优惠卷数量

app/Model/Coupon.php

@@ -74,4 +74,27 @@ class Coupon extends Model
         return self::where($params)->get($fields);
     }
 
+    /**
+     * 自增
+     * @param array $params
+     * @param string $field
+     * @param float $numeral
+     * @return int
+     */
+    public static function inc(array $params,string $field,float $numeral = 1): int
+    {
+        return self::where($params)->increment($field,$numeral);
+    }
+
+    /**
+     * 自减
+     * @param array $params
+     * @param string $field
+     * @param float $numeral
+     * @return int
+     */
+    public static function dec(array $params,string $field,float $numeral = 1): int
+    {
+        return self::where($params)->decrement($field,$numeral);
+    }
 }

app/Services/CouponService.php

@@ -130,6 +130,11 @@ class CouponService extends BaseService
                 return false;
             }
 
+            // 增加优惠卷发放数量
+            $params = array();
+            $params['coupon_id'] = $value['coupon_id'];
+            Coupon::inc($params,'coupon_take_count');
+
             // 添加弹窗表
             $data = array();
             $data['user_id'] = $user_id;