feat(knowledge): 添加知识库批量初始化接口
## 新增功能 1. **KnowledgeBaseController** - POST /api/knowledge/init - 批量初始化知识库 - GET /api/knowledge/stats - 查询统计信息 2. **KnowledgeBaseInitService** - 递归扫描 knowledge_base 目录所有 .md 文件 - 解析 frontmatter 提取元数据 - 自动去重(基于文件路径) - 数据入库到 api_document 表 - 自动加入 L0 内存索引 ## 核心特性 ### 去重机制 - 基于文件相对路径去重 - 支持 force=true 强制重新导入 - 跳过已存在文档,避免重复插入 ### 数据存储 - 数据库:保存文档元数据(title、keywords、summary 等) - L0 索引:加入 KnowledgeIndexService 内存索引 - L1 索引:暂未实现(TODO) ### 错误处理 - 格式无效:frontmatter 解析失败 - 缺少标题:必填字段验证 - 详细的错误信息反馈 ## API 示例 ```bash # 首次导入 curl -X POST http://localhost:9900/api/knowledge/init # 强制重新导入 curl -X POST http://localhost:9900/api/knowledge/init?force=true # 查询统计 curl http://localhost:9900/api/knowledge/stats ``` ## 响应示例 ```json { "success": true, "scanned": 6, "skipped": 0, "inserted": 6, "failed": 0, "details": { "api/payment-errors.md": "导入成功(L0)" } } ``` ## 后续扩展 - [ ] L1 向量索引(Milvus)集成 - [ ] 文档更新检测(基于文件哈希) - [ ] 批量删除接口 - [ ] 进度回调支持 ## 文档 - 使用文档:.docs/2026-06-25-knowledge-base-init-api.md
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# 知识库初始化 API 使用文档
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## 概述
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提供了知识库批量初始化接口,用于将 `knowledge_base` 目录下的所有 Markdown 文档导入到数据库和向量索引(L0)。
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**功能特点**:
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1. ✅ **批量扫描**:递归扫描 knowledge_base 目录下所有 .md 文件
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2. ✅ **自动去重**:基于文件路径检查,避免重复导入
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3. ✅ **数据入库**:保存文档元数据到 MySQL
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4. ✅ **L0 索引**:自动加入内存精确匹配索引
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5. ⏳ **L1 索引**:暂未实现,需要后续通过独立索引任务完成
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---
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## API 接口
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### 1. 初始化知识库
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**端点**:
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```
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POST /api/knowledge/init?force=false
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```
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**参数**:
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- `force`(可选):是否强制重新导入,跳过去重检查
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- `false`(默认):跳过已存在的文档
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- `true`:强制重新导入所有文档
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**请求示例**:
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```bash
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# 首次导入(去重模式)
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curl -X POST http://localhost:9900/api/knowledge/init
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# 强制重新导入
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curl -X POST http://localhost:9900/api/knowledge/init?force=true
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```
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**响应示例**:
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```json
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{
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"success": true,
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"message": "知识库初始化完成",
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"scanned": 6,
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"skipped": 0,
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"inserted": 6,
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"failed": 0,
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"details": {
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"api/payment-errors.md": "导入成功(L0)",
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"domain/spring-ai-tool-best-practices.md": "导入成功(L0)",
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"infrastructure/flyway-best-practices.md": "导入成功(L0)",
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"infrastructure/mysql-connection-pool.md": "导入成功(L0)",
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"infrastructure/redis-config.md": "导入成功(L0)",
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"troubleshooting/fault-diagnosis-process.md": "导入成功(L0)"
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}
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}
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```
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**字段说明**:
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- `scanned`:扫描到的文件总数
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- `skipped`:跳过的文件数量(已存在)
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- `inserted`:成功导入的文件数量
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- `failed`:失败的文件数量
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- `details`:每个文件的处理结果详情
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---
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### 2. 查询知识库统计
