user root;  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 {      listen    80;#端口號      server_name localhost;#本機        charset utf-8;        #access_log logs/host.access.log main;      location ~ .*/.(gif|jpg|jpeg|png)$ {      expires 24h;        root /home/images/;#指定圖片存放路徑        access_log /usr/local/websrv/nginx-1.9.4/logs/images.log;#日志存放路徑        proxy_store on;        proxy_store_access user:rw group:rw all:rw;        proxy_temp_path     /home/images/;#圖片訪問路徑        proxy_redirect     off;        proxy_set_header    Host 127.0.0.1;        client_max_body_size  10m;        client_body_buffer_size 1280k;        proxy_connect_timeout  900;        proxy_send_timeout   900;        proxy_read_timeout   900;        proxy_buffer_size    40k;        proxy_buffers      40 320k;        proxy_busy_buffers_size 640k;        proxy_temp_file_write_size 640k;        if ( !-e $request_filename)        {           proxy_pass http://127.0.0.1;#默認80端口        }    }         location / {        root  /home/html; #html訪問路徑       index index.html index2.htm; #html文件名稱      }       error_page 404       /404.html; </span>