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Xiaobian to share with you how Apache shiro single sign-in, I believe most people still do not know how, so share this article for your reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

1. Assuming that you are using Apache shrio and that the project requires that only one user can exist on an account at a time, you should add the following code to your shiro configuration file:

Next, you should add the following code to your realm, which is mainly to determine whether the user logged in to the account has already logged in.

@Autowired private SessionDAO sessionDAO; ...............

Next, you should get all the logged in accounts in the cache of shiro in realm to determine whether the current user has logged in.

//apache shiro Get all online users Collection sessions = sessionDAO.getActiveSessions(); for(Session session:sessions){ String loginUsername = String.valueOf(session.getAttribute(DefaultSubjectContext.PRINCIPALS_SESSION_KEY));//Get the name of the logged in user in the session if(username.equals(loginUsername)){ //username here is the username of the current login session.setTimeout(0); //This clears the session, } }

2.SessionManager

Here is a possible bug that can be resolved by configuring the sessionId Cookie property to override the session ID in the cookie by the server

That's all for "Apache shiro how to single sign-on", thanks for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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