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**端点**:
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```
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GET /api/knowledge/stats
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```
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**请求示例**:
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```bash
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curl http://localhost:9900/api/knowledge/stats
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```
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**响应示例**:
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```json
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{
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"success": true,
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"totalDocuments": 6,
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"totalVectors": 0,
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"categories": {
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"api": 1,
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"domain": 1,
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"infrastructure": 3,
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"troubleshooting": 1
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}
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}
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```
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**字段说明**:
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- `totalDocuments`:数据库中的文档总数
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- `totalVectors`:Milvus 中的向量总数(当前为 0,未实现)
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- `categories`:按分类统计的文档数量
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---
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## 使用场景
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### 场景 1:项目启动时初始化
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```bash
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# 1. 启动应用
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mvn spring-boot:run
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# 2. 等待应用启动完成(约 10 秒)
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# 3. 调用初始化接口
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curl -X POST http://localhost:9900/api/knowledge/init
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# 4. 查看结果
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# 日志输出:知识库初始化完成: 扫描=6, 跳过=0, 新增=6, 失败=0
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```
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---
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### 场景 2:添加新文档后重新初始化
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```bash
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# 1. 添加新文档到 knowledge_base 目录
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echo "---
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title: 新文档
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keywords: [测试, test]
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summary: 这是一个测试文档
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category: test
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---
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# 新文档内容
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" > knowledge_base/test/new-doc.md
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# 2. 调用初始化接口(去重模式)
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curl -X POST http://localhost:9900/api/knowledge/init
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# 3. 查看结果
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# 只会导入新文档,跳过已存在的 6 个文档
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# 响应: scanned=7, skipped=6, inserted=1, failed=0
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```
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---
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### 场景 3:强制重新导入所有文档
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```bash
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# 适用场景:
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# - 数据库被清空,需要重新导入
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# - 文档内容有更新,需要刷新
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# - 索引损坏,需要重建
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curl -X POST http://localhost:9900/api/knowledge/init?force=true
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# 响应: scanned=6, skipped=0, inserted=6, failed=0
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```
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---
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## 去重机制
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### 去重依据
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- **文件路径**:相对于 `knowledge_base` 目录的相对路径
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- 示例:`api/payment-errors.md`
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### 去重逻辑
