Exemplo n.º 1
0
        /// <summary>
        /// 根据用户位置,区域,菜品,获取周围5千米以内的骑手位置信息
        ///
        /// </summary>
        /// <param name="foodId"></param>
        /// <param name="lat"></param>
        /// <param name="lng"></param>
        /// <param name="areaId"></param>
        /// <returns></returns>
        public int[] GetRiderIdsByFoodId_Position(int foodId, decimal lat, decimal lng, int areaId)
        {
            var list = CacheHelper.GetByCondition <RiderStockJoin>("RiderStockJoin", " riderstatus=1 and  riderAreaId=" + areaId + " and foodId=" + foodId);

            int[] riderIds = list.Select(p => (int)p.riderId).Distinct().ToArray();

            List <int> r = new List <int>();

            foreach (var item in riderIds)
            {
                RiderPosition rp   = CacheHelper.GetRiderPosition(item);
                var           lat1 = Convert.ToDouble(lat);
                var           lng1 = Convert.ToDouble(lng);
                var           lat2 = Convert.ToDouble(rp.lat);
                var           lng2 = Convert.ToDouble(rp.lng);
                if (DistanceHelperHere.Distance(lat1, lng1, lat2, lng2) < 5)
                {
                    r.Add(item);
                }
            }
            return(r.ToArray());
        }
Exemplo n.º 2
0
        /// <summary>
        /// 计算骑手和目的地的距离
        /// </summary>
        /// <param name="riderId"></param>
        /// <param name="userAddressId"></param>
        /// <returns></returns>
        public decimal GetDistance(int riderId, int userAddressId, string lat, string lng)
        {
            var list = CacheHelper.GetByCondition <UserAddressView>("UserAddressView", " id=" + userAddressId);
            var ua   = list.First();
            var lat1 = 0d;
            var lng1 = 0d;
            var lat2 = 0d;
            var lng2 = 0d;

            if (ua.riderType != 2)
            {
                RiderPosition rp = CacheHelper.GetRiderPosition(riderId);
                if (rp == null)
                {
                    return(0);
                }
                lat1 = Convert.ToDouble(rp.lat);
                lng1 = Convert.ToDouble(rp.lng);
                lat2 = Convert.ToDouble(ua.lat);
                lng2 = Convert.ToDouble(ua.lng);
            }
            else
            {
                lat1 = Convert.ToDouble(ua.lat);
                lng1 = Convert.ToDouble(ua.lng);
                lat2 = Convert.ToDouble(lat);
                lng2 = Convert.ToDouble(lng);
            }



            var r  = DistanceHelperHere.Distance(lat1, lng1, lat2, lng2);
            var r2 = r.ToString("#0.0");

            return(Convert.ToDecimal(r2));
        }