java import java.math.BigInteger; public class HexToByteArray { public static byte[] hexStringToByteArray(String s) { int len = s.length(); byte[] data = new byte[len / 2]; for (int i = 0; i < len; i += 2) {
publicclassHexToByteArrayConverter{publicstaticbyte[]hexStringToByteArray(StringhexString){intlength=hexString.length();byte[]byteArray=newbyte[length/2];for(inti=0;i<length;i+=2){StringhexPair=hexString.substring(i,i+2);byteArray[i/2]=(byte)((Character.digit(hexPair.charAt(0),16)<<4)+...
importorg.junit.jupiter.api.Test;importstaticorg.junit.jupiter.api.Assertions.*;classHexToByteArrayTest{@TestvoidtestValidHexString(){Stringhex="4a61627661";byte[]expected={74,97,118,97};assertArrayEquals(expected,HexToByteArray.hexStringToByteArray(hex));}@TestvoidtestInvalidHexString(){Stringinva...
* @param inHex 待转换的Hex字符串 * @return 转换后的byte */publicstaticbytehexToByte(String inHex){return(byte)Integer.parseInt(inHex,16);} 如果Hex超过0xFF,显然转换后结果不是一个byte,而是一个byte数组 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** * hex字符串转byte数组 * @param...
1staticString hexToString(String hex, Charset charset) {2returnnewString(newBigInteger(hex, 16).toByteArray(), charset);3} 字符串转十六进制: 1staticString stringToHex(String arg, Charset charset) {2if(arg ==null|| arg.length() == 0) {3return"";4}5byte[] bytes =arg.getBytes(charset...
*@return转换后的byte*/publicstaticbytehexToByte(String inHex){return(byte)Integer.parseInt(inHex,16); } 如果Hex超过0xFF,显然转换后结果不是一个byte,而是一个byte数组 /*** hex字符串转byte数组 *@paraminHex 待转换的Hex字符串 *@return转换后的byte数组结果*/publicstaticbyte[] hexToByteArray(Str...
private static byte[] hexStringToByteArray(String s) {String[] hexParts = s.split(" ");byte[] data = new byte[hexParts.length];for (int i = 0; i < hexParts.length; i++) {data[i] = (byte) Integer.parseInt(hexParts[i], 16);}return data;} ...
public class HexStringToByteArray { public static void main(String[] args) { String hexString = "4A6F686E20446F65"; // 16进制字符串 byte[] byteArray = DatatypeConverter.parseHexBinary(hexString); //打印转换后的byte数组 for (byte b : byteArray) { System.out.print(b + " "); } }...
System.arraycopy(byte_2, 0, byte_3, byte_1.length, byte_2.length); return byte_3; } /*输入一个string(16进制的字符hex eg:ff)输出为16进制的byte[],注意输入为小写的hex字符串*/ public byte[] hexStringToByte(String hex) { int len = (hex.length() / 2); ...
(byteb:byteArray){System.out.printf("0x%02X ",b);// 输出字节格式}}publicstaticbooleanisValidHex(Stringhex){returnhex.matches("^[0-9A-Fa-f]+$");}publicstaticbyte[]hexToByteArray(Stringhex){byte[]byteArray=newbyte[hex.length()/2];// 转换每个HEX字符为字节for(inti=0;i<hex.length()...