md5工具类

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

import sun.misc.BASE64Encoder;

 

       public static String md5(String str){

        MessageDigest md5;

        String jiustr = str;

        String xinstr = "" ;

          try {

             md5 = MessageDigest. getInstance( "MD5");

               byte [] bs = md5.digest(jiustr.getBytes());

                  BASE64Encoder encoder = new BASE64Encoder();

                  xinstr = encoder.encode(bs);

         } catch (NoSuchAlgorithmException e) {

             e.printStackTrace();

         }

          return xinstr;

       }