MyBatis Generator configuration details
https://blog.csdn.net/testcs_dn/article/details/79295065
https://blog.csdn.net/testcs_dn/article/details/77881776
weixin4j official website
http://www.weixin4j.org/
WeChat Pay
https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_1
WeChat public development
https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1445241432