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Example code of ctfang/id-to-code

Informations about the package id-to-code

id-to-code

自增int类型的id可逆加密算法

例如mysql自增字段,如果直接在接口中暴露,会暴露出您的系统业务量,哪怕设置id从100000开始，也可以在下个月再看接口就直接知道你系统一个月的运营量

特别是订单号,用户id等直接显示,会直接透露你公司的真实运营信息

这时候可以使用 uuid 或者 时间+机器id+进程id+进程内自增+随机数 编码解决

但是这样处理的code实在太长,而且数据库处理速度没有自增id快,这时候可以使用加密算法,把id转成code给前端,前端传参时候再把code转id完美解决

使用场景

用户对外uid, 订单号

Install

使用

生成加密模板

业务使用

每一个 int 都转化类似 71869931 的code

原理

根据加密模板,替换数字数据,因为只是替换动作,不需要哈希计算,所有速度很快

加密模板是反人类习惯生成的映射表,正常人类看数字是 123456789 有序理解,但是经过加密模板后,可能变成 589647123 无规律

普通id因为是自增的，很容易看出来，但是经过加密编码，1转2，2转5无规律转换，每个位数独立一个加密模板，转换时加个设定位数盐，就是每次都不一样,如果id数由 997 到 998 中间只有一个数字变更,但是在加密算法中 因为盐的不一样,会把前面 99 两个根本没有变动的数字也做了不同模板的替换,也可以得到全部位数都变动的数值

All versions of id-to-code with dependencies

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Requires php Version >=8.0
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