共计 987 个字符,预计需要花费 3 分钟才能阅读完成。
/**
* byte 数组转换为二进制字符串, 每个字节以 "," 隔开
**/
public static String conver2HexStr(byte[] b) {StringBuffer result = new StringBuffer();
for (int i = 0; i < b.length; i++) {result.append(Long.toString(b[i] & 0xff, 2) + ",");
}
return result.toString().substring(0, result.length() - 1);
}
/**
* 二进制字符串转换为 byte 数组, 每个字节以 "," 隔开
**/
public static byte[] conver2HexToByte(String hex2Str) {String[] temp = hex2Str.split(",");
byte[] b = new byte[temp.length];
for (int i = 0; i < b.length; i++) {b[i] = Long.valueOf(temp[i], 2).byteValue();}
return b;
}
/**
* byte 数组转换为十六进制的字符串
**/
public static String conver16HexStr(byte[] b) {StringBuffer result = new StringBuffer();
for (int i = 0; i < b.length; i++) {if ((b[i] & 0xff) < 0x10)
result.append("0");
result.append(Long.toString(b[i] & 0xff, 16));
}
return result.toString().toUpperCase();
}
/**
* 十六进制的字符串转换为 byte 数组
**/
public static byte[] conver16HexToByte(String hex16Str) {char[] c = hex16Str.toCharArray();
byte[] b = new byte[c.length / 2];
for (int i = 0; i < b.length; i++) {
int pos = i * 2;
b[i] = (byte) ("0123456789ABCDEF".indexOf(c[pos]) << 4 | "0123456789ABCDEF".indexOf(c[pos + 1]));
}
return b;
}
}
正文完