public function index()
 {
     $rawText = I('post.rawtext', '');
     $text = I('post.text', '');
     //        dump(base64_encode("hebidu"));
     //        dump(base64_decode("aGViaWR1"));
     //        $privateKey = "hebidu";
     //        $iv     = "";
     //        $string = "hebidu";
     $key = "136799711";
     //        dump(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $privateKey, $string, MCRYPT_MODE_CBC, $iv));
     //IOS AES 加密
     //kCCOptionPKCS7Padding | kCCOptionECBMode,
     //        $encodeStr = "uYjVy+FbJqXi/Ep+9OtaXA==";
     //kCCOptionPKCS7Padding | kCCOptionECBMode,
     //uYjVy+FbJqXi/Ep+9OtaXA==
     $encodeStr = "";
     if (IS_POST && (!empty($rawText) || !empty($text))) {
         if (!empty($rawText)) {
             dump($rawText);
             $encodeStr = AES::encrypt($rawText, $key);
             $this->assign("text", $encodeStr);
             dump($encodeStr);
         } else {
             dump($text);
             $encodeStr = AES::decrypt($text, $key);
             dump($encodeStr);
             $this->assign("rawtext", $encodeStr);
         }
     }
     //
     //        $encode = AES::encrypt($string,$key);
     //        dump($encode);
     //        $encode = AES::decrypt($encode,$key);
     //        dump($encode);
     $this->display();
     //        $encode="o83EVYqKiopZVlReXUw=";
     //        $encode = $crypt->AESDecryptCtr($encode,$key,128);
     //        dump($encode);
     //        $encode="o83EVYqKiopZVlReXUw=";
     //        $crypt = new Des();
     //        $encode = $crypt->encrypt($string,$key,true);
     //        $decode = $crypt->decrypt($encode,$key,true);
     //        echo $encode;
     //        echo "<br />";
     //        echo $decode;
     //
     //        $decode = $crypt->decrypt($encodeStr,$key,true);
     //        echo "<br />";
     //        echo $decode;
 }