[Vuejs]-How do i let token and refresh token in vuejs?

could you please introduce more details about your problem? (some code may be helpful).

and for this requirement:

I would like to have expire them on a certain period.

I think we usually implement expire an token in back-end service:

• step1:generatte one token,and save in redis or other data service.(Redis has expiration settings for key)
• step2:client send a request to server with this token,and the server verify the validity of the token.

so it is nothing to do with Vue