nginx动态缩略图

 
//ubuntu 需要apt-get -y install libgd2-xpm-dev build-essential
//127.0.0.1/test.jpg!100!100
//--with-http_image_filter_module
  
  
    location ~* (.*\\.(jpg|gif|png))!(.*)!(.*)$ {
        set $w     $3;
        set $h     $4;
        image_filter resize $w $h;
            rewrite (.*\\.(jpg|gif|png))!(.*)!(.*)$ $1 break;
        image_filter resize $w $h;
    }
  
        location ~ .*\\.(gif|jpg|png)${
                expires 30d;
        }