Md5Encode.java
package util;
public class Md5Encode {
public static String getMD5(byte[] source) {
String s = null;
char hexDigits[] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
try {
java.security.MessageDigest md = java.security.MessageDigest.getInstance("MD5");
md.update(source);
byte tmp[] = md.digest();
char str[] = new char[16 * 2];
int k = 0;
for (int i = 0; i < 16; i++) {
byte byte0 = tmp[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
s = new String(str);
} catch (Exception e) {
e.printStackTrace();
}
return s;
}
}
Test.java
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.UserService;
public class Test {
public static void main(String[] args) {
String password="123456";
String md5Password=Md5Encode.getMD5(password.getBytes());
System.out.println("md5Password");
}
}