MD5

package com.util.test;


import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;


public class Md5 {
public static void main(String[] args) {
System.out.println( md5("111111"));
}
public static String md5(String plainText){
byte[]securitByte=null;
try {
MessageDigest digest= MessageDigest.getInstance("md5");
securitByte=digest.digest(plainText.getBytes());
} catch (NoSuchAlgorithmException e) {

e.printStackTrace();
}
String digestStr=new BigInteger(1,securitByte).toString(16);
StringBuilder digestBuilder=new StringBuilder(digestStr);
for(int i=0;i<32-digestStr.length();i++){
digestBuilder.append("0");
}
 
return digestBuilder.toString();
}