coopOS is an easy-to-use, easy-to-deploy Point of Sale (POS) for small business cooperatives. Built with cafes and bookstores in mind, coopOS manages sales, shifts and inventory with ease. This application is written in accessible web languages (PHP,

通过php访问本地mysql数据库，然后通过javascr ipt、ajax获取数据在页面显示的一个功能虽简单、但流程俱全的程序。是初步学习php、javascr ipt访问数据库的非常好的程序。