1.nginx_lua 用法
https://github.com/iresty/nginx-lua-module-zh-wiki#ngxshareddict
https://blog.csdn.net/u013397318/article/details/53587726
2.lua限流
https://www.cnblogs.com/turnswing/p/8027123.html
https://segmentfault.com/a/1190000007468421
https://www.cnblogs.com/turnswing/p/8027123.html
http://www.itzh.org/
cjson
https://blog.csdn.net/xiejunna/article/details/69523451
https://blog.csdn.net/qq_32292967/article/category/7306217
https://blog.csdn.net/xiejunna/article/category/6554626/
https://blog.csdn.net/xiejunna/article/details/72903117
https://blog.csdn.net/xiejunna/article/details/72903117
https://blog.csdn.net/xiejunna/article/details/69523451
https://blog.csdn.net/guowenyan001/article/details/50848148
https://blog.csdn.net/guowenyan001/article/details/48250427