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2026从安装到实战案例的全链路使指南(2052页附下载)

  • 2026-09-18 20:29:25
2026从安装到实战案例的全链路使指南(2052页附下载)

01

摘要-文末附全文PDF下载

出品:橙皮书

一、Codex的定位

Codex不是简单的“代码生成器”,而是工程Agent——能进入项目目录,读取文件、理解上下文、制定计划、修改代码、运行命令、验证结果,最终把任务推进到可review的状态。它经历了从代码补全→对话问答→项目协作→工程Agent的四次进化。

二、四大使用入口

入口
适合场景
Codex App
(桌面版)
新手首选,图形界面,功能最强
Codex CLI
终端用户、自动化脚本
IDE Extension
VS Code/Cursor中边写边改
Codex Web
云端处理GitHub仓库任务

三、核心工作流:标准六步法

  1. 需求拆解 — 明确背景、目标、文件范围、禁区

  2. 制定计划 — 先/plan,确认后再动手

  3. 小步实现 — 一次只改一个功能点

  4. 测试 — 跑lint/build,手动验证

  5. 代码审查 — 检查diff,重点盯边界条件、安全问题、误删和业务逻辑

  6. 提交与复盘 — 生成commit/PR,沉淀经验到AGENTS.md

四、核心功能速览

  • Skill:固定工作方法包(如README生成、代码Review)

  • 插件:扩展能力(Chrome、GitHub、Figma、视频生成等)

  • MCP:连接外部工具的接口(数据库、文档、设计稿)

  • Sites:一键发布网站为可访问链接

  • 云端运行:GitHub仓库任务在云端执行

  • 记忆系统:AGENTS.md(项目规则)+ Memories(个人偏好)

五、关键原则

  • 先读项目,再改代码;不要一上来就要求修改

  • 先/plan,再执行;复杂任务必须先出计划

  • 看diff比看总结更重要;每次修改后必须检查改动

  • 不用Git就别用Codex;Git是回滚和检查的基础

  • 小步迭代;一次只改一个功能,不要大范围重构

一句话总结:Codex帮你把工程任务从需求推进到可review的结果,人负责提需求、画边界、看diff、做决策。

02

引用内容(部分)

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基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=9836800d560cd7578533ae7ae19e660b
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  1. CONNECT:[ UseTime:0.000663s ] mysql:host=172.18.0.4;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001154s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000416s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000358s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000504s ]
  6. SELECT * FROM `set` [ RunTime:0.000294s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000735s ]
  8. SELECT * FROM `article` WHERE `id` = 488930 LIMIT 1 [ RunTime:0.000400s ]
  9. UPDATE `article` SET `lasttime` = 1789930526 WHERE `id` = 488930 [ RunTime:0.001742s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000327s ]
  11. SELECT * FROM `article` WHERE `id` < 488930 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000478s ]
  12. SELECT * FROM `article` WHERE `id` > 488930 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000360s ]
  13. SELECT * FROM `article` WHERE `id` < 488930 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000491s ]
  14. SELECT * FROM `article` WHERE `id` < 488930 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000582s ]
  15. SELECT * FROM `article` WHERE `id` < 488930 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000499s ]
0.082014s