//[加密数据]AES 128 ECB模式    public function aesEncrypt($str){        $screct_key = Yii::$app->params['encryptKey'];        $str = $this->addPKCS7Padding(trim($str));        $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_ECB),MCRYPT_RAND);        $encrypt_str =  mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $screct_key, $str, MCRYPT_MODE_ECB, $iv);        return bin2hex($encrypt_str);    }    //[解密数据]AES 128 ECB模式    public function aesDecrypt($str){        $screct_key = Yii::$app->params['encryptKey'];        //AES, 128 ECB模式加密数据        $str=hex2bin($str);        $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_ECB),MCRYPT_RAND);        $encrypt_str =  mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $screct_key, $str, MCRYPT_MODE_ECB, $iv);        return $this->stripPKSC7Padding($encrypt_str);    }    //[加密数据填充算法]    function addPKCS7Padding($source){        $source = trim($source);        $block = mcrypt_get_block_size('rijndael-128', 'ecb');        $pad = $block - (strlen($source) % $block);        if ($pad <= $block) {            $char = chr($pad);            $source .= str_repeat($char, $pad);        }        return $source;    }    //[解密数据移去填充算法]    function stripPKSC7Padding($text){       $len = strlen($text);          $c = $text[$len-1];          if(ord($c) <$len){              for($i=$len-ord($c); $i<$len; $i++){                  if($text[$i] != $c){                      return $text;                  }              }              return substr($text, 0, $len-ord($c));          }          }

 

public function actionIndex()    {        $c='yii2 php加密算法  aes128';        $a=$this->aesEncrypt($c);        $b=$this->aesDecrypt($a);        echo $a;        echo '
';        echo $b;        echo '
'; }