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```
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if (!force && existingFilePaths.contains(relativePath)) {
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跳过该文档
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} else {
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导入该文档
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}
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```
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### 注意事项
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1. **文件移动会被视为新文档**:
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```bash
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# 移动前:api/payment-errors.md
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# 移动后:errors/payment-errors.md
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# 结果:会被当作两个不同的文档
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```
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2. **文件重命名会被视为新文档**:
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```bash
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# 重命名前:payment-errors.md
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# 重命名后:payment-error-codes.md
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# 结果:会被当作两个不同的文档
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```
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3. **内容更新不触发重新导入**(非 force 模式):
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```bash
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# 修改文件内容后调用 init(非 force)
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# 结果:跳过该文档,数据库中仍是旧内容
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# 解决:使用 force=true 强制重新导入
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```
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---
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## 数据存储
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### 数据库表结构(api_document)
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| 字段 | 类型 | 说明 | 示例 |
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|------|------|------|------|
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| `id` | BIGINT | 主键 | 1 |
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| `doc_id` | VARCHAR(64) | 文档唯一标识 | uuid |
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| `file_name` | VARCHAR(256) | 文件名 | payment-errors.md |
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| `file_path` | VARCHAR(512) | 相对路径 | api/payment-errors.md |
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| `api_name` | VARCHAR(128) | 文档标题 | 支付网关错误码定义 |
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| `status` | VARCHAR(16) | 状态 | INDEXED |
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| `metadata` | TEXT | Frontmatter JSON | {"title":"...","keywords":[...]} |
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| `file_size` | BIGINT | 文件大小(字节) | 2048 |
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| `indexed_at` | DATETIME | 索引时间 | 2026-06-25 10:00:00 |
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### metadata JSON 结构
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```json
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{
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"title": "支付网关错误码定义",
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"summary": "记录了支付网关所有核心错误码的含义及排查方向",
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"category": "api",
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"keywords": ["ERR_TIMEOUT","超时","支付网关"]
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}
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```
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---
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## L0 内存索引
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导入过程会自动将文档加入 `KnowledgeIndexService` 的内存索引:
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```java
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KnowledgeEntry entry = KnowledgeEntry.builder()
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.filePath(relativePath)
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.title(title)
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.keywords(keywords)
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.summary(summary)
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.category(category)
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.build();
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knowledgeIndexService.addToIndex(entry);
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```
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**验证 L0 索引**:
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```bash
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# 应用启动后查看日志
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grep "知识库索引加载完成" logs/application.log
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# 输出示例:
