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Claude Code 学习笔记

  • 2026-04-13 21:24:03
Claude Code 学习笔记
Phase 1.1: Agent Loop  智能体循环学习笔记     

Agent Loop 是 Claude Code 的核心运行机制。每次 Claude 处理你的请求时,都会在内部反复执行一个循环。     

📥 用户输入 ↓🧠 理解 → 推理 → 选择工具 ↓🔧 执行 → 观察结果 ↓🔁 继续循环... ↓✅ 任务完成     

1
什么是 Agent Loop

         每次循环包含5 个步骤:     

❶ 理解

综合用户请求 + 历史对话 + 工具返回结果

❷ 推理

判断下一步该做什么

❸ 选择

选择最合适的工具(Read/Bash/Glob/Grep/Agent 等)

❹ 执行

调用工具并等待结果返回

❺ 重复

带着新结果回到第一步,直到任务完成

2
实战演示:3 轮循环分析项目

🔹 第 1 轮:并行收集信息(4 个工具调用)

思考:这 4 个请求互不依赖,可以并行发出。• Glob(**/*) → 获取项目所有文件• Bash(git status) → 获取 git 状态• Bash(ls .claude/) → 获取目录结构• Bash(ls learncc-practice/) → 检查 worktree         

💡 并行调用原则:当多个请求之间没有依赖关系时,Claude 会在同一条消息中并行发出多个工具调用,比串行快得多。         

🔹 第 2 轮:深入读取文件(5 个工具调用)

思考:基于第 1 轮结果,需要深入读取关键配置文件。

• Read(settings.json) → 查看全局配置• Read(settings.local.json) → 查看项目权限

• Read(learning-plan.md) → 查看学习计划• Read(MEMORY.md) → 查看记忆索引• Bash(cat sessions/*.json) → 查看 session 元数据         

💡 串行推理原则:第 2 轮的工具调用是基于第 1 轮结果决定的。         

🔹 第 3 轮:汇总输出(无工具调用)

思考:所有信息已收集完毕,直接整合输出报告。         

3
核心原则

📊 并行 vs 串行

✅ 并行

多个独立请求同一条消息发出

⏱️ 串行

有依赖关系等前一个结果

🛠️ 工具选择决策树

                 📁 找文件 → Glob                 🔍 搜文本 → Grep                 📖 读内容 → Read                 ✏️ 改内容 → Edit                 📝 创文件 → Write                 💻 执行命令 → Bash                 🤖 复杂调研 → Agent                 🌐 网页内容 → WebFetch

4
关键发现

⚙️ 全局配置

             • 模型:qwen3.6-plus             • API 代理:DashScope             • 全局权限:15 条允许规则             • 启用插件:code-review             • Session 数量:6 个             • 项目数量:8 个         

📁 当前项目

             • Git 分支:master(0 commits)             • Worktree:learncc-practice             • 项目权限:5 条允许规则             • 记忆:已建立         

总结:Agent Loop 的本质

Think → Act → Observe → 循环         

理解 Agent Loop 的意义✓ 知道 Claude 如何工作,更好地设计提示词✓ 明白为什么需要多轮交互✓ 预测 Claude 的行为模式✓ 为多 Agent 协同打下基础         

— 完 —

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  1. 请求信息 : 2026-04-14 01:24:23 HTTP/2.0 GET : https://67808.cn/a/480625.html
  2. 运行时间 : 0.096025s [ 吞吐率:10.41req/s ] 内存消耗:4,460.00kb 文件加载:140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=bf2d038d6ef5a9b753fb61ae13aa2bef
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  1. CONNECT:[ UseTime:0.000471s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000748s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000265s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000274s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000534s ]
  6. SELECT * FROM `set` [ RunTime:0.000308s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000589s ]
  8. SELECT * FROM `article` WHERE `id` = 480625 LIMIT 1 [ RunTime:0.006145s ]
  9. UPDATE `article` SET `lasttime` = 1776101063 WHERE `id` = 480625 [ RunTime:0.001017s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000264s ]
  11. SELECT * FROM `article` WHERE `id` < 480625 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000465s ]
  12. SELECT * FROM `article` WHERE `id` > 480625 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002426s ]
  13. SELECT * FROM `article` WHERE `id` < 480625 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000791s ]
  14. SELECT * FROM `article` WHERE `id` < 480625 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006162s ]
  15. SELECT * FROM `article` WHERE `id` < 480625 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007694s ]
0.097750s