Nginx配置不同资源使用不同配置

简介

通过服务器端的技术，根据用户设备类型或其他属性动态生成不同的内容或提供不同的资源。

在服务器端使用Nginx 的 User-Agent 头信息分发不同的页面版本或资源。

同一个地址下根据用户设备的不同，返回不同的资源。

配置

# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    # 使用 map 指令，根据 User-Agent 定义一个变量 device_type
    map $http_user_agent $device_type {
        default "pc"; # 默认是 PC
        "~*mobile|android|touch" "mobile"; # 匹配移动设备的 User-Agent
    }

    server {
        listen       80;
        listen       [::]:80;
        server_name  _;


        # 默认的 root 目录是 PC 端的资源路径
        set $root_path /usr/share/nginx/html/pc;

        # 如果 device_type 是 mobile，设置 root 目录为移动端资源路径
        if ($device_type = "mobile") {
            set $root_path /usr/share/nginx/html/mobile;
        }

        # 设置服务器的根目录
        root $root_path;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;

        error_page 404 /404.html;
        location = /404.html {
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        }
    }

# Settings for a TLS enabled server.
#
#    server {
#        listen       443 ssl http2;
#        listen       [::]:443 ssl http2;
#        server_name  _;
#        root         /usr/share/nginx/html;
#
#        ssl_certificate "/etc/pki/nginx/server.crt";
#        ssl_certificate_key "/etc/pki/nginx/private/server.key";
#        ssl_session_cache shared:SSL:1m;
#        ssl_session_timeout  10m;
#        ssl_ciphers HIGH:!aNULL:!MD5;
#        ssl_prefer_server_ciphers on;
#
#        # Load configuration files for the default server block.
#        include /etc/nginx/default.d/*.conf;
#
#        error_page 404 /404.html;
#            location = /40x.html {
#        }
#
#        error_page 500 502 503 504 /50x.html;
#            location = /50x.html {
#        }
#    }

}