/**
* 支付回调
*/
public function returnOp()
{
unset($_GET['act']);
unset($_GET['op']);
unset($_GET['payment_code']);
$payment_api = $this->_get_payment_api();
$payment_config = $this->_get_payment_config();
$callback_info = $payment_api->getReturnInfo($payment_config);
if ($callback_info) {
//验证成功
$result = $this->_update_order($callback_info['out_trade_no'], $callback_info['trade_no']);
if ($result['state']) {
Tpl::output('result', 'success');
Tpl::output('message', '支付成功');
} else {
Tpl::output('result', 'fail');
Tpl::output('message', '支付失败');
}
} else {
//验证失败
Tpl::output('result', 'fail');
Tpl::output('message', '支付失败');
}
Tpl::showpage('payment_message');
}