SjMes/BBMPTMes/MESClassLibrary/BLL/BasicInfo/ImgVideoBLL.cs

using MESClassLibrary.BLL.Log;
using MESClassLibrary.EFModel;
using MESClassLibrary.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;

namespace MESClassLibrary.BLL.BasicInfo
{
    public class ImgVideoBLL
    {
        BBMPTEntities ef = new BBMPTEntities();
        BasicBLL<tb_ImgVideo> db = new BasicBLL<tb_ImgVideo>();

        /// <summary>
        /// 新增信息
        /// </summary>
        /// <param name="md"></param>
        /// <returns></returns>
        public bool AddInfo(tb_ImgVideo md)
        {
            try
            {

                var list = db.SearchInfoByKey("fileName", md.fileName);//判断是否有重复数据
                if (list != null)
                {
                    return false;

                }

                return db.AddInfo(md);
            }
            catch (Exception ex)
            {
                LogErrBLL.AddInfo(ex.ToString(), MethodBase.GetCurrentMethod());
                return false;
            }

        }
        /// <summary>
        /// 修改信息
        /// </summary>
        /// <param name="md"></param>
        /// <returns></returns>
        public bool UpdateInfo(tb_ImgVideo md)
        {
            try
            {
                //初始化要更新的字段
                string[] proNames = new string[3];
                proNames[0] = "fileUrl";
                proNames[1] = "fileName";
                proNames[2] = "UpdateTime";

                //必填字段初始化，如果不需要更新必填字段则设置为空即可，时间类型无需初始化
                //如果没有初始化必填字段，更新会报错
                //md.Des = "";

                return db.UpdateInfo(md, proNames);
            }
            catch (Exception ex)
            {
                LogErrBLL.AddInfo(ex.ToString(), MethodBase.GetCurrentMethod());
                return false;
            }

        }

        /// <summary>
        /// 删除信息
        /// </summary>
        /// <param name="md"></param>
        /// <param name="flag"></param>
        /// <returns></returns>
        public bool DeleteInfo(tb_ImgVideo md)
        {
            try
            {
                return db.DelInfo(md);
            }
            catch (Exception ex)
            {
                LogErrBLL.AddInfo(ex.ToString(), MethodBase.GetCurrentMethod());
                return false;
            }

        }

        /// <summary>
        /// 查询全部信息分页
        /// </summary>
        /// <returns></returns>
        public string SearchInfoAll(string page, string pagesize)
        {
            try
            {
                string jsonStr = "[]";
                int total = 0;//总行数

                List<tb_ImgVideo> list = ef.tb_ImgVideo.OrderByDescending(p=>p.CreateTime).ToList();

                total = list.Count;
                int Skipcount = (Convert.ToInt32(page) - 1) * Convert.ToInt32(pagesize);
                list = list.Skip(Skipcount).Take(Convert.ToInt32(pagesize)).ToList();

                JsonDataModel<tb_ImgVideo> md = new JsonDataModel<tb_ImgVideo>();
                md.total = total.ToString();
                md.rows = list;
                return JSONTools.ScriptSerialize(md);
            }
            catch (Exception ex)
            {
                LogErrBLL.AddInfo(ex.ToString(), MethodBase.GetCurrentMethod());
                return null;
            }

        }

        /// <summary>
        /// 根据ID查询信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public tb_ImgVideo SearchInfoByID(string id)
        {
            try
            {
                return db.SearchInfoByID(id);
            }
            catch (Exception ex)
            {
                LogErrBLL.AddInfo(ex.ToString(), MethodBase.GetCurrentMethod());
                return null;
            }

        }
    }
}