nginx_image_filter http_image_filter_module 配置 ---------------------------------- 第一种: //官方配置 location /img/ { proxy_pass http://backend; image_filter resize 150 100; image_filter rotate 90; error_page 415 = /empty; } location = /empty { empty_gif; } http://nginx.org/en/docs/http/ngx_http_image_filter_module.html#image_filter_webp_quality ----------------------------------- 第二种: //裁剪图片,不存储硬盘 访问 http://xxx.com/fanfan_11.jpg@100w_100h_75Q_r http://xxx.com/fanfan.jpg@150w_100h_75Q_r http://xxx.com/img/fanfan.jpg@11w_11_h_80Q_r # 等比缩放图片 location ~ (.+).(jpg|gif|png)@(d+)w_(d+)h_(d+)Q_r$ { set $w $3; #宽 set $h $4; #高 set $q $5; #图片质量 image_filter resize $w $h; image_filter_jpeg_quality $q; image_filter_buffer 5M; try_files $1.$2 /img/notfound.jpg; } # 裁剪图片 location ~ (.+).(jpg|gif|png)@(d+)w_(d+)h_(d+)Q_c$ { set $w $3; #宽 set $h $4; #高 set $q $5; #图片质量 image_filter crop $w $h; image_filter_jpeg_quality $q; image_filter_buffer 5M; try_files $1.$2 /img/notfound.jpg; } --------------------------------------- 第三种: //保存在磁盘 访问 http://xxx.com/image_filter/222.jpg@120w_120h_75Q_r 代理到 xxx.com/image-resize/image_filter/222.jpg?w=200&h=200&q=75 location ~ (.+).(jpg|gif|png)@(d+)w_(d+)h_(d+)Q_([rc])$ { # 方便调试 error_log /usr/local/var/logs/nginx/xxx.com.imagefilter.error.log debug; # 限制referer,防盗链 # valid_referers xxx.com;#domain modify # 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; # 必须填写ip,填写域名的话,nginx在启动的时候会检测域名,解析DNS,启动后,在修改域名的解析是不生效的 # 实际上,本机填写域名报500不生效,估计是DNS设置不对,会在server下添加 # resolver 127.0.0.1 valid=300s; proxy_pass http://127.0.0.1$image_uri; break; } proxy_store $document_root$cache_path; proxy_store_access user:rw group:rw all:r; proxy_temp_path /tmp/images; 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; } https://blog.wangjunfeng.com/archives/669