[WeChat Public Account] 13. SpringBoot integrates WxJava to obtain user management (user list, basic information, setting notes, user migration)

The official account can obtain the follower list of the account through this interface, and the follower list is composed of a string of OpenID (encrypted WeChat ID, each user has a unique OpenID for each official account). A pull call can pull up to 10,000 followers' OpenIDs, which can be met by multiple pulls.

Official Documentation: Get User List

https://developers.weixin.qq.com/doc/offiaccount/User_Management/Getting_a_User_List.html

1. Obtain the list of users (followers)