如今随着各终端的出现(手机,ipad等平板),以及各类终端的手机分辨率和尺寸都不一样,如今手机用户流量都是宝,网上出现了各类各样的生成缩略图功能的架构,有使用php实时生成缩略图的,也有用nginx + lua实现的,上节我也讲到了使用nginx生成缩略图,可是用户每次访问都须要生成一次,会给cpu和硬盘带来比较大的压力,今天带来了另一种方式,此次使用nginx将原图生成缩略图到硬盘上.看个人配置 php
1. 首先建好cache目录 html
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# mkdir /data/site_cache/
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2. 修改nginx配置 nginx
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location ~* ^/resize{
root/data/site_cache/$server_name;
set$width 150;
set$height 100;
set$dimens"";
if($uri ~*"^/resize_(\d+)x(\d+)/(.*)") {
set$width $1;
set$height $2;
set$image_path $3;
set$demins"_$1x$2";
}
if($uri ~*"^/resize/(.*)") {
set$image_path $1;
}
set$image_uri image_resize/$image_path?width=$width&height=$height;
if(!-f $request_filename) {
proxy_pass http://127.0.0.1/$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 $host;
expires 30d;
access_log off;
}
location/image_resize{
alias/data/site/$server_name/;
image_filter resize $arg_width $arg_height;
image_filter_jpeg_quality 75;
access_log off;
}
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