Some fancy websites show an error dialog when it is detected that an untrained shopper has entered a credit/debit card number as it is printed on their card with spaces. Is it possible in some way to write a Java web app that handles these numbers with spaces as if they were correct?Some fancy websites show an error dialog when i
阅读背景：
如何使用包含空格的信用卡号？
来源：互联网
分享到：
