/**
* 将指定byte数组以16进制的形式打印到控制台
* @param hint String
* @param b byte[]
* @return void
*/
public static void printHexString(String hint, byte[] b) {
System.out.print(hint);
for (int i = 0; i < b.length; i++) {
String hex = Integer.toHexString(b[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
System.out.print(hex.toUpperCase() + " ");
}
System.out.println("");
}
/**
*
* @param b byte[]
* @return String
*/
public static String Bytes2HexString(byte[] b) {
String ret = "";
for (int i = 0; i < b.length; i++) {
String hex = Integer.toHexString(b[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
ret += hex.toUpperCase();
}
return ret;
}
/**
* 将两个ASCII字符合成一个字节;
* 如:"EF"--> 0xEF
* @param src0 byte
* @param src1 byte
* @return byte
*/
public static byte uniteBytes(byte src0, byte src1) {
byte _b0 = Byte.decode("0x" + new String(new byte[]{src0})).byteValue();
_b0 = (byte)(_b0 << 4);
byte _b1 = Byte.decode("0x" + new String(new byte[]{src1})).byteValue();
byte ret = (byte)(_b0 ^ _b1);
return ret;
}
/**
* 将指定字符串src,以每两个字符分割转换为16进制形式
* 如:"2B44EFD9" --> byte[]{0x2B, 0x44, 0xEF, 0xD9}
* @param src String
* @return byte[]
*/
public static byte[] HexString2Bytes(String src){
byte[] ret = new byte[8];
byte[] tmp = src.getBytes();
for(int i=0; i<8; i++){
ret[i] = uniteBytes(tmp[i*2], tmp[i*2+1]);
}
return ret;
}
-------------------------------------------------------------------------------------------------------------
public static String stringToHexString(String strPart) {
private static String hexString="0123456789ABCDEF";
public static String encode(String str)
{
// 根据默认编码获取字节数组
byte[] bytes=str.getBytes();
StringBuilder sb=new StringBuilder(bytes.length*2);
// 将字节数组中每个字节拆解成2位16进制整数
for(int i=0;i<bytes.length;i++)
{
sb.append(hexString.charAt((bytes[i]&0xf0)>>4));
sb.append(hexString.charAt((bytes[i]&0x0f)>>0));
}
return sb.toString();
}
public static String decode(String bytes)
{
ByteArrayOutputStream baos=new ByteArrayOutputStream(bytes.length()/2);
// 将每2位16进制整数组装成一个字节
for(int i=0;i<bytes.length();i+=2)
baos.write((hexString.indexOf(bytes.charAt(i))<<4 |hexString.indexOf(bytes.charAt(i+1))));
return new String(baos.toByteArray());
}
private static byte uniteBytes(byte src0, byte src1) {
public static byte[] HexString2Bytes(String src)
{
}
java 格式化输出十六进制数
00 01 00 00 FF E1 00 E6 45 78 69 66 00 00 49 49
2A 00 08 00 00 00 05 00 12 01 03 00 01 00 00 00
01 00 00 00 31 01 02 00 1C 00 00 00 4A 00 00 00
32 01 02 00 14 00 00 00 66 00 00 00 13 02 03 00
01 00 00 00 01 00 00 00 69 87 04 00 01 00 00 00
7A 00 00 00