前段时间做了一套超市收银系统，把其中的小票打印代码贡献给大家,并口小票打印机，肯定有朋友正在找这个功能，需要的朋友不用开发，拿去就能用。但愿能帮到你。-Some time ago to do a supermarket cash register system, in which the contribution of small ticket printing code to give you, a friend in need ca