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手绘二维码
source link: https://juejin.im/post/5c937bcdf265da611f1d891a
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看到二维码，很容易猜到黑白相间的小方格就是二进制比特。那么这些比特是怎么得到的？小方格又是按照什么规则排布的？今天咱们就从零开始将一个 url 画成二维码。 考虑到大多数人可能不太了解二维码，所以先讲下基础概念。你也可以先看看左耳朵耗子写的二维码的生成细节和原
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