BASE64加密/解密

import java.io.IOException;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class Base64Util {
    private static BASE64Encoder BASE64Encoder = new BASE64Encoder();

    private static BASE64Decoder BASE64Decoder = new BASE64Decoder();

    /* 加密 */
    public static String encoder( byte[] bytes) {
        return BASE64Encoder.encode(bytes);
    }

    /* 解密 */
    public static String decoder(String str) throws IOException {
        byte[] decodeBuffer = BASE64Decoder.decodeBuffer(str);
        return new String(decodeBuffer);
    }

    public static byte[] decoderByByte(String str) throws IOException {
        return BASE64Decoder.decodeBuffer(str);
    }

}