大家一般如何生成流水号-PHP Tutorial-php.cn

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大家一般如何生成流水号

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 13, 2016 am 10:04 AM

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大家一般怎么生成流水号？
比如用户id，我一直用数据库自增来做的。
但是涉及到比如一些发帖子的网站，帖子的id那块有的虽然是数字，也有的加了前缀 abcd1234这样的

请教这样的如何生成
用哪个好呢？直接一串数字的有没有什么坏处

大家一般如何做的？

------解决方案--------------------

探讨

引用:
年月日，时分秒再加一串随机数

插入数据库时我还要遍历一遍数据库？那效率多低啊

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