byte2String、string2Byte

package cn.com.codingce;

import java.io.UnsupportedEncodingException;
import java.util.Arrays;

public class ByteToString {
    
    public static void main(String[] args) {
    
        System.out.println(Arrays.toString(ByteToString.byte2String("f0401c4db9ec49b6b3bd557eea8c8a73b860ed6062cb2472e2f66135e0a727d6")));
        System.out.println(ByteToString.string2Byte(new byte[]{
    102, 48, 52, 48, 49, 99, 52, 100, 98, 57, 101, 99, 52, 57, 98, 54, 98, 51, 98, 100, 53, 53, 55, 101, 101, 97, 56, 99, 56, 97, 55, 51, 98, 56, 54, 48, 101, 100, 54, 48, 54, 50, 99, 98, 50, 52, 55, 50, 101, 50, 102, 54, 54, 49, 51, 53, 101, 48, 97, 55, 50, 55, 100, 54}));
        byte[] bytes = ByteToString.byte2String("f0401c4db9ec49b6b3bd557eea8c8a73b860ed6062cb2472e2f66135e0a727d6");
        StringBuffer stringBuffer = new StringBuffer();
        for (int i : bytes) {
    
            stringBuffer.append("(byte)0x");
            stringBuffer.append(turn16(i));
            stringBuffer.append(", ");
        }
        System.out.println(stringBuffer);

    }

    public static byte[] byte2String(String AppSign) {
    

        byte[] bytes = new byte[AppSign.length()];
        try {
    
            bytes = AppSign.getBytes("utf-8");
            return bytes;
        } catch (UnsupportedEncodingException e) {
    
            e.printStackTrace();
        }
        return new byte[]{
    };
    }

    public static String string2Byte(byte[] bytes) {
    
        try {
    
            return new String(bytes, "utf-8");
        } catch (UnsupportedEncodingException e) {
    
            e.printStackTrace();
        }
        return "";
    }

    public static String turn16(int num){
    
        String shortTimeNum = "";
        int remainder = 0;
        String tempStr = "";
        /** * 模拟短除法 */
        while(num >= 1){
    
            remainder = num % 16;
            tempStr = getOtherNum(remainder);

            num = num / 16;
            shortTimeNum = tempStr + shortTimeNum;
        }

        return shortTimeNum;
    }

    /** * 16进制转换中的特殊处理,需要把大于9的数字转换成字母 * @param tempNum * @return */
    public static String getOtherNum(int tempNum){
    
        String tempStr = "";
        if(tempNum > 9){
    
            switch(tempNum){
    
                case 10:
                    tempStr = "A";
                    break ;
                case 11:
                    tempStr = "B";
                    break;
                case 12:
                    tempStr = "C";
                    break;
                case 13:
                    tempStr = "D";
                    break;
                case 14:
                    tempStr = "E";
                    break;
                case 15:
                    tempStr = "F";
                    break;
            }
        }else{
    
            tempStr = String.valueOf(tempNum);
        }
        return tempStr;
    }
}

输出

/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/bin/java -javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=51239:/Applications/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/lib/tools.jar:/Volumes/Victory/mxz-code/other/test/out/production/test cn.com.codingce.ByteToString
[102, 48, 52, 48, 49, 99, 52, 100, 98, 57, 101, 99, 52, 57, 98, 54, 98, 51, 98, 100, 53, 53, 55, 101, 101, 97, 56, 99, 56, 97, 55, 51, 98, 56, 54, 48, 101, 100, 54, 48, 54, 50, 99, 98, 50, 52, 55, 50, 101, 50, 102, 54, 54, 49, 51, 53, 101, 48, 97, 55, 50, 55, 100, 54]
f0401c4db9ec49b6b3bd557eea8c8a73b860ed6062cb2472e2f66135e0a727d6
(byte)0x66, (byte)0x30, (byte)0x34, (byte)0x30, (byte)0x31, (byte)0x63, (byte)0x34, (byte)0x64, (byte)0x62, (byte)0x39, (byte)0x65, (byte)0x63, (byte)0x34, (byte)0x39, (byte)0x62, (byte)0x36, (byte)0x62, (byte)0x33, (byte)0x62, (byte)0x64, (byte)0x35, (byte)0x35, (byte)0x37, (byte)0x65, (byte)0x65, (byte)0x61, (byte)0x38, (byte)0x63, (byte)0x38, (byte)0x61, (byte)0x37, (byte)0x33, (byte)0x62, (byte)0x38, (byte)0x36, (byte)0x30, (byte)0x65, (byte)0x64, (byte)0x36, (byte)0x30, (byte)0x36, (byte)0x32, (byte)0x63, (byte)0x62, (byte)0x32, (byte)0x34, (byte)0x37, (byte)0x32, (byte)0x65, (byte)0x32, (byte)0x66, (byte)0x36, (byte)0x36, (byte)0x31, (byte)0x33, (byte)0x35, (byte)0x65, (byte)0x30, (byte)0x61, (byte)0x37, (byte)0x32, (byte)0x37, (byte)0x64, (byte)0x36, 

Process finished with exit code 0