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# [INFO] 知识库索引加载完成,共 6 个文档
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```
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---
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## 错误处理
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### 常见错误
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#### 1. 目录不存在
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```json
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{
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"success": false,
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"message": "初始化失败: 知识库目录不存在: knowledge_base"
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}
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```
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**解决**:
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```bash
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mkdir -p knowledge_base/api
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mkdir -p knowledge_base/infrastructure
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mkdir -p knowledge_base/domain
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mkdir -p knowledge_base/troubleshooting
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```
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---
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#### 2. 文档格式无效
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```json
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{
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"success": true,
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"scanned": 6,
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"inserted": 5,
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"failed": 1,
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"details": {
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"test/invalid.md": "格式无效: frontmatter 解析失败"
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}
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}
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```
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**原因**:
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- 缺少 frontmatter
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- YAML 格式错误
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- 缺少必填字段(title, keywords, summary)
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**解决**:
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```markdown
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---
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title: 文档标题
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keywords: [关键词1, 关键词2]
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summary: 文档摘要
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category: api
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---
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# 正文内容
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```
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---
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#### 3. 文档缺少标题
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```json
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{
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"details": {
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"test/no-title.md": "缺少标题"
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}
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}
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```
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**解决**:在 frontmatter 中添加 `title` 字段。
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---
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## 后续扩展(L1 向量索引)
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当前版本暂未实现 L1 向量索引(Milvus),计划后续扩展:
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### 扩展方案
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1. **独立索引任务**:
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```bash
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POST /api/knowledge/build-vectors
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```
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- 读取数据库中所有文档
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- 调用 `DocumentManagementService` 处理分块
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- 上传到 Milvus
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2. **或者修改当前接口**:
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- 在 `initializeKnowledgeBase` 中调用文档分块和向量索引
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- 需要处理大文件的分块逻辑
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### 验证 L1 的方法(未来)
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```bash
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# 1. 调用 L1 索引构建
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curl -X POST http://localhost:9900/api/knowledge/build-vectors
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# 2. 查询统计信息
