本文共 1480 字，大约阅读时间需要 4 分钟。

import java.security.MessageDigest;public class MD5Util {	 /**     * 转换字节数组为16进制字串     * @param b 字节数组     * @return 16进制字串     */	public static String byteArrayToHexString(byte b[]) {          StringBuffer resultSb = new StringBuffer();          for (int i = 0; i < b.length; i++)              resultSb.append(byteToHexString(b[i]));            return resultSb.toString();      }        /**     * 转换byte到16进制     * @param b 要转换的byte     * @return 16进制格式     */    public static String byteToHexString(byte b) {          int n = b;          if (n < 0)              n += 256;          int d1 = n / 16;          int d2 = n % 16;          return hexDigits[d1] + hexDigits[d2];      }        public static String MD5Encode(String origin, String charsetname) {          String resultString = null;          try {              resultString = new String(origin);              MessageDigest md = MessageDigest.getInstance("MD5");              if (charsetname == null || "".equals(charsetname))                  resultString = byteArrayToHexString(md.digest(resultString                          .getBytes()));              else                  resultString = byteArrayToHexString(md.digest(resultString                          .getBytes(charsetname)));          } catch (Exception exception) {          }          return resultString;      }        private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5",          "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };  }

转载地址：https://yuki-ho.blog.csdn.net/article/details/52297191 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！