【JAVA】SHA加密

package cn.jiami;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.codec.binary.Hex;


public class SHAUtils {
    protected static MessageDigest messageDigest = null;

    public static String getSHAString(String s) {
        try {
            messageDigest = MessageDigest.getInstance("SHA-256");
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        byte[] bytes = messageDigest.digest(s.getBytes());
        return Hex.encodeHexString(bytes);
    }
}

package cn.jiami;

import org.junit.*;
import java.io.File;
import java.io.FileInputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class UtilsTest {


    @Test
    public void shaEncrypt(){
        SHAUtils shaUtils = new SHAUtils();
        String msg = "数据";
        String enmsg = shaUtils.getSHAString(msg);
        System.out.println(enmsg);

    }
}