今天做一个需求，需要将byte[]类型转换为Double 和 String，因此整理起来
Double
byte[]转double
public Double byteArrayToDouble(byte[] bytes) { if (bytes.length != 8) { throw new IllegalArgumentException("数据长度不符"); } long longBits = 0; for (int i = 0; i < 8; i++) { longBits = (longBits << 8) | (bytes[i] & 0xFF); } return Double.longBitsToDouble(longBits); }byte[]转String new String(bytes) 但是bytes的长度有问题 标签：封装,String,Double,bytes,longBits,Java,Byte,byte From： https://www.cnblogs.com/baidurenshen/p/17774117.html