Research on the realization method of the docking function between Wechat payment system and supermarket cashier system

Jinfeng Wang; Xuegang Wang

doi:10.1117/12.2628404

21 April 2022 Research on the realization method of the docking function between Wechat payment system and supermarket cashier system

Jinfeng Wang, Xuegang Wang

Author Affiliations +

Proceedings Volume 12175, International Conference on Network Communication and Information Security (ICNCIS 2021); 121750D (2022) https://doi.org/10.1117/12.2628404
Event: International Conference on Network Communication and Information Security (ICNCIS 2021), 2021, Beijing, China

Abstract

Friendly docking various supermarket cashier systems with the WeChat payment system (WPS) achieve WPS at a supermarket. In addition to DLL (Dynamic Link Library) modules developed by multi-threading technology, it adopts hook and module injection to be introduced into and captures messages in the process message queue of the host program. Via matching the message strings with the bar code rules of WeChat, if satisfied, WPS will be switched to the client-side of the system and in-focus. After processing WeChat payment, WPS runs in the backend. Otherwise, the messages would be delayed and transmitted into the cashier system. WPS injects DLL files into the process of the Cashier system to achieve the docking functionality. This design scheme implements the docking ideally between two systems and supports all kinds of cashier systems with a positive user experience. Six hundred thousand commercial tenants are employing WPS in the market.

Citation Download Citation

Jinfeng Wang and Xuegang Wang "Research on the realization method of the docking function between Wechat payment system and supermarket cashier system", Proc. SPIE 12175, International Conference on Network Communication and Information Security (ICNCIS 2021), 121750D (21 April 2022); https://doi.org/10.1117/12.2628404

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