| | |
| | | package com.boying.util; |
| | | |
| | | import java.util.Arrays; |
| | | import java.util.UUID; |
| | | |
| | | public class StringUtil { |
| | |
| | | } |
| | | return false; |
| | | } |
| | | public static byte[] convertNum(String s){ |
| | | String[] split = s.split("-"); |
| | | byte[] bytes = new byte[split.length]; |
| | | for (int i = 0; i < split.length; i++) { |
| | | String s1 = split[i]; |
| | | byte b = Byte.parseByte("0x"+s1); |
| | | bytes[i]=b; |
| | | } |
| | | return bytes; |
| | | } |
| | | |
| | | public static String toStr(String[] strs){ |
| | | String s = Arrays.toString(strs); |
| | | String substring = s.substring(1, s.length() - 1); |
| | | String s1 = substring.replaceAll(",", ""); |
| | | String s2 = s1.replaceAll(" ", ""); |
| | | return s2; |
| | | } |
| | | |
| | | public static String getUUID() { |
| | | return UUID.randomUUID().toString().replaceAll("-", ""); |
| | | } |
| | | |
| | | /** |
| | | * 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 += " 0x" + hex.toUpperCase(); |
| | | } |
| | | 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, 0×44, 0xEF, |
| | | * 0xD9} |
| | | * |
| | | * @param src String |
| | | * @return byte[] |
| | | */ |
| | | public static byte[] HexString2Bytes(String src) { |
| | | if (null == src || 0 == src.length()) { |
| | | return null; |
| | | } |
| | | String s1 = src.replaceAll("-", ""); |
| | | byte[] ret = new byte[s1.length() / 2]; |
| | | byte[] tmp = s1.getBytes(); |
| | | for (int i = 0; i < (tmp.length / 2); i++) { |
| | | ret[i] = uniteBytes(tmp[i * 2], tmp[i * 2 + 1]); |
| | | } |
| | | 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; |
| | | } |
| | | |
| | | public static void main(String[] args) { |
| | | String s = "00-64-FF-FF-6E-78-00-04-00-01-01-02-00-FF-00-00-00-09-E4-BA-AC-41-38-38-38-38-38-0D-01-01-01-02-00-FF-00-00-00-09-E4-B8-B4-E6-97-B6-E8-BD-A6-0D-02-01-01-02-00-FF-00-00-00-0C-E6-AC-A2-E8-BF-8E-E5-85-89-E4-B8-B4-0D-03-01-01-02-00-FF-00-00-00-09-E4-BD-99-E4-BD-8D-3A-37-34-00-0A-20-E4-B8-B4-E6-97-B6-E8-BD-A6-2C-E4-BA-AC-41-38-38-38-38-38-2C-E6-AC-A2-E8-BF-8E-E5-85-89-E4-B8-B4-00-6B-E7"; |
| | | String s1 = s.replaceAll("-", ""); |
| | | byte[] bytes = HexString2Bytes(s1); |
| | | for (byte aByte : bytes) { |
| | | System.out.print(aByte + " "); |
| | | } |
| | | } |
| | | } |