BLL/BLLOpenBills.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using Common;
using DA;


namespace BLL
{
    public static class BLLOpenBills
    {
        /// <summary>
        /// 查询所有结账信息
        /// </summary>
        /// <param name="tsId"></param>
        /// <returns></returns>
        public static List<COpenBills> BLLOpenBillsQuery()
        {
            using (DBOpenBills dbop = new DBOpenBills())
            {
                return dbop.DBOpenBillsQuery();
            }
        }

        /// <summary>
        ///获得某日外带总次数
        /// </summary>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static int BLLTakeOut(DateTime dt)
        {
            using (DBOpenBills dbop = new DBOpenBills())
            {
                return dbop.GetAllTakeOut(dt);
            }
        }


        public static int BLLTakeOutHistory(DateTime dt)
        {
            using (DBOpenBills dbop = new DBOpenBills())
            {
                return dbop.GetAllTakeOutHistory(dt);
            }
        }

        /// <summary>
        /// 根据时间查询结账信息的业务
        /// </summary>
        /// <param name="start">起始日期</param>
        /// <param name="end">截止日期</param>
        /// <returns></returns>
        public static List<COpenBills> BLLOpenBillsDate(DateTime start, DateTime end)
        {
            using (DBOpenBills dbop = new DBOpenBills())
            {
                return dbop.DBOpenBillsDate(start, end);
            }