public function pay()
{
$user = session('user');
$tools = new JsApiPay();
$openId = $tools->GetOpenid();
session('openId', $openId);
if ($user) {
$this->assign('jifen', $user['jifen']);
}
$this->display();
}
/**
* 根据订单信息生成签名
* @param $data 订单信息
* @return Weixin\json数据|null
* @throws Weixin\WxPayException
*/
public function jspay($data)
{
$jsApiParameters = null;
if ($data) {
$tools = new JsApiPay();
$openId = session('openId');
$input = new WxPayUnifiedOrder();
$input->SetBody($data['body']);
$input->SetAttach($data['attach']);
$input->SetTotal_fee(intval($data['total_fee']));
$input->SetGoods_tag($data['goods_tag']);
$input->SetNotify_url($data['notify_url']);
$input->SetOut_trade_no($data['order_id']);
$input->SetTime_start($data['time']);
$input->SetTime_expire(date("YmdHis", time() + 600));
$input->SetTrade_type("JSAPI");
$input->SetOpenid($openId);
$order = WxPayApi::unifiedOrder($input);
$jsApiParameters = $tools->GetJsApiParameters($order);
}
return $jsApiParameters;
}