
    • service:认证、用户、角色、菜单、部门等服务接口与实现;第三方登录客户端工厂与实现。
  • 核心流程(登录与鉴权)
sequenceDiagram
participant C as "客户端"
participant AC as "AuthController"
participant AS as "IAuthService"
participant TS as "TokenService"
participant SEC as "JwtAuthenticationFilter"
participant DS as "DataScopeInterceptor"
C->>AC : "POST /auth/login"
AC->>AS : "校验用户名密码"
AS-->>AC : "返回用户信息"
AC->>TS : "生成JWT"
TS-->>AC : "返回token"
AC-->>C : "返回{token, user}"
C->>SEC : "携带Authorization头访问受保护接口"
SEC->>SEC : "解析并校验JWT"
SEC-->>C : "设置当前登录用户上下文"
C->>DS : "触发数据权限拦截"
DS-->>C : "根据数据范围过滤查询"

图表来源

  • AuthController.java

  • IAuthService.java

  • AuthServiceImpl.java

  • TokenService.java

  • JwtAuthenticationFilter.java

  • DataScopeInterceptor.java

  • 第三方登录扩展

    • 通过工厂模式注册不同平台客户端,新增平台只需实现接口并注册到工厂。
classDiagram
class ThirdPartyAuthClient {
+ "获取第三方用户信息()"
}
class DingTalkAuthClient {
+ "获取第三方用户信息()"
}
class ThirdPartyAuthClientFactory {
+ "获取客户端(平台)"
}
ThirdPartyAuthClient <|-- DingTalkAuthClient
ThirdPartyAuthClientFactory --> ThirdPartyAuthClient : "创建/获取"

图表来源

  • ThirdPartyAuthClient.java

  • DingTalkAuthClient.java

  • ThirdPartyAuthClientFactory.java

  • 数据权限与可见性

    • 使用注解+拦截器实现数据范围控制,结合基础框架的数据可见性上下文。
flowchart TD
Start(["进入方法"]) --> CheckAnno["检查@DataScope注解"]
CheckAnno --> HasAnno{"存在注解?"}
HasAnno --> |否| Proceed["直接执行"]
HasAnno --> |是| BuildScope["构建数据范围SQL片段"]
BuildScope --> Inject["注入到查询条件"]
Inject --> Proceed
Proceed --> End(["返回结果"])

图表来源

  • DataScopeInterceptor.java

  • DataScopeTables.java

  • DataScope.java

  • DataScopeHelper.java

  • DataVisibilityContext.java

  • 领域模型与权限模型

classDiagram
class AuthUser {
+ "用户基本信息"
}
class SysRole {
+ "角色信息"
}
class SysMenu {
+ "菜单信息"
}
class SysDept {
+ "部门信息"
}
class AuthIdentity {
+ "第三方身份绑定"
}
AuthUser --> SysRole : "多对多"
SysRole --> SysMenu : "多对多"
AuthUser --> SysDept : "多对多"
AuthUser --> AuthIdentity : "一对多"

图表来源

  • AuthUser.java
  • SysRole.java
  • SysMenu.java
  • SysDept.java
  • AuthIdentity.java

章节来源

  • AuthController.java
  • SystemController.java
  • IAuthService.java
  • AuthServiceImpl.java
  • IAuthUserService.java
  • AuthUserServiceImpl.java
  • ISysRoleService.java
  • SysRoleServiceImpl.java
  • ISysMenuService.java
  • SysMenuServiceImpl.java
  • ISysDeptService.java
  • SysDeptServiceImpl.java
  • TokenService.java
  • JwtAuthenticationFilter.java
  • DataScopeInterceptor.java
  • DataScopeTables.java
  • SecurityExceptionHandlers.java
  • ThirdPartyAuthClientFactory.java
  • ThirdPartyAuthClient.java
  • DingTalkAuthClient.java
  • ThirdPartyUserInfo.java
  • AuthUser.java
  • SysRole.java
  • SysMenu.java
  • SysDept.java
  • AuthIdentity.java
  • LoginParam.java
  • LoginResultDTO.java
  • UserInfoDTO.java
  • AuthConstants.java
  • SecurityConfig.java
  • PermissionConfig.java
  • DataInitializer.java
  • AuthProperties.java

基础框架(crm-base)

  • 职责概览
    • 统一异常处理与错误码、统一响应体、分页封装。
    • MyBatis-Plus增强(自动填充、批量插入更新、SQL注入器)。
    • Redis、Jackson、Knife4j配置。
    • 雪花ID生成与属性配置。
    • 数据权限注解与辅助工具、登录用户上下文与安全工具。
    • 通用实体基类、DTO/Param基类、工具类集合。
  • 关键类与关系
classDiagram
class GlobalExceptionHandlerAdvice {
+ "统一异常处理"
}
class Result~T~ {
+ "统一响应体"
}
class PageResult~T~ {
+ "分页结果"
}
class BaseEntity {
+ "公共字段"
}
class OwnedEntity {
+ "数据归属字段"
}
class DataScope {
+ "数据范围注解"
}
class DataScopeHelper {
+ "构建数据范围SQL"
}
class DataVisibilityContext {
+ "数据可见性上下文"
}
class LoginUser {
+ "登录用户信息"
}
class SecurityUtils {
+ "安全工具方法"
}
class BaseServiceImpl {
+ "基础CRUD服务实现"
}
class IBaseService {
+ "基础服务接口"
}
GlobalExceptionHandlerAdvice --> Result : "封装响应"
BaseServiceImpl --> IBaseService : "实现"
OwnedEntity --|> BaseEntity : "继承"
DataScopeHelper --> DataVisibilityContext : "使用"
SecurityUtils --> LoginUser : "获取上下文"

