package com.rk.utils; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Md5Utils { private Md5Utils() { } public static String Md5(String plainText) { try { MessageDigest md = MessageDigest.getInstance("MD5"); md.update(plainText.getBytes()); byte b[] = md.digest(); int i; StringBuffer buf = new StringBuffer(""); for (int offset = 0; offset < b.length; offset++) { i = b[offset]; if (i < 0) i += 256; if (i < 16) buf.append("0"); buf.append(Integer.toHexString(i)); } return buf.toString(); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("服务器错误 :" + e); } } }
原文地址:http://lsieun.blog.51cto.com/9210464/1790445