增加buyer openId

src/main/java/com/sczx/pay/service/impl/AlipayServiceImpl.java

@@ -149,6 +149,7 @@ public class AlipayServiceImpl implements AlipayService {
             AlipayTradePayRequest request = new AlipayTradePayRequest();
             AlipayTradePayModel model = new AlipayTradePayModel();
 
+            model.setBuyerOpenId(alipayCreateRequest.getOpenId());
             // 设置商户订单号
             model.setOutTradeNo(alipayCreateRequest.getOutTradeNo());