图表来源

  • GlobalExceptionHandlerAdvice.java
  • Result.java
  • PageResult.java
  • BaseEntity.java
  • OwnedEntity.java
  • DataScope.java
  • DataScopeHelper.java
  • DataVisibilityContext.java
  • LoginUser.java
  • SecurityUtils.java
  • BaseServiceImpl.java
  • IBaseService.java

章节来源

  • GlobalExceptionHandlerAdvice.java
  • MybatisPlusConfig.java
  • RedisConfig.java
  • JacksonConfig.java
  • Knife4jConfig.java
  • MetaObjectFillHandler.java
  • CustomIdGenerator.java
  • SnowflakeIdWorker.java
  • SnowflakeProperties.java
  • InsertBatchOnDuplicateKeyUpdate.java
  • CrmSqlInjector.java
  • CommonConstants.java
  • BaseEntity.java
  • OwnedEntity.java
  • BaseDTO.java
  • BaseParam.java
  • PageResult.java
  • Result.java
  • ResultCodeEnum.java
  • BusinessErrorException.java
  • MissingParameterException.java
  • PermissionErrorException.java
  • ResourceNotExistException.java
  • TraceIdFilter.java
  • DataScope.java
  • DataOwnership.java
  • DataScopeHelper.java
  • DataScopeLevel.java
  • DataVisibilityContext.java
  • LoginUser.java
  • SecurityUtils.java
  • AssertUtils.java
  • BeanCopyUtils.java
  • EnumUtils.java
  • ExcelUtil.java
  • PageConverter.java
  • ServletUtils.java
  • TreeUtils.java

文件服务(crm-file)

  • 包结构与职责
    • api:对外API抽象。
    • config:MinIO、调度任务、文件属性配置。
    • controller:文件上传、下载、预览接口。
    • domain:文件元信息实体、DTO、上传会话。
    • mapper:文件元信息持久化。
    • service:文件API实现、文件信息服务、kkFileView客户端。
    • task:定时清理孤儿分片。
  • 上传流程(分片)
sequenceDiagram
participant C as "客户端"
participant FC as "FileController"
participant FA as "FileApi"
participant FS as "FileInfoServiceImpl"
participant MINIO as "MinIO"
participant KK as "kkFileView"
C->>FC : "发起分片上传初始化"
FC->>FA : "创建上传会话"
FA->>FS : "记录会话/分片索引"
FS-->>FA : "返回会话ID"
FA-->>C : "返回会话ID"
loop "分片上传"
C->>FC : "上传分片(chunk)"
FC->>FS : "保存分片到临时目录/MinIO"
FS-->>FC : "确认分片完成"
end
C->>FC : "合并分片"
FC->>FS : "合并并生成文件元信息"
FS->>MINIO : "最终文件落盘"
FS-->>FC : "返回文件信息"
C->>KK : "请求预览链接"
KK-->>C : "返回预览地址"

图表来源

  • FileController.java
  • FileApi.java
  • FileApiImpl.java
  • FileInfoServiceImpl.java
  • IFileInfoService.java
  • KkFileViewClient.java
  • MinioConfig.java
  • SchedulingConfig.java
  • OrphanChunkCleanupTask.java

章节来源

  • FileController.java
  • FileApi.java
  • FileApiImpl.java
  • FileInfoServiceImpl.java
  • IFileInfoService.java
  • KkFileViewClient.java
  • MinioConfig.java
  • SchedulingConfig.java
  • OrphanChunkCleanupTask.java
  • FileProperties.java
  • FileInfoMapper.java
  • FileInfo.java
  • FileDownloadDTO.java
  • FileInfoDTO.java
  • MultipartInitDTO.java
  • UploadSession.java
  • FileConstants.java

应用入口(crm-app)

  • 职责:聚合模块、加载配置文件、启动Spring Boot应用。
  • 关键点:确保扫描到各模块的包路径,正确引入依赖。

章节来源

  • CrmAppApplication.java
  • application.yml

依赖关系分析

  • 模块依赖
    • crm-app 依赖 crm-auth、crm-file。
    • crm-auth、crm-file 均依赖 crm-base。
  • 运行时依赖
    • crm-auth 依赖数据库(MyBatis-Plus)、Redis(可选用于缓存)、JWT库。
    • crm-file 依赖对象存储(MinIO)、外部预览服务(kkFileView)。
  • 内部通信
    • 通过REST API暴露接口,模块间通过Spring Bean注入协作。
    • 认证模块通过安全上下文传递登录用户信息,供其他模块读取。
graph LR
APP["crm-app"] --> AUTH["crm-auth"]
APP --> FILE["crm-file"]
AUTH --> BASE["crm-base"]
FILE --> BASE
AUTH --> DB["数据库"]
FILE --> MINIO["MinIO"]
FILE --> KK["kkFileView"]

