/**
* 跳转到支付界面
* @param $config
*/
function wechat_redirect($config, $type = 'pay')
{
/*
* @var Omnipay\Wechat\ExpressGateway
*/
try {
// $gateway = \Omnipay\Omnipay::create('Wechat_Express');
$gateway = new \Omnipay\Wechat\ExpressGateway();
$gateway->setAppId($config['app_id']);
$gateway->setKey($config['pay_sign_key']);
$gateway->setPartner($config['partner']);
$gateway->setPartnerKey($config['partner_key']);
$gateway->setNotifyUrl($config['notify_url']);
$gateway->setReturnUrl($config['return_url']);
$gateway->setReturnUrl($config['cancel_url']);
$gateway->setCertPath($config['cert_path']);
$gateway->setCertKeyPath($config['cert_key_path']);
$out_trade_no = $_GET['out_trade_no'];
$opts = array('open_id' => array_get($config, 'open_id', false), 'subject' => $_GET['subject'], 'description' => '微信无效', 'total_fee' => $_GET['total_fee'], 'out_trade_no' => $out_trade_no);
if ($type == 'prepay') {
$res = $gateway->prePurchase(array_add($opts, 'trade_type', 'APP'))->send();
echo json_encode($res->getTransactionReference());
exit(0);
} else {
$res = $gateway->purchase($opts)->send();
}
// $res = $gateway->prePurchase($opts)->send();
// $ret = $res->getTransactionReference();
// echo $ret;
$cache = get_cache();
$cache->save($out_trade_no, $opts);
if (!empty($_GET['redirect'])) {
$res->redirect('js');
}
if (!empty($_GET['link'])) {
$url = $res->getRedirectUrl();
if (empty($_GET['qr'])) {
echo "<html>";
echo "<a href=\"{$url}\">{$url}</a>";
echo "</html>";
} else {
QRcode::png($url);
}
die;
}
$res->redirect();
} catch (\Exception $e) {
var_dump($e->getMessage());
}
}
