/**
* 将二进制转换成16进制
*/
fun parseByte2HexStr(buf: ByteArray?): String {
val sb = StringBuilder()
for (iin buf!!.indices) {
var hex = Integer.toHexString((buf[i]).toInt() and 0xFF)
if (hex.length ==1) {
hex ="0$hex"
}
sb.append(hex.toUpperCase())
}
return sb.toString()
}
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