JWT certification process and use cases

One     The introduction is based on session Traditional authentication process

Tradition session Is stored in the server memory , and JWT Is saved locally in the browser , Use JWT The advantage is that it does not occupy the memory of the server , Use session Each user will occupy a little memory of the server , It's obviously not good .
Use JWT Words , Because it is saved locally in the browser , It will not occupy the memory of the server , This is a little good , Compare in a system where the front and rear ends are separated session,Jwt It will be better .
 

JWT〖 One 〗token Single sign on authentication logic implementation _ktoking The blog of -CSDN Blog _jwt Authentication realizes the principle of single sign on