/** * 瀛楃涓插帇缂╄В鍘� * * @param str base64缂栫爜鐨勫瓧绗︿覆 * @return * @throws IOException */ public static String zipDecompressBase64Decoding(String str) throws IOException { if (str == null || str.length() == 0) { return null; } byte[] bs = Base64.decodeBase64(String.format("H4sIAAAA%s", str)); return gunzip(bs); }