Patent attributes
A third-party application client performs authorization authentication with a user client and a platform server. The third party application obtains an access token and an open ID. The third-party application client interacts with the platform server for information related to the user ID by using the token, calls the user client or is called by the user client according to the open ID. The third-party application client may interact with the platform server for the information related to the user ID by using the token, so that other resources or information of the user accumulated for the platform server can be used by the third-party application client continuously.