三种加密算法，加密后的结果都一致package com.zml.base64;import org.apache.commons.codec.binary.Base64;import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;import java.io.IOException;/** * Created with IntelliJ IDEA. * Description: * User: zhaomingli * Date: 2017-06-15 * Time: 9:11 */public class Base64T {    private static String src = "imooc security base64";    public static void main(String[] args) {//        jkdBase64();        commonCodec();    }   //JDK 实现的Base64    public static void jkdBase64(){        BASE64Encoder base64Encoder = new BASE64Encoder();        String encode = base64Encoder.encode(src.getBytes());        System.out.println("Encode"+encode);        BASE64Decoder base64Decoder = new BASE64Decoder();        try {            System.out.println("Decode"+new String(base64Decoder.decodeBuffer(encode)));        } catch (IOException e) {            e.printStackTrace();        }    } //commons Codec Base64算法    public static void commonCodec(){        byte[] encodeC = Base64.encodeBase64(src.getBytes());        System.out.println(new String(encodeC));        byte[] decodeB = Base64.decodeBase64(encodeC);        System.out.println(new String(decodeB));    }    //bouncy Castle Base64 同上}