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# 小程序订阅功能 | ||
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## 流程 | ||
1. 申请小程序订阅消息功能 | ||
2. 申请小程序订阅消息模板,生成`template_id` | ||
3. 后端根据`APPID`和`APPSECRET`生成`ACCESS_TOKEN` | ||
4. 前端获取当前用户的`js_code`传给后端 | ||
5. 前端弹窗提示当前用户`授权消息订阅`功能 | ||
6. 后端根据`APPID`、`APPSECRET`和`js_code`生成当前用户的`openid` | ||
7. 后端通过`touser(openid)`、`ACCESS_TOKEN`、`template_id`和`data(消息配置信息)`发送订阅消息 | ||
8. 用户收到信息 | ||
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## 相关接口 | ||
1. [小程序公众平台-功能-订阅消息(需要手动跳转)](https://mp.weixin.qq.com/) | ||
2. [生成`ACCESS_TOKEN`](https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-access-token/getAccessToken.html) | ||
3. [生成`openid`](https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/user-login/code2Session.html) | ||
4. [发送订阅消息](https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-message-management/subscribe-message/sendMessage.html) | ||
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## 效果 | ||
![接收消息](image.png) |