使用vb+sql制作的超市前台pos机及后台pos机管理系统，源码分两个文件夹存放了。数据库文件打包放里面了，比较实用，完全适合二次开发。-Produced using vb+ sql front pos supermarket pos machine and back-plane management system, source code stored in two folders. Placed inside the package database files, and more pra

客户显示屏二次开发包SDK,有详细的ASP,DELPHI,FOXPRO,PowerBuilder,TC,VB开发例程-Customer display secondary development kit SDK detailed ASP, DELPHI, FOXPRO, PowerBuilder, TC, VB developers routine