BASE64加解密

//加密
public static byte[] decode(String content) {
    byte[] result = null;
    try {
        BASE64Decoder base64Decoder = new BASE64Decoder();
        result = base64Decoder.decodeBuffer(content);
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return result;
}

//解密
public static String decodeToString(String content) {
    String result = null;
    try {
        BASE64Decoder base64Decoder = new BASE64Decoder();
        byte[] contents = base64Decoder.decodeBuffer(content);
        result = new String(contents, "UTF-8");
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return result;
}

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