nginx 变量

Nginx服务配置文件中变量详解

https://blog.csdn.net/ljc1999/article/details/112920020

Nginx五大类变量详解

https://blog.csdn.net/weixin_43143310/article/details/121687473

nginx部分内置变量详解

https://blog.csdn.net/u014589884/article/details/108028681