What else is there in the same controller that wants to pass parameters between different actions and remove the set cookie?

How to pass parameters between different actions in the same controller besides setting a cookie.
In the same controller, there are ways to pass parameters between different actions, in addition to setting cookies. Thank you
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References:

Quote: References:

Global variables globally, you can also URL to the parameter, you can also use the database, all kinds of ways have, look at your needs.

Is the data submitted by the form, received in one action, and then in the other action, it is necessary to pass the argument between the action. In my case, how to compare the appropriate

database, static files
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Cookie/session
URL parameters

If you invoke another action in one action, pass it directly.

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