BLL/AchieveBLL/RequestionBLL.cs

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using AchieveCommon;
using AchieveDALFactory;
using AchieveEntity;
using AchieveInterfaceDAL;
using System;
using System.Collections.Generic;
using System.Data;

namespace AchieveBLL
{
    public class NewsBLL
    {
        private INewsDAL dal = DALFactory.GetNewsDAL();

        public NewsBLL()
        { }

        #region Method

        /// <summary>
        /// 获取分页数据
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="columns">要取的列名（逗号分开）</param>
        /// <param name="order">排序</param>
        /// <param name="pageSize">每页大小</param>
        /// <param name="pageIndex">当前页</param>
        /// <param name="where">查询条件</param>
        /// <param name="totalCount">总记录数</param>
        public string GetPager(string tableName, string columns, string order, int pageSize, int pageIndex, string where, out int totalCount)
        {
            DataTable dt = SqlPagerHelper.GetPager(tableName, columns, order, pageSize, pageIndex, where, out totalCount);
            return JsonHelper.ToJson(dt);
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(NewsEntity model)
        {
            return dal.Add(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public int Update(NewsEntity model)
        {
            return dal.Update(model);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int id)
        {
            return dal.Delete(id);
        }

        /// <summary>