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没办法,php 也是这样,晚清时期都是用 ascii 字符串来表示二进制。还好到了现代 js 才有了 TypedArray ,比 php 处理二进制更方便点
太难教了,直接写几个函数照抄,ArrayBufferToBase64 Base64ToArrayBuffer ,NumberToArrayBuffer ArrayBufferToNumber ,ArrayBufferToHex HexToArrayBuffer 全家桶
https://xiangyuecn.github.io/Recorder/assets/%E5%B7%A5%E5%85%B7-%E4%BB%A3%E7%A0%81%E8%BF%90%E8%A1%8C%E5%92%8C%E9%9D%99%E6%80%81%E5%88%86%E5%8F%91Runtime.html?jsname=lib.js-binary-bytes |