Arthur's Blog

# http://host/crop/300x300/25733822_112042031030_2.jpg
#需要注意 proxy_pass 的路径为图片的真实访问路径
#配置图片的真实访问路径的时候使用image_filter即可实现图片的缩放
location ~* ^/crop {
    root /data/site_cache/$server_name;
    set $width 150;
    set $height 100;
    set $dimens "";
    set $crop 0;
    if ( $uri ~* "^/crop/(200x200|300x300|400x400|500x500|600x600)" ) {
       set $crop 1;
    }
    
    if ($crop = 0) {
        return 403;
    }
    if ($uri ~* "^/crop/(.*)" ) {
        set $image_path $1;
    }
    if ($uri ~* "^/crop/(\d+)x(\d+)/(.*)" ) {
        set $width $1;
        set $height $2;
        set $image_path $3;
        set $demins "_$1x$2";
    }

    set $image_uri /crop_image/$image_path?width=$width&height=$height;
    if (!-f $request_filename) {
        proxy_pass http://host$image_uri;
        break;
    }
    proxy_store /data/site_cache/$server_name/crop$demins/$image_path;
    proxy_store_access user:rw group:rw all:r;
    proxy_set_header Host $host;
    expires 30d;
    access_log off;
}

location ^~ /crop_image/ {
    alias /vhosts/hosts/travelzs/public/uploads/;
    image_filter  size;
    image_filter crop $arg_width $arg_height;
    image_filter_jpeg_quality 75;
    image_filter_buffer 2M;
    #access_log off;
}
# http://host/resize/300x300/25733822_112042031030_2.jpg
#需要注意 proxy_pass 的路径为图片的真实访问路径
#配置图片的真实访问路径的时候使用image_filter即可实现图片的缩放

location ~* ^/resize {
    root /data/site_cache/$server_name;
    set $width 150;
    set $height 100;
    set $dimens "";
    set $resize 0;
    
    if ( $uri ~* "^/resize/(200x200|300x300|400x400|500x500|600x600)" ) {
       set $resize 1;
    }

    if ($resize = 0) {
        return 403;
    }

    if ($uri ~* "^/resize/(.*)" ) {
        set $image_path $1;
    }
    if ($uri ~* "^/resize/(\d+)x(\d+)/(.*)" ) {
        set $width $1;
        set $height $2;
        set $image_path $3;
        set $demins "_$1x$2";
    }

    set $image_uri /uploads/$image_path?width=$width&height=$height;
    if (!-f $request_filename) {
        proxy_pass http://host$image_uri;
        break;
    }
    proxy_store /data/site_cache/$server_name/resize$demins/$image_path;
    proxy_store_access user:rw group:rw all:r;
    proxy_set_header Host $host;
    expires 30d;
    access_log off;
}
location ~* ^/uploads/ {
    image_filter  size;
    image_filter resize $arg_width $arg_height;
    image_filter_jpeg_quality 75;
    image_filter_buffer 2M;
    access_log off;
}​