实例代码
<?phpclass Aes{protected $key='';protected $iv='';/*** @param $key* @param $iv* @return $this* 配置 key iv*/public function instance($key,$iv){$this->key=$key;$this->iv=$key;return $this;}/*** @param $input* @return string* 加密*/public function encrypt($input){$data = openssl_encrypt($input, 'AES-256-CBC', $this->key, OPENSSL_RAW_DATA, $this->hexToStr($this->iv));$data = base64_encode($data);return $data;}/*** @param $input* @return string* 解密*/public function decrypt($input){$decrypted = openssl_decrypt(base64_decode($input), 'AES-256-CBC', $this->key, OPENSSL_RAW_DATA, $this->hexToStr($this->iv));return $decrypted;}/*** @param $hex* @return string* hex转换*/public function hexToStr($hex){$string='';for ($i=0; $i < strlen($hex)-1; $i+=2){$string .= chr(hexdec($hex[$i].$hex[$i+1]));}return $string;}}
可以直接复制使用，php的aes加密类库
