base64加密解密

/**
 * 
 */
package com.wuhongbo.common.util.encry;

import java.io.IOException;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

/**
 * Base64加密
 * 
 * @author wuhongbo
 */
public class Base64Util
{

	/**
	 * 加密
	 * 
	 * @param bstr
	 * @return String
	 */
	public static String encode(String str)
	{
		if (str == null)
		{
			str = "";
		}
		
		return new BASE64Encoder().encode(str.getBytes());
	}

	/**
	 * 解密
	 * 
	 * @param str
	 * @return string
	 */
	public static String decode(String str)
	{
		byte[] bt = null;
		try
		{
			BASE64Decoder decoder = new BASE64Decoder();
			bt = decoder.decodeBuffer(str);
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
		return new String(bt);
	}

	/**
	 * @param args
	 */
	public static void main(String[] args)
	{

		String s = "123abc中华人民共和国1111111111";
		System.out.println("原码:" + s);

		String s1 = encode(s);
		System.out.println("编码:" + s1);
		System.out.println("解码:" + decode(s1));
	}

}