如何在Java中生成人类可读的唯一ID

Question

我们正在开发电子商务应用程序，我们要在其中实现人类可读的订单ID（OD40627056751），以便我们进行订单确认。我们使用的是Java 1.6，Strus 2.x和mysql 5.5，请帮助我解决此问题，提前致谢。

Answer 1

You can use your primary key number with some prefix.

If it is just order number on one site. it does not have to be globally unique, it should be unique order number. And your order table primary key itself is unique.

the order number can be: OD0000000001, OD0000000002, ...., OD0000003333