is there only two types of image compression now,
1. After the front-end js canvas is compressed, it is converted to base64,post and then saved to the backend as an image
2. Upload the image file directly to the backend, compress it on the server side, and then save
do not know which of the two ways is better, I now prefer method 1, so upload quickly
ask the boss to analyze the pros and cons from the aspects of security, efficiency, browser support and so on.
if you need to keep the original image, use the second, otherwise the first
is compressed first, and then binary is transferred to the backend for storage. If there is a preview need at the front end, you can transfer it to base64, but it is not necessary to use it for transmission.
Mobile fee traffic can be compressed with the first front end, while PC users who don't care about the traffic can use the second server to compress
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