1、安裝GraphicsMagick

下載地址：http://sourceforge.net/projects/graphicsmagick/files/graphicsmagick/1.3.19/GraphicsMagick-1.3.19.tar.gz/download?use_mirror=ncu

tar zxvf GraphicsMagick-1.3.19.tar.gz cd GraphicsMagick-1.3.19 make make install

安裝依賴包Ghostscript，不安裝的話加水印會找不到字體

yum install -y ghostscript

?2、配置nginx.conf

location /down/PersonImg {set $image_root /usr/local/openresty/nginx/html;set $file "$image_root$uri";rewrite_by_lua ' local index = string.find(ngx.var.uri, "([0-9]+)x([0-9]+)");local originalUri = string.sub(ngx.var.uri, 0, index-2);local area = string.sub(ngx.var.uri, index);index = string.find(area, "([.])");area = string.sub(area, 0, index-1);local image_sizes = {"140x140", "800x800", "90x90"};function table.contains(table, element)for _, value in pairs(table) doif value == element thenreturn trueendendreturn falseendif table.contains(image_sizes, area) thenlocal command = "/usr/local/GraphicsMagick/bin/gm convert " .. ngx.var.image_root .. originalUri .. " -thumbnail " .. area .. " -gravity center -extent " .. area .. " " .. ngx.var.file;os.execute(command);elsengx.exit(401)end';alias /usr/local/openresty/nginx/html/down/PersonImg/;}

3、訪問
http://10.10.3.221/down/PersonImg/3AFAE457-FDC8-27D3-E2B5-6C10A145A3A6.jpg.90x90.jpg

4、要加水印的話命令如下

/usr/local/GraphicsMagick/bin/gm convert /usr/local/openresty/nginx/html/down/PersonImg/3AFAE457-FDC8-27D3-E2B5-6C10A145A3A6.jpg -font ArialBold -pointsize 45 -fill red -draw "text 10,10 dsideal" /usr/local/openresty/nginx/html/down/PersonImg/3AFAE457-FDC8-27D3-E2B5-6C10A145A3A61111.jpg

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轉載于:https://www.cnblogs.com/kgdxpr/p/3837264.html

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