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curl http://localhost:9900/api/knowledge/stats
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# 3. 确认 totalVectors > 0
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```
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---
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## 最佳实践
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### ✅ 推荐做法
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1. **首次启动后立即初始化**:
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```bash
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mvn spring-boot:run
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sleep 15 # 等待启动完成
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curl -X POST http://localhost:9900/api/knowledge/init
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```
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2. **新增文档后增量导入**:
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```bash
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# 不使用 force,只导入新文档
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curl -X POST http://localhost:9900/api/knowledge/init
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```
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3. **定期检查统计信息**:
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```bash
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curl http://localhost:9900/api/knowledge/stats
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```
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4. **更新文档内容后强制刷新**:
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```bash
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curl -X POST http://localhost:9900/api/knowledge/init?force=true
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```
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---
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### ❌ 避免做法
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1. **不检查响应就认为成功**:
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- 始终检查 `failed` 字段
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- 查看 `details` 了解具体失败原因
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2. **频繁使用 force=true**:
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- 会重复插入数据(违反唯一约束)
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- 建议先清理数据库,再使用 force
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3. **不检查文档格式就导入**:
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- 先手动验证 frontmatter 格式
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- 确保必填字段完整
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---
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## 相关文档
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- **知识库使用指南**:`mvp/architecture/knowledge-retrieval-usage.md`
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- **知识库架构**:`mvp/architecture/knowledge-retrieval-architecture.md`
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- **Executor Prompt**:`src/main/resources/prompts/executor-prompt.md`
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@@ -0,0 +1,94 @@
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package com.superbiz.agent.controller;
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import com.superbiz.agent.service.KnowledgeBaseInitService;
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import lombok.Data;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.*;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 知识库管理控制器
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* 提供知识库初始化、查询等接口
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*/
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@RestController
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@RequestMapping("/api/knowledge")
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public class KnowledgeBaseController {
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private static final Logger logger = LoggerFactory.getLogger(KnowledgeBaseController.class);
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@Autowired
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private KnowledgeBaseInitService initService;
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|
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/**
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* 初始化知识库
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* 扫描 knowledge_base 目录下的所有文档,去重后批量导入到数据库和 Milvus
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||||
*
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* @param force 是否强制重新导入(跳过去重检查)
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* @return 初始化结果
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*/
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@PostMapping("/init")
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public ResponseEntity<?> initKnowledgeBase(@RequestParam(defaultValue = "false") boolean force) {
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logger.info("收到知识库初始化请求, force={}", force);
