nginx.md

# 图片缩略图
#location ~* /image_data/(.*)_(\d+)x(\d+)\.jpg$ {
#    root /;
#    set $s $1;
#    set $w $2;
#    set $h $3;
#    image_filter resize $w $h;
#    image_filter_buffer 10M;
#    rewrite ^/image_data/(.*)$ /image_data/$s.jpg break;
#}

location ~ (.+).(jpg|gif|png)@(\d+)w_(\d+)h_(\d+)Q_([rc])$ { # 限制referer，防盗链 valid_referers test.vimer.club; if ($invalid_referer) {return 404;}

set $w $3; #宽
set $h $4; #高
set $q $5; #图片质量
set $type $6;
set $image_path  $1.$2; #真实图片地址
set $cache_path  $1_$3w_$4h_$5Q_$6.$2;  #临时文件地址
if ($type = 'r') {
    set $type 'image-resize';
}
if ($type = 'c') {
    set $type 'image-crop';
}
set $image_uri  /$type$image_path?w=$w&h=$h&q=$q;
if (-f $document_root$cache_path) {
    rewrite (.+)\.(jpg|gif|png)@(\d+)w_(\d+)h_(\d+)Q_([rc])$ $1_$3w_$4h_$5Q_$6.$2;
    break;
}
if (!-f $document_root$cache_path) {
    proxy_pass http://$server_name$image_uri;
    break;
}
proxy_store $document_root$cache_path;
proxy_store_access user:rw group:rw all:r;
proxy_set_header Host $host;
expires  10d; # 设置图片过期时间10天

} location ~ /image-resize(.+).(jpg|gif|png) { rewrite /image-resize(.+).(jpg|gif|png)$ $1.$2 break; image_filter resize $arg_w $arg_h; image_filter_jpeg_quality $arg_q; image_filter_buffer 5M; try_files $1.$2 /img/notfound.jpg; } location ~ /image-crop(.+).(jpg|gif|png) { rewrite /image-crop(.+).(jpg|gif|png)$ $1.$2 break; image_filter crop $arg_w $arg_h; image_filter_jpeg_quality $arg_q; image_filter_buffer 5M; try_files $1.$2 /img/notfound.jpg; }