Introduction - If you have any usage issues, please Google them yourself
A C procedure: in order to purchase books in quantity more than 5 and the total amount of the purchase of more than 500 yuan to provide 15 discount. Accept user input and purchase the total number of books and displays the total amount of the final meet.
Packet : 79419113bookpay.rar filelist
bookpay\viewthread\viewthread.php
bookpay\viewthread
bookpay\bookpay.txt
bookpay