base64



     base64
  String str = "java12345";
  String ret = null;
  ret = new BASE64Encoder().encode(str.getBytes());
  System.out.println("加密前:" + str + " 加密后:" + ret);
  str = "amF2YTEyMzQ1";
  try {
   ret = new String(new BASE64Decoder().decodeBuffer(str));
  } catch (IOException e) {
   e.printStackTrace();
  }
  System.out.println("解密前:" + str + " 解密后:" + ret);
 }
 
}