package com.wiseweb.util;import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import sun.misc.BASE64Encoder;public class MD5 {    public static String EncoderByMd5(String str)            throws NoSuchAlgorithmException, UnsupportedEncodingException {        // MD5 加密，BASE64解析成字符串        MessageDigest md5 = MessageDigest.getInstance("MD5");        BASE64Encoder base64en = new BASE64Encoder();        String newStr = base64en.encode(md5.digest(str.getBytes("utf-8")));        return newStr;    }}

public static String EncoderByMd5(String sourceStr) {        String result = "";        try {            MessageDigest md = MessageDigest.getInstance("MD5");            md.update(sourceStr.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));            }                        result = buf.toString();            System.out.println("MD5(" + sourceStr + ",32) = " + result);
            System.out.println("MD5(" + sourceStr + ",16) = " + buf.toString().substring(8, 24));
         } catch (NoSuchAlgorithmException e) {            System.out.println(e);        }        return result;    }