/**
* 获取微信支付时的签名
*
* @param null|array $charge
* @param null|string $url
* @return string
* @throws InvalidConfigException
*/
public function getWechatSignature($charge = null, $url = null)
{
if ($charge === null) {
$charge = $this->getCharge(true);
}
if (!isset($charge['credential']) || !isset($charge['credential']['wx_pub'])) {
throw new \BadMethodCallException('Credential must be ' . Channel::WX_PUB);
}
$component = $this->getComponent();
$jsApiTicket = $component->getJsApiTicket();
if ($url === null) {
$url = Url::current([], true);
}
return WxpubOAuth::getSignature($this->getCharge(true), $jsApiTicket, $url);
}
public function getSignature(Charge $charge, $ticket, $url = null)
{
return WxpubOAuth::getSignature($charge, $ticket, $url);
}