Abstract: This article discloses an interaction method and apparatus, and electronic device and medium. The interaction method comprises: displaying an interaction interface after a user selects an interactive object via a selection interface and the interactive object receives an interaction invitation, wherein the interaction interface is configured to display pictures taken by the user and the interactive object in real time, the interaction interface comprises an interaction control for the user and the interactive object to interact while capturing in real time, the selection interface and the interaction interface are video capturing related interfaces, the video capturing related interfaces are related to capturing of an interactive video, and the interactive video is a video which is taken while the user and the interactive object interacts based on the interaction interface; obtaining a setting operation for the interaction control; and responding to the setting operation within the interaction interface.

Abstract: A prepaid accounting system for a wireless local area network (WLAN) and a method thereof are provided. The system includes: an authentication control point, an authentication server, and a service control point. The authentication control point is used to control access of a subscriber to WLAN; the authentication server is used to perform authentication, authorization and accounting for the subscriber; and the service control point is used to store and update subscriber information. The method includes the steps of: upon the start of accounting, an authentication server requesting a service control point to check account balance of a subscriber; during the accounting, the authentication server periodically requesting the service control point to check the account balance of the subscriber; and upon the termination of accounting, the authentication server notifying the service control point of the termination of accounting and the service control point updating the balance.