ngx.header.content_type = "text/plain";ngx.say(tostring(ngx.var.request_uri));ngx.say(tostring(ngx.var.host));ngx.say(tostring(ngx.var.server_port));ngx.say(tostring(ngx.var.scheme ));
lua返回服务器信息
原文：http://www.cnblogs.com/littlehb/p/4502309.html
