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+---
+name: dihe709155244
+site: https://github.com/dihe709155244
+bio: Backend software engineer, interested in WeChat automation and AI integration.
+avatar: /assets/contributors/dihe709155244/avatar.webp
+email: 709155244@qq.com
+---
+
+## Contact me
+
+- GitHub: <https://github.com/dihe709155244>
+- Email: <709155244@qq.com>
\ No newline at end of file
diff --git a/jekyll/_posts/2026-04-01-building-wechat-group-bot-with-wechaty-padlocal.md b/jekyll/_posts/2026-04-01-building-wechat-group-bot-with-wechaty-padlocal.md
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+---
+title: "Building a WeChat Group Bot with Wechaty & PadLocal: A Step-by-Step Guide | 使用 Wechaty + PadLocal 搭建微信群机器人完整教程"
+author: dihe709155244
+categories: article
+tags:
+  - blog
+  - wechaty
+  - padlocal
+  - nodejs
+  - wechat-bot
+  - tutorial
+image: /assets/2026/04-building-wechat-group-bot-with-wechaty-padlocal/post-teaser-image.webp
+excerpt: 本文从零开始，教你使用 Wechaty 和 PadLocal 协议搭建一个能自动回复、监控消息的微信群机器人。包含 Token 申请、代码实现、图片处理等完整步骤。
+---
+
+> English version follows the Chinese version below.  
+> 中文版本在前，英文版本在后。
+---
+
+## 中文版
+
+### 前言
+
+微信群是国内最主流的团队沟通工具之一。如果你曾经想过**自动监控群消息、统计成员活跃度、或者搭建一个群助手机器人**，那么 Wechaty + PadLocal 协议是目前最稳定、最易用的开源解决方案。
+
+本文将从零开始，带你完整跑通一个能够：
+
+- ✅ 监听多个微信群消息
+- ✅ 识别图片和文字内容
+- ✅ 自动回复关键词
+- ✅ 记录消息日志
+
+的微信群机器人。
+
+### 技术栈
+
+| 组件 | 说明 |
+| --- | --- |
+| [Wechaty](https://github.com/wechaty/wechaty) | 微信机器人框架 |
+| [puppet-padlocal](https://github.com/wechaty/puppet-padlocal) | iPad 协议 Puppet |
+| Node.js 18+ | 运行环境 |
+| TypeScript（可选） | 类型安全 |
+
+### 第一步：申请 PadLocal Token
+
+1. 访问 [pad-local.com](http://pad-local.com)
+2. 注册账号，申请 **7天免费试用 Token**
+3. Token 格式形如：`puppet_padlocal_xxxxxxxxxxxxxxxx`
+
+> 💡 长期免费 Token：成为 Wechaty 贡献者（提交博客或代码 PR 被合并）后可向官方申请长期 Token。
+
+### 第二步：初始化项目
+
+```bash
+mkdir wechaty-group-bot
+cd wechaty-group-bot
+npm init -y
+npm install wechaty wechaty-puppet-padlocal
+```
+
+### 第三步：创建机器人入口文件
+
+新建 `bot.js`：
+
+```javascript
+const { WechatyBuilder } = require('wechaty')
+
+const bot = WechatyBuilder.build({
+  name: 'group-bot',
+  puppet: 'wechaty-puppet-padlocal',
+  puppetOptions: {
+    token: process.env.WECHATY_PUPPET_PADLOCAL_TOKEN,
+  },
+})
+
+// 扫码登录
+bot.on('scan', (qrcode, status) => {
+  const qrcodeUrl = `https://wechaty.js.org/qrcode/${encodeURIComponent(qrcode)}`
+  console.log(`扫码登录: ${qrcodeUrl}`)
+  console.log(`状态: ${status}`)
+})
+
+// 登录成功
+bot.on('login', (user) => {
+  console.log(`✅ 登录成功: ${user.name()}`)
+})
+
+// 监听消息
+bot.on('message', async (message) => {
+  const room = message.room()
+  const talker = message.talker()
+  const text = message.text()
+  const type = message.type()
+
+  // 只处理群消息
+  if (!room) return
+
+  const roomName = await room.topic()
+  const talkerName = talker.name()
+
+  console.log(`[${roomName}] ${talkerName}: ${text}`)
+
+  // 关键词自动回复
+  if (text.includes('签到')) {
+    await message.say(`@${talkerName} 签到成功！`)
+  }
+})
+
+bot.start()
+  .then(() => console.log('机器人启动中...'))
