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  • C# EF 调用存储过程123

    /// <summary>
    /// 数据显示连表联查
    /// </summary>
    /// <returns></returns>
    public List<WuLianWangInfo> WlWInfos(string name = "")
    {
    var list = ConText.WlWtext.Include("JueseId").ToList();

    if (!string.IsNullOrEmpty(name))
    {
    list = list.Where(s => s.Name.Contains(name)).ToList();
    }

    return list;
    }

    /// <summary>
    /// 删除
    /// </summary>
    /// <param name="Did"></param>
    /// <returns></returns>
    public int DeleInfo(int Did)
    {
    var deid = ConText.WlWtext.Find(Did);
    ConText.WlWtext.Remove(deid);
    return ConText.SaveChanges();
    }

    /// <summary>
    /// 修改数据
    /// </summary>
    /// <param name="wuLianWang"></param>
    /// <returns></returns>
    public int UpdateInfo(WuLianWangInfo wuLianWang)
    {
    ConText.WlWtext.Attach(wuLianWang);
    ConText.Entry(wuLianWang).State = System.Data.Entity.EntityState.Modified;
    return ConText.SaveChanges();
    }

    /// <summary>
    /// 根据Id获取数据
    /// </summary>
    /// <param name="Id"></param>
    /// <returns></returns>
    public WuLianWangInfo FanTian(int Id)
    {
    return ConText.WlWtext.Find(Id);
    }

    /// <summary>
    /// 添加数据
    /// </summary>
    /// <param name="WuLian"></param>
    /// <returns></returns>
    public int AddInfo(WuLianWangInfo WuLian)
    {
    ConText.WlWtext.Add(WuLian);
    return ConText.SaveChanges();
    }

    /// <summary>
    /// 调用分页存储过程
    /// </summary>
    /// <param name="Pageindex"></param>
    /// <param name="Pagesize"></param>
    /// <returns></returns>
    public List<WuLianWangInfo> WPageProc(int Pageindex = 1,int Pagesize = 2)
    {
    var list = new List<WuLianWangInfo>();

    int Pcount = 0;

    SqlParameter Index = new SqlParameter("@PageIndex", Pageindex);
    Index.Direction = ParameterDirection.Input;

    SqlParameter Size = new SqlParameter("@PageSize", Pagesize);
    Size.Direction = ParameterDirection.Input;

    SqlParameter Count = new SqlParameter("@PageCount", Pcount);
    Count.Direction = ParameterDirection.Output;

    ConText.WlWtext.SqlQuery("exec Proc_Page", new SqlParameter[] { Index, Size, Count });

    return list;
    }

    BLL Redis

    ProdudctDal produdctDal = new ProdudctDal();
    public List<ProductInfo> Show(int pageIndex, int pagesize, string name)
    {
    //实例化一个集合
    var list = new List<ProductInfo>();

    #region MyRegion
    //

    //连接到redis
    RedisClient client = new RedisClient("127.0.0.1");

    //从redis 获取 key是 products 的值,值的类型是 List<ProductInfo>
    list = client.Get<List<ProductInfo>>("products");

    //判断下 从redis里面获取的值 是不是null 或者条数是不是0
    if (list == null || list.Count == 0)
    {
    //缓存没获取到值 从数据库查询一遍
    list = produdctDal.Show(pageIndex, pagesize, name);

    //把从数据库里面获取到的 写到缓存里面
    client.Set<List<ProductInfo>>("products", list);
    }
    #endregion

    return list;
    }

    ----------------------------------查询分页------------------------------
    if OBJECT_ID('P_Show') is not null
    drop proc P_Show
    GO
    CREATE proc P_Show
    @pageIndex int,
    @pageSize int,
    @UserName varchar(50)=null,
    @totalCount int out
    as

    declare @sql varchar(max),--sql语句
    @sqlWhere varchar(max),--查询条件
    @rid int --序列号

    ---初始化变量
    set @sql=''
    set @sqlWhere=''
    set @rid=(@pageIndex-1)*@pageSize
    set @totalCount=(select COUNT(1) from UserInfo)

