spring-boot-websocket stomp.
page, the back-end websocket notifies the front-end page to jump.
the QR code is automatically closed without payment within 2 minutes, and then the connection can be closed, so how can the back-end service close the connection automatically?
websocket is an extended communication protocol based on the tcp protocol, so it supports two-way communication.
since you intend to time the server, you can send a request to close the connection to the client 2 minutes after the server has not paid for it. The client automatically closes and triggers the onclose event of websocket , and websocket connection closes.
how to write the server code depends on how your server websocket is implemented. For a normal self-implemented server, you only need to send a control frame of 0x8 to the client, and the client shuts down after a while.
Why not consider that the front-end js is timed for 2 minutes and jump away without receiving the payment after the time?
not too much java , see if you can give the client a close control message.
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