package com.ydl.ydlcommon.utils; import java.security.MessageDigest; public class MD5Util { public static String md5(String str) { try { MessageDigest m = MessageDigest.getInstance("MD5"); m.update(str.getBytes("UTF8")); byte s[] = m.digest(); String result = ""; for (int i = 0; i < s.length; i++) { result += Integer.toHexString((0x000000FF & s[i]) | 0xFFFFFF00).substring(6); } return result; } catch (Exception e) { e.printStackTrace(); } return ""; } }