公众号
Generic
https://www.jianshu.com/p/2390f905da1a
https://github.com/ithuangqing/wechat
https://github.com/antgan/wx-tools
usage of wx-tools https://www.javazhiyin.com/17181.html
Set URL and token
https://blog.csdn.net/weixin_38306434/article/details/81384480
Login
https://gitee.com/javen205/weixin_guide
https://wiki.jikexueyuan.com/project/java-wechat/17.html
https://blog.csdn.net/qq9808/article/details/81558926
Sandbox
https://mp.weixin.qq.com/debug/cgi-bin/sandbox?t=sandbox/login