Docking micro-channel public number

I did a few years ago, forgotten.
Recently there have been arrangements in this regard, see.

https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/Access_Overview.html

Reference https://www.cnblogs.com/han108/p/9597879.html

token page is just written, and needs its own code consistent.

1. Need to write the code to deploy to the server, and then write the code inside the token to the page.
2. Also need to configure java restriction policy
   https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/Message_Encryption/Technical_Plan.html