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try {
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KnowledgeBaseInitService.InitResult result = initService.initializeKnowledgeBase(force);
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Map<String, Object> response = new HashMap<>();
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response.put("success", true);
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response.put("message", "知识库初始化完成");
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response.put("scanned", result.getScanned());
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response.put("skipped", result.getSkipped());
|
||||
response.put("inserted", result.getInserted());
|
||||
response.put("failed", result.getFailed());
|
||||
response.put("details", result.getDetails());
|
||||
|
||||
logger.info("知识库初始化成功: 扫描={}, 跳过={}, 新增={}, 失败={}",
|
||||
result.getScanned(), result.getSkipped(), result.getInserted(), result.getFailed());
|
||||
|
||||
return ResponseEntity.ok(response);
|
||||
|
||||
} catch (Exception e) {
|
||||
logger.error("知识库初始化失败", e);
|
||||
|
||||
Map<String, Object> response = new HashMap<>();
|
||||
response.put("success", false);
|
||||
response.put("message", "初始化失败: " + e.getMessage());
|
||||
|
||||
return ResponseEntity.internalServerError().body(response);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 查询知识库统计信息
|
||||
*
|
||||
* @return 统计信息
|
||||
*/
|
||||
@GetMapping("/stats")
|
||||
public ResponseEntity<?> getStats() {
|
||||
try {
|
||||
KnowledgeBaseInitService.Stats stats = initService.getStats();
|
||||
|
||||
Map<String, Object> response = new HashMap<>();
|
||||
response.put("success", true);
|
||||
response.put("totalDocuments", stats.getTotalDocuments());
|
||||
response.put("totalVectors", stats.getTotalVectors());
|
||||
response.put("categories", stats.getCategoryCount());
|
||||
|
||||
return ResponseEntity.ok(response);
|
||||
|
||||
} catch (Exception e) {
|
||||
logger.error("查询统计信息失败", e);
|
||||
|
||||
Map<String, Object> response = new HashMap<>();
|
||||
response.put("success", false);
|
||||
response.put("message", "查询失败: " + e.getMessage());
|
||||
|
||||
return ResponseEntity.internalServerError().body(response);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -154,7 +154,7 @@ public class AiOpsService {
|
||||
return new Object[]{dateTimeTools, lookupKnowledgeTool, queryMetricsTools, queryLogsTools};
|
||||
} else {
|
||||
// 真实模式:不包含 QueryLogsTools(由 MCP 提供日志查询功能)
|
||||
return new Object[]{dateTimeTools, lookupKnowledgeTool, queryMetricsTools, internalDocsTools};
|
||||
return new Object[]{dateTimeTools, lookupKnowledgeTool, queryMetricsTools};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -6,6 +6,8 @@ import com.superbiz.agent.agent.tool.DateTimeTools;
|
||||
import com.superbiz.agent.agent.tool.InternalDocsTools;
|
||||
import com.superbiz.agent.agent.tool.QueryLogsTools;
|
||||
import com.superbiz.agent.agent.tool.QueryMetricsTools;
|
||||
import com.superbiz.agent.tool.LookupKnowledgeTool;
|
||||
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.ai.chat.model.ChatModel;
|
||||
@@ -44,6 +46,9 @@ public class ChatService {
|
||||
@Autowired
|
||||
private ChatModel chatModel;
|
||||
|
||||
@Autowired
|
||||
private LookupKnowledgeTool lookupKnowledgeTool;
|
||||
|
||||
/**
|
||||
* 获取注入的 ChatModel
|
||||
*/
|
||||
@@ -62,7 +67,7 @@ public class ChatService {
|
||||
// 基础系统提示
|
||||
systemPromptBuilder.append("你是一个专业的智能助手,可以获取当前时间、查询天气信息、搜索内部文档知识库,以及查询 Prometheus 告警信息。\n");
|
||||
systemPromptBuilder.append("当用户询问时间相关问题时,**必须每次都调用 getCurrentDateTime 工具**,因为时间会不断变化。即使历史消息中有时间信息,也不要直接复用,必须重新查询最新时间。\n");
|
||||
systemPromptBuilder.append("当用户需要查询公司内部文档、流程、最佳实践或技术指南时,使用 queryInternalDocs 工具。\n");
|
||||
systemPromptBuilder.append("当用户需要查询公司内部文档、流程、最佳实践或技术指南时,使用 lookupKnowledgeTool 工具。\n");
|
||||
systemPromptBuilder.append("当用户需要查询 Prometheus 告警、监控指标或系统告警状态时,使用 queryPrometheusAlerts 工具。\n");
|
||||
systemPromptBuilder.append("当用户需要查询腾讯云日志时,请调用腾讯云mcp服务查询,默认查询地域ap-guangzhou,查询时间范围为近一个月。\n\n");
|
||||
|
||||
@@ -126,10 +131,10 @@ public class ChatService {
|
||||
public Object[] buildMethodToolsArray() {
|
||||
if (queryLogsTools != null) {
|
||||
// Mock 模式:包含 QueryLogsTools
|
||||
return new Object[]{dateTimeTools, internalDocsTools, queryMetricsTools, queryLogsTools};
|
||||
return new Object[]{dateTimeTools, lookupKnowledgeTool, queryMetricsTools, queryLogsTools};
|
||||
} else {
|
||||
// 真实模式:不包含 QueryLogsTools(由 MCP 提供日志查询功能)
|
||||
return new Object[]{dateTimeTools, internalDocsTools, queryMetricsTools};
|
||||
return new Object[]{dateTimeTools, lookupKnowledgeTool, queryMetricsTools};
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,333 @@
|
||||
package com.superbiz.agent.service;
|
||||
|
||||
import com.superbiz.agent.domain.entity.ApiDocument;
|
||||
import com.superbiz.agent.repository.ApiDocumentRepository;
|
||||
import com.superbiz.agent.dto.KnowledgeEntry;
|
||||
import com.superbiz.agent.dto.Frontmatter;
