nginx location 学习

nginx.conf

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #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  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        # 已=开头表示精确匹配
        # 如 A 中只匹配根目录结尾的请求，后面不能带任何字符串。
        # ^~ 开头表示uri以某个常规字符串开头，不是正则匹配
        # ~ 开头表示区分大小写的正则匹配;
        # ~* 开头表示不区分大小写的正则匹配
        # / 通用匹配, 如果没有其它匹配,任何请求都会匹配到
        # (location =) > (location 完整路径) > (location ^~ 路径) > (location ~,~* 正则顺序) > (location 部分起始路径) > (/)
        listen       3000;
        server_name  localhost;

        location = / {
            # 精确匹配 优先度最高
            # 后面不能带字符串
            proxy_pass https://www.bing.com;
        }

        location / {
            # 匹配所有请求 但最长字符串和正则优先度大于该匹配
            # e.g. /s
            # e.g. ^~ /images/
            proxy_pass https://www.bilibili.com;
        }
		
		location /s {
			proxy_pass https://www.baidu.com/s;
		}

        location /images {
            # 匹配images 开头的连接
            # 匹配符合以后，还要继续往下搜索
			proxy_pass https://www.baidu.com/s;
		}

        location ^~ /images/ {
            # 匹配以 images 开头的连接
            # 匹配符合后不往下继续搜索
            # e.g. /images/** 可匹配
            # e.g. /**/images/ 不匹配
            proxy_pass https://cn.bing.com/images;
        }

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

}