package cn.shangyu.gdxzExpert.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.apache.commons.codec.digest.DigestUtils;

public class MD5Utils {
	private static String YAN = "sadw44dwddwd4w4ef4r5442366edf";
	public static String md5Encrypt(String str){
		try {
			MessageDigest digest = MessageDigest.getInstance("md5");
			byte[] bys = digest.digest((str+YAN).getBytes());
			StringBuilder sb = new StringBuilder();
			for(byte bb : bys){
				int num = bb & 0xff;
				String hex = Integer.toHexString(num);
				if(hex.length() == 1){
					sb.append("0");
				}
				sb.append(hex);
			}
			return sb.toString();
		} catch (NoSuchAlgorithmException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;	
	}
	
	/**
	 * 
	 * md5Hex 
	 * 使用Apache digest做md5加密
	 * @param str
	 * @return   
	 * String
	 */
	public static String md5Hex(String str){
		return DigestUtils.md5Hex(str);
		
	}
	
}