nodejs 十六进制字符串型数据与btye型数据相互转换

byte型转换十六进制字符串 /** * byte型转换十六进制 * @param b * @returns {string} * @constructor */ const Bytes2HexString = (b)=> { let hexs = ; for (let i = 0; i < b.length; i++) { let hex = (b[i]).toString(16); if (hex.length === 1) { hexs = '0' + hex; } hexs += hex.toUpperCase();