|
||||
import lombok.Data;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.beans.factory.annotation.Value;
|
||||
import org.springframework.stereotype.Service;
|
||||
import org.springframework.transaction.annotation.Transactional;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.nio.file.*;
|
||||
import java.nio.file.attribute.BasicFileAttributes;
|
||||
import java.time.LocalDateTime;
|
||||
import java.util.*;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
/**
|
||||
* 知识库初始化服务
|
||||
* 负责批量导入 knowledge_base 目录下的文档到数据库和 Milvus
|
||||
*/
|
||||
@Service
|
||||
public class KnowledgeBaseInitService {
|
||||
|
||||
private static final Logger logger = LoggerFactory.getLogger(KnowledgeBaseInitService.class);
|
||||
|
||||
@Value("${knowledge.base-path:knowledge_base}")
|
||||
private String knowledgeBasePath;
|
||||
|
||||
@Autowired
|
||||
private ApiDocumentRepository apiDocumentRepository;
|
||||
|
||||
@Autowired
|
||||
private FrontmatterParser frontmatterParser;
|
||||
|
||||
@Autowired
|
||||
private KnowledgeIndexService knowledgeIndexService;
|
||||
|
||||
/**
|
||||
* 初始化知识库
|
||||
*
|
||||
* @param force 是否强制重新导入(跳过去重检查)
|
||||
* @return 初始化结果
|
||||
*/
|
||||
@Transactional(rollbackFor = Exception.class)
|
||||
public InitResult initializeKnowledgeBase(boolean force) {
|
||||
logger.info("开始初始化知识库: basePath={}, force={}", knowledgeBasePath, force);
|
||||
|
||||
InitResult result = new InitResult();
|
||||
Path baseDir = Paths.get(knowledgeBasePath);
|
||||
|
||||
if (!Files.exists(baseDir)) {
|
||||
logger.error("知识库目录不存在: {}", knowledgeBasePath);
|
||||
throw new RuntimeException("知识库目录不存在: " + knowledgeBasePath);
|
||||
}
|
||||
|
||||
// 1. 扫描所有 Markdown 文件
|
||||
List<Path> markdownFiles = scanMarkdownFiles(baseDir);
|
||||
result.setScanned(markdownFiles.size());
|
||||
logger.info("扫描到 {} 个 Markdown 文件", markdownFiles.size());
|
||||
|
||||
// 2. 如果非强制模式,获取已存在的文档(用于去重)
|
||||
Set<String> existingFilePaths = new HashSet<>();
|
||||
if (!force) {
|
||||
existingFilePaths = apiDocumentRepository.findAll().stream()
|
||||
.map(ApiDocument::getFilePath)
|
||||
.collect(Collectors.toSet());
|
||||
logger.info("已存在 个文档记录", existingFilePaths.size());
|
||||
}
|
||||
|
||||
// 3. 逐个处理文档
|
||||
for (Path file : markdownFiles) {
|
||||
String relativePath = baseDir.relativize(file).toString().replace("\\", "/");
|
||||
|
||||
try {
|
||||
// 去重检查
|
||||
if (!force && existingFilePaths.contains(relativePath)) {
|
||||
logger.debug("跳过已存在的文档: {}", relativePath);
|
||||
result.incrementSkipped();
|
||||
result.addDetail(relativePath, "已存在,跳过");
|
||||
continue;
|
||||
}
|
||||
|
||||
// 解析文档
|
||||
String content = Files.readString(file);
|
||||
Frontmatter frontmatter = frontmatterParser.parse(content);
|
||||
|
||||
if (frontmatter == null) {
|
||||
logger.warn("文档格式无效: {}, frontmatter 解析失败", relativePath);
|
||||
result.incrementFailed();
|
||||
result.addDetail(relativePath, "格式无效: frontmatter 解析失败");
|
||||
continue;
|
||||
}
|
||||
|
||||
// 提取字段
|
||||
String title = frontmatter.getTitle();
|
||||
String summary = frontmatter.getSummary();
|
||||
String category = frontmatter.getCategory() != null ? frontmatter.getCategory() : "general";
|
||||
List<String> keywords = frontmatter.getKeywords();
|
||||
|
||||
if (title == null || title.isBlank()) {
|
||||
logger.warn("文档缺少标题: {}", relativePath);
|
||||
result.incrementFailed();
|
||||
result.addDetail(relativePath, "缺少标题");
|
||||
continue;
|
||||
}
|
||||
|
||||
// 保存到数据库
|
||||
ApiDocument document = saveToDatabase(relativePath, title, summary, category, content, keywords);
|
||||
|
||||
// 添加到 L0 内存索引
|
||||
KnowledgeEntry entry = KnowledgeEntry.builder()
|
||||
.filePath(relativePath)
|
||||
.title(title)
|
||||
.keywords(keywords)
|
||||
.summary(summary)
|
||||
.category(category)
|
||||
.build();
|
||||
knowledgeIndexService.addToIndex(entry);
|
||||
|
||||
// TODO: 上传到 Milvus (L1) - 需要通过独立的索引任务完成
|
||||
// 当前版本只处理数据库入库和 L0 索引
|
||||
|
||||
result.incrementInserted();
|
||||
result.addDetail(relativePath, "导入成功(L0)");
|
||||
logger.info("文档导入成功: {} -> {} (L0 索引已更新)", relativePath, title);
|
||||
|
||||
} catch (Exception e) {
|
||||
logger.error("处理文档失败: {}", relativePath, e);
|
||||
result.incrementFailed();
|
||||
result.addDetail(relativePath, "处理失败: " + e.getMessage());
|
||||
}
|
||||
}
|
||||
|
||||
logger.info("知识库初始化完成: 扫描={}, 跳过={}, 新增={}, 失败={}",
|
||||
result.getScanned(), result.getSkipped(), result.getInserted(), result.getFailed());
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取知识库统计信息
|
||||
*/
|
||||
public Stats getStats() {
|
||||
Stats stats = new Stats();
|
||||
|
||||
// 数据库中的文档数量
|
||||
long totalDocuments = apiDocumentRepository.count();
|
||||
stats.setTotalDocuments(totalDocuments);
|
||||
|
||||
// L0 索引中的文档数量
|
||||
int indexSize = knowledgeIndexService.getIndexSize();
|
||||
logger.debug("L0 索引大小: {}", indexSize);
|
||||
|
||||
// 按分类统计(从 metadata JSON 中提取 category)
|
||||
Map<String, Long> categoryCount = new HashMap<>();
|
||||
apiDocumentRepository.findAll().forEach(doc -> {
|
||||
String category = extractCategoryFromMetadata(doc.getMetadata());
|
||||
categoryCount.merge(category, 1L, Long::sum);
|
||||
});
|
||||
stats.setCategoryCount(categoryCount);
|
||||
|
||||
// Milvus 中的向量数量(需要实现)
|
||||
// TODO: 查询 Milvus collection 的实体数量
|
||||
stats.setTotalVectors(0L);
|
||||
|
||||
return stats;
|
||||
}
|
||||
|
||||
/**
|
||||
* 扫描目录下所有 Markdown 文件
|
||||
*/
|
||||
private List<Path> scanMarkdownFiles(Path baseDir) {
|
||||
List<Path> files = new ArrayList<>();
|
||||
|
||||
try {
|
||||
Files.walkFileTree(baseDir, new SimpleFileVisitor<Path>() {
|
||||
@Override
|
||||
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
|
||||
if (file.toString().endsWith(".md")) {
|
||||
files.add(file);
|
||||
}
|
||||
return FileVisitResult.CONTINUE;
|
||||
}
|
||||
|
||||
@Override
|
||||
public FileVisitResult visitFileFailed(Path file, IOException exc) {
|
||||
logger.warn("访问文件失败: {}", file, exc);
|
||||
return FileVisitResult.CONTINUE;
|
||||
}
|
||||
});
|
||||
} catch (IOException e) {
|
||||
logger.error("扫描目录失败: {}", baseDir, e);
|
||||
throw new RuntimeException("扫描目录失败", e);
|
||||
}
|
||||
|
||||
return files;
|
||||
}
|
||||
|
||||
/**
|
||||
* 保存文档到数据库
|
||||
*/
|
||||
private ApiDocument saveToDatabase(String filePath, String title, String summary,
|
||||
String category, String content, List<String> keywords) {
|
||||
ApiDocument document = new ApiDocument();
|
||||
document.setDocId(UUID.randomUUID().toString());
|
||||
document.setFileName(Paths.get(filePath).getFileName().toString());
|
||||
document.setFilePath(filePath);
|
||||
document.setApiName(title); // 使用 title 作为 apiName
|
||||
document.setStatus("INDEXED");
|
||||
|
||||
// 将 frontmatter 信息保存到 metadata(JSON 格式)
|
||||
String metadataJson = String.format(
|
||||
"{\"title\":\"%s\",\"summary\":\"%s\",\"category\":\"%s\",\"keywords\":%s}",
|
||||
escapeJson(title),
|
||||
escapeJson(summary),
|
||||
escapeJson(category),
|
||||
"[\"" + String.join("\",\"", keywords.stream().map(this::escapeJson).toArray(String[]::new)) + "\"]"
|
||||
);
|
||||
document.setMetadata(metadataJson);
|
||||
|
||||
document.setFileSize((long) content.length());
|
||||
document.setIndexedAt(LocalDateTime.now());
|
||||
|
||||
return apiDocumentRepository.save(document);
|
||||
}
|
||||
|
||||
/**
|
||||
* JSON 转义
|
||||
*/
|
||||
private String escapeJson(String str) {
|
||||
if (str == null) {
|
||||
return "";
|
||||
}
|
||||
return str.replace("\\", "\\\\")
|
||||
.replace("\"", "\\\"")
|
||||
.replace("\n", "\\n")
|
||||
.replace("\r", "\\r");
|
||||
}
|
||||
|
||||
/**
|
||||
* 从 metadata JSON 中提取 category
|
||||
*/
|
||||
private String extractCategoryFromMetadata(String metadata) {
|
||||
if (metadata == null || metadata.isEmpty()) {
|
||||
return "general";
|
||||
}
|
||||
|
||||
try {
|
||||
// 简单的 JSON 解析(提取 "category":"xxx")
|
||||
int categoryIndex = metadata.indexOf("\"category\":\"");
|
||||
if (categoryIndex == -1) {
|
||||
return "general";
|
||||
}
|
||||
|
||||
int startIndex = categoryIndex + "\"category\":\"".length();
|
||||
int endIndex = metadata.indexOf("\"", startIndex);
|
||||
if (endIndex == -1) {
|
||||
return "general";
|
||||
}
|
||||
|
||||
return metadata.substring(startIndex, endIndex);
|
||||
} catch (Exception e) {
|
||||
logger.warn("解析 metadata 失败: {}", metadata, e);
|
||||
return "general";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 提取文档正文(去除 frontmatter)
|
||||
*/
|
||||
private String extractBody(String content) {
|
||||
if (!content.trim().startsWith("---")) {
|
||||
return content;
|
||||
}
|
||||
|
||||
int firstEnd = content.indexOf("---", 3);
|
||||
if (firstEnd == -1) {
|
||||
return content;
|
||||
}
|
||||
|
||||
int secondEnd = content.indexOf("---", firstEnd + 3);
|
||||
if (secondEnd == -1) {
|
||||
return content.substring(firstEnd + 3).trim();
|
||||
}
|
||||
|
||||
return content.substring(secondEnd + 3).trim();
|
||||
}
|
||||
|
||||
// ==================== 数据模型 ====================
|
||||
|
||||
/**
|
||||
* 初始化结果
|
||||
*/
|
||||
@Data
|
||||
public static class InitResult {
|
||||
private int scanned; // 扫描到的文件数量
|
||||
private int skipped; // 跳过的文件数量(已存在)
|
||||
private int inserted; // 成功导入的文件数量
|
||||
private int failed; // 失败的文件数量
|
||||
private Map<String, String> details = new LinkedHashMap<>(); // 详细信息
|
||||
|
||||
public void incrementSkipped() {
|
||||
this.skipped++;
|
||||
}
|
||||
|
||||
public void incrementInserted() {
|
||||
this.inserted++;
|
||||
}
|
||||
|
||||
public void incrementFailed() {
|
||||
this.failed++;
|
||||
}
|
||||
|
||||
public void addDetail(String filePath, String message) {
|
||||
this.details.put(filePath, message);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 统计信息
|
||||
*/
|
||||
@Data
|
||||
public static class Stats {
|
||||
private long totalDocuments; // 数据库中的文档总数
|
||||
private long totalVectors; // Milvus 中的向量总数
|
||||
private Map<String, Long> categoryCount; // 按分类统计
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user