微信第三方平台下的不同小程序，同一个用户，是否有唯一的标识？

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微信第三方平台下的不同小程序，同一个用户，是否有唯一的标识？Does the same user have a unique identifier for different mini programs under the WeChat third-party platform?

1、授权到微信第三方平台下的不同小程序，同一个用户，是否有唯一的标识？2、微信第三方平台下代小程序实现登录功能(https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/Mini_Programs/WeChat_login.html)中返回的openid与小程序通过auth.code2Session(https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/login/auth.code2Session.html)获取的openid 是否一样？

1. Does the same user have a unique identity for different applets authorized to the wechat third-party platform? 2. Wechat third party platform next generation small program to achieve login function（ https://developers.weixin.qq.com/doc/oplatform/Third-party_ Platforms/Mini_ Programs/WeChat_ login.html ）The openid returned in the auth.code2Session ( https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/login/auth.code2Session.html ）Is the openid obtained the same?

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