package com.gyarmy.test;



import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;



public class Md5Utils {

	

	public static String md5(String value){

		

		String md5Str = "";

		

		try {

			MessageDigest md5 = MessageDigest.getInstance("MD5");

			byte[] myValue = value.getBytes();

			byte[] md5Value = md5.digest(myValue);

			

			//输出md5的值

			for(byte b : md5Value){

				//System.out.print(Integer.toHexString(b)+" - ");

				int d = b & 0xff;

				String hexString = Integer.toHexString(d);

				if(hexString.length() == 1){

					hexString = "0" + hexString; 

				}

				//md5String.append(hexString);

				md5Str+=hexString;

			}

			

		} catch (NoSuchAlgorithmException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		

		return md5Str+"";

	}

	

}