增加可用优惠券数量

src/main/java/com/chaozhanggui/system/cashierservice/service/UserService.java

@@ -36,6 +36,10 @@ public class UserService {
     @Autowired
     private TbUserInfoMapper userInfoMapper;
     @Autowired
+    private TbUserCouponsMapper userCouponsMapper;
+    @Autowired
+    private TbSystemCouponsMapper systemCouponsMapper;
+    @Autowired
     RedisUtils redisUtils;
 
     public JSONObject modityIntegral(IntegralVo integralVo, String userSign) {
@@ -218,4 +222,10 @@ public class UserService {
         result.put("data", pageInfo);
         return result;
     }
+
+    public int userCoupon(String userId, BigDecimal orderNum) {
+        int userNum = userCouponsMapper.selectByUserIdAndAmount(userId,orderNum);
+        int sysNum = systemCouponsMapper.selectByAmount(orderNum);
+        return  userNum+sysNum;
+    }
 }