public function index()
{
$smsClient = new SmsClient();
$fee = $smsClient->getEachFee();
$balance = $smsClient->getBalance();
if (empty($fee)) {
$this->assign('fee', '异常');
} else {
$this->assign('fee', $fee);
}
$this->assign('balance', $balance);
if (!empty($fee)) {
$this->assign('balancecnt', $balance / $fee);
} else {
$this->assign('balancecnt', '异常');
}
$this->display();
}
