wvw直接代理www的站点

#PROXY-START/

location ^~ /
{
    # 核心：动态匹配访问域名，生成对应代理 Host（wvw.xxx → www.xxx）
    set $proxy_host "";
    if ($host ~* ^wvw\.(.+)$) {  # 捕获 wvw. 后面的所有内容）
        set $proxy_host "www.$1";  # 拼接成 www.xxx 格式的目标域名
    }

    proxy_pass http://127.0.0.1;
    proxy_set_header Host $proxy_host;  # 动态 Host，一一对应访问域名
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header REMOTE-HOST $remote_addr;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
    proxy_http_version 1.1;
    # proxy_hide_header Upgrade;

    add_header X-Cache $upstream_cache_status;

    #Set Nginx Cache（原有配置完全不变）
    proxy_set_header Accept-Encoding "";
    sub_filter_types *;  
    sub_filter_once off;
    sub_filter "www." "wvw.";  # 保持原有的页面内域名替换逻辑
    
    if ( $uri ~* "\.(gif|png|jpg|css|js|woff|woff2|svg)$" )
    {
    	expires 1m;
    }
    proxy_ignore_headers Set-Cookie Cache-Control expires;
    proxy_cache cache_one;
    proxy_cache_key $host$uri$is_args$args;  # 缓存键包含访问域名，避免不同域名缓存冲突
    proxy_cache_valid 200 304 301 302 3m;
}

#PROXY-END/