- import java.security.MessageDigest;
- public class MD5Util {
- 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 = (md5Bytes[i]) & 0xff;
- if (val < 16) {
- hexValue.append("0");
- }
- hexValue.append(Integer.toHexString(val));
- }
- return hexValue.toString();
- }
- public static void main(String[] args) throws Exception {
- String a = "123456";
- System.out.println("a:" + a);
- System.out.println("md5:" + md5Encode(a));
- System.out.println("md5:" + md5Encode(a).equals("e10adc3949ba59abbe56e057f20f883e"));
- }
- }
【本文是51CTO专栏作者张勇波的原创文章,转载请通过51CTO获取作者授权】