图表来源

  • pom.xml
  • CrmAppApplication.java
  • AuthApplication.java
  • application.yml
  • application.yml

章节来源

  • pom.xml
  • CrmAppApplication.java
  • AuthApplication.java
  • application.yml
  • application.yml

性能考虑

  • 认证模块
    • JWT无状态校验,减少服务端状态压力;合理设置过期时间。
    • 数据权限SQL片段在拦截器中动态注入,避免全表扫描;建议为常用查询字段建立索引。
  • 基础框架
    • 分页使用PageResult封装,避免一次性拉取大量数据。
    • 批量插入更新使用InsertBatchOnDuplicateKeyUpdate提升写入性能。
    • 雪花ID分布式唯一,降低热点冲突。
  • 文件服务
    • 分片上传提升大文件稳定性与并发;合并后落盘MinIO,减轻本地磁盘压力。
    • 定时清理孤儿分片,防止存储空间泄漏。
    • 预览通过kkFileView异步或直链方式,避免阻塞主线程。

[本节为通用指导,不直接分析具体文件]

故障排查指南

  • 认证相关问题
    • 登录失败:检查用户名密码、账号状态、第三方回调配置。
    • 权限不足:检查角色-菜单授权、数据范围注解是否生效。
    • JWT失效:检查TokenService配置、过期策略、客户端是否正确携带Authorization头。
  • 文件相关问题
    • 上传失败:检查MinIO连接、分片大小限制、临时目录权限。
    • 预览失败:检查kkFileView服务可达性与配置。
    • 空间占用异常:检查OrphanChunkCleanupTask是否正常运行。
  • 基础框架问题
    • 统一异常未捕获:检查GlobalExceptionHandlerAdvice是否生效。
    • 分页异常:检查PageConverter与前端分页参数一致性。
    • 审计字段缺失:检查MetaObjectFillHandler是否启用。

章节来源

  • GlobalExceptionHandlerAdvice.java
  • SecurityExceptionHandlers.java
  • TokenService.java
  • JwtAuthenticationFilter.java
  • OrphanChunkCleanupTask.java
  • MinioConfig.java
  • KkFileViewClient.java
  • MetaObjectFillHandler.java
  • PageConverter.java

结论

本CRM后端采用清晰的多模块架构,认证、文件与基础框架职责边界明确,具备良好的可扩展性与可维护性。通过统一的异常处理、分页、数据权限与工具集,开发者可以快速构建业务功能。建议在新增第三方登录或文件存储时,遵循现有扩展点与配置约定,保持模块内聚与低耦合。

[本节为总结,不直接分析具体文件]

附录:配置与扩展点

  • 认证模块配置
    • 安全配置:SecurityConfig、PermissionConfig。
    • 数据初始化:DataInitializer。
    • 属性注入:AuthProperties。
    • 扩展点:新增第三方登录需实现ThirdPartyAuthClient并注册到ThirdPartyAuthClientFactory。
  • 基础框架配置
    • MyBatis-Plus:MybatisPlusConfig、CrmSqlInjector、MetaObjectFillHandler、InsertBatchOnDuplicateKeyUpdate。
    • 缓存与序列化:RedisConfig、JacksonConfig。
    • API文档:Knife4jConfig。
    • ID生成:CustomIdGenerator、SnowflakeIdWorker、SnowflakeProperties。
    • 数据权限:DataScope注解、DataScopeHelper、DataVisibilityContext。
  • 文件服务配置
    • 对象存储:MinioConfig。
    • 调度任务:SchedulingConfig、OrphanChunkCleanupTask。
    • 文件属性:FileProperties。
    • 预览服务:KkFileViewClient。
  • 应用入口配置
    • 统一启动:CrmAppApplication。
    • 应用配置:application.yml。

章节来源

  • SecurityConfig.java
  • PermissionConfig.java
  • DataInitializer.java
  • AuthProperties.java
  • ThirdPartyAuthClientFactory.java
  • ThirdPartyAuthClient.java
  • MybatisPlusConfig.java
  • CrmSqlInjector.java
  • MetaObjectFillHandler.java
  • InsertBatchOnDuplicateKeyUpdate.java
  • RedisConfig.java
  • JacksonConfig.java
  • Knife4jConfig.java
  • CustomIdGenerator.java
  • SnowflakeIdWorker.java
  • SnowflakeProperties.java
  • DataScope.java
  • DataScopeHelper.java
  • DataVisibilityContext.java
  • MinioConfig.java
  • SchedulingConfig.java
  • OrphanChunkCleanupTask.java
  • FileProperties.java
  • KkFileViewClient.java
  • CrmAppApplication.java
  • application.yml