七牛水印笔记

示例:

https://qiniu.guet.link/%E8%AF%81%E4%BB%B6a/IMG_1968%2820221011-003502%29.JPG?watermark/4/text/5LuF55So5LqO5a6e5ZCN6K6k6K-BCuacieaViOacn-iHszIwMjLlubQxMeaciA/fontsize/400/fill/cmVk/dissolve/50/rotate/30/uw/180/uh/180/resize/1

文档：

https://developer.qiniu.com/dora/1316/image-watermarking-processing-watermark