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调用系统的UUID模块生成的由32位16进制(0-f)数组成的的串,本模块进一步压缩为62进制。

生成8位UUID local resty_uuid = require "resty.uuid"

local id = resty_uuid:gen8() --output 3uNy6ZzI

生成20为UUID local resty_uuid = require "resty.uuid"

local id = resty_uuid:gen20() -2qYArunu73bABy2RqY3M

正如你所想,生成的UUID越长,理论冲突率就越小,请根据业务需要自行斟酌。 基本思想为把系统生成的16字节(128bit)的UUID转换为62进制(a-zA-Z0-9),同时根据业务需要进行截断。

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uuid generator for ngx_lua

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