1 import java.security.MessageDigest;
2
3 public class MD5Tools {
4 public final static String MD5(String s) {
5 char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
6 'A', 'B', 'C', 'D', 'E', 'F' };
7 try {
8 byte[] btInput = s.getBytes();
9 // 获得MD5摘要算法的 MessageDigest 对象
10 MessageDigest mdInst = MessageDigest.getInstance("MD5");
11 // 使用指定的字节更新摘要
12 mdInst.update(btInput);
13 // 获得密文
14 byte[] md = mdInst.digest();
15 // 把密文转换成十六进制的字符串形式
16 int j = md.length;
17 char str[] = new char[j * 2];
18 int k = 0;
19 for (int i = 0; i < j; i++) {
20 byte byte0 = md[i];
21 str[k++] = hexDigits[byte0 >>> 4 & 0xf];
22 str[k++] = hexDigits[byte0 & 0xf];
23 }
24 return new String(str);
25 } catch (Exception e) {
26 e.printStackTrace();
27 return null;
28 }
29 }
30
31 public static String getAccountMD5(UsAccount account){
32 String sprit ="|";
33 String key = "mooyii2015";
34 StringBuffer sb = new StringBuffer();
35 sb.append(account.getUserId()+sprit);
36 sb.append(account.getOrgId()+sprit);
37 sb.append(account.getAccountCash()+sprit);
38 sb.append(account.getAccountVirtual()+sprit);
39 sb.append(account.getAccountBonus()+sprit);
40 sb.append(key);
41 System.out.println(sb.toString());
42 return MD5(sb.toString());
43 }
44
45 public static void main(String[] args){
46 UsAccount account = new UsAccount();
47 account.setUserId("user201511021029361178621");
48 account.setOrgId("user201511021029361178621");
49 account.setAccountCash("1000");
50 account.setAccountBonus("200");
51 account.setAccountVirtual("42");
52 System.out.println(MD5Tools.getAccountMD5(account));
53 System.out.println(MD5Tools.getAccountMD5(account).length());
54 }
55 }
