package com.tszr.eBusiness.util; import java.security.MessageDigest; public class MD5Util { /*** * MD5加码生成32位md5码 */ public static String string2MD5(String inStr) { MessageDigest md5 = null; try { md5 = MessageDigest.getInstance("MD5"); } catch (Exception e) { System.out.println(e.toString()); e.printStackTrace(); return ""; } char[] charArray = inStr.toCharArray(); byte[] byteArray = new byte[charArray.length]; for (int i = 0; i < charArray.length; i++){ byteArray[i] = (byte) charArray[i]; } 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(); } /*** * 自己规则加密 * @param inStr * @return */ public static String MD5(String inStr){ String xy = "abc"; String finalStr=""; if(inStr!=null){ String fStr = inStr.substring(0, 1); String lStr = inStr.substring(1, inStr.length()); finalStr = string2MD5( fStr+xy+lStr); }else{ finalStr = string2MD5(xy); } return finalStr; } }