MD5加密

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package com.dianping.emidas.activityvip.action.util;import java.security.MessageDigest;public class MD5Util { /***      * MD5加密 生成32位md5码     * @param 待加密字符串     * @return 返回32位md5码     */    public static String md5Encode(String inStr) throws Exception {        MessageDigest md5 = null;        try {            md5 = MessageDigest.getInstance("MD5");        } catch (Exception e) {            System.out.println(e.toString());            e.printStackTrace();            return "";        }        byte[] byteArray = inStr.getBytes("UTF-8");        byte[] md5Bytes = md5.digest(byteArray);        StringBuffer hexValue = new StringBuffer();        for (int i = 0; i < md5Bytes.length; i++) {            int val = ((int) md5Bytes[i]) & 0xff;            if (val < 16) {                hexValue.append("0");            }            hexValue.append(Integer.toHexString(val));        }        return hexValue.toString();    }}

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