MD5加密，,package com.

MD5加密，,package com.

package com.share.barter.common;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;/** * MD5加密 */public class MD5{    public static String MD5Encode(String strSrc, String key) {    try {        MessageDigest md5 = MessageDigest.getInstance("MD5");        md5.update(strSrc.getBytes("UTF8"));        byte[] temp;        temp = md5.digest(key.getBytes("UTF8"));        return byte2hex(temp);    } catch (NoSuchAlgorithmException e) {        e.printStackTrace();    } catch (Exception e) {        e.printStackTrace();    }    return null;}/** * 二行制转字符串 * @param b * @return */    private static String byte2hex(byte[] b) {    StringBuilder hs = new StringBuilder();    String stmp;    for (int n = 0; b!=null && n < b.length; n++) {        stmp = Integer.toHexString(b[n] & 0XFF);        if (stmp.length() == 1)            hs.append('0');        hs.append(stmp);    }    return hs.toString().toUpperCase();}    private static byte[] hex2byte(byte[] b) {    if((b.length%2)!=0)        throw new IllegalArgumentException();    byte[] b2 = new byte[b.length/2];    for (int n = 0; n < b.length; n+=2) {        String item = new String(b,n,2);        b2[n/2] = (byte)Integer.parseInt(item,16);    }    return b2;}}//该片段来自于http://byrx.net