+  .catch(console.error)
+```
+
+### 第四步：运行机器人
+
+```bash
+WECHATY_PUPPET_PADLOCAL_TOKEN=puppet_padlocal_你的token \
+  node bot.js
+```
+
+控制台会输出一个二维码链接，用**微信小号**扫码登录即可。
+
+### 第五步：处理图片消息
+
+图片消息需要单独处理，获取图片 Buffer 后可以对接 OCR：
+
+```javascript
+const { MessageType } = require('wechaty')
+
+bot.on('message', async (message) => {
+  if (message.type() === MessageType.Image) {
+    const fileBox = await message.toFileBox()
+    const buffer = await fileBox.toBuffer()
+    console.log(`收到图片，大小: ${buffer.length} bytes`)
+    // 在此调用 OCR API 处理图片内容
+  }
+})
+```
+
+### 常见问题
+
+**Q: 扫码后登录失败？**  
+A: 确认小号微信版本支持 iPad 协议；建议使用已注册超过1个月的账号。
+
+**Q: Token 过期怎么办？**  
+A: 访问 pad-local.com 续期，或申请长期 Token。
+
+**Q: 机器人会封号吗？**  
+A: 低频操作风险较低。建议：控制消息发送频率、避免批量加人、用养号超过1个月的小号。
+
+### 总结
+
+通过本文，你已经掌握了使用 Wechaty + PadLocal 搭建微信群机器人的完整流程。这个基础框架可以进一步扩展为：积分系统、群统计、AI 客服等多种场景。
+
+完整代码已托管在 GitHub：[wechaty-group-bot](https://github.com/dihe709155244/wechaty-group-bot)，欢迎 Star 和 PR。
+
+---
+
+## English Version
+
+### Introduction
+
+WeChat groups are one of the most popular team communication tools in China. If you've ever wanted to **automatically monitor group messages, track member activity, or build a group assistant bot**, Wechaty + PadLocal protocol is currently the most stable and easy-to-use open-source solution.
+
+This tutorial walks you through building a WeChat group bot from scratch that can:
+
+- ✅ Listen to messages from multiple WeChat groups
+- ✅ Handle both text and image messages
+- ✅ Auto-reply based on keywords
+- ✅ Log all message activity
+
+### Tech Stack
+
+| Component | Description |
+| --- | --- |
+| [Wechaty](https://github.com/wechaty/wechaty) | WeChat bot framework |
+| [puppet-padlocal](https://github.com/wechaty/puppet-padlocal) | iPad protocol Puppet |
+| Node.js 18+ | Runtime environment |
+| TypeScript (optional) | Type safety |
+
+### Step 1: Get a PadLocal Token
+
+1. Visit [pad-local.com](http://pad-local.com)
+2. Register and apply for a **7-day free trial Token**
+3. Token format: `puppet_padlocal_xxxxxxxxxxxxxxxx`
+
+> 💡 **Long-term free Token**: After becoming a Wechaty Contributor (by having a blog post or code PR merged), you can apply for a long-term free Token from the Wechaty team.
+
+### Step 2: Initialize the Project
+
+```bash
+mkdir wechaty-group-bot
+cd wechaty-group-bot
+npm init -y
+npm install wechaty wechaty-puppet-padlocal
+```
+
+### Step 3: Create the Bot Entry File
+
+Create `bot.js`:
+
+```javascript
+const { WechatyBuilder } = require('wechaty')
+
+const bot = WechatyBuilder.build({
+  name: 'group-bot',
+  puppet: 'wechaty-puppet-padlocal',
+  puppetOptions: {
+    token: process.env.WECHATY_PUPPET_PADLOCAL_TOKEN,
+  },
+})
+
+bot.on('scan', (qrcode, status) => {
+  const qrcodeUrl = `https://wechaty.js.org/qrcode/${encodeURIComponent(qrcode)}`
+  console.log(`Scan to login: ${qrcodeUrl}`)
+  console.log(`Status: ${status}`)
+})
+
+bot.on('login', (user) => {
+  console.log(`✅ Logged in as: ${user.name()}`)
+})
+
+bot.on('message', async (message) => {
+  const room = message.room()
+  const talker = message.talker()
+  const text = message.text()
+
+  if (!room) return
+
+  const roomName = await room.topic()
+  const talkerName = talker.name()
+
+  console.log(`[${roomName}] ${talkerName}: ${text}`)
+
+  if (text.includes('check-in')) {
+    await message.say(`@${talkerName} Check-in successful!`)
+  }
+})
+
+bot.start()
+  .then(() => console.log('Bot starting...'))
+  .catch(console.error)
+```
+
+### Step 4: Run the Bot
+
+```bash
+WECHATY_PUPPET_PADLOCAL_TOKEN=puppet_padlocal_your_token \
+  node bot.js
+```
+
+A QR code URL will be printed to the console. Scan it with a **secondary WeChat account** to log in.
+
+### Step 5: Handle Image Messages
+
+```javascript
+const { MessageType } = require('wechaty')
+
+bot.on('message', async (message) => {
+  if (message.type() === MessageType.Image) {
+    const fileBox = await message.toFileBox()
+    const buffer = await fileBox.toBuffer()
+    console.log(`Received image, size: ${buffer.length} bytes`)
+    // Pass buffer to your OCR API here
+  }
+})
+```
+
+### FAQ
+
+**Q: Login fails after scanning the QR code?**  
+A: Make sure your secondary WeChat account supports the iPad protocol. Accounts registered more than 1 month ago work best.
+
+**Q: What if my Token expires?**  
+A: Renew it at pad-local.com, or apply for a long-term Token through the Wechaty Contributor Program.
+
+**Q: Will the bot get banned?**  
+A: Low-frequency operation carries low risk. Recommendations: control message send frequency, avoid mass-adding contacts, use an account that's been active for over a month.
+
+### Conclusion
+
+You've now learned the complete workflow for building a WeChat group bot using Wechaty + PadLocal. This foundational framework can be extended into many applications: points/scoring systems, group analytics, AI customer service bots, and more.
+
+The full source code is available on GitHub: [wechaty-group-bot](https://github.com/dihe709155244/wechaty-group-bot). Stars and PRs are welcome!
+
+---
+
+*Author: [dihe709155244](https://github.com/dihe709155244)*  
+*Contact: 709155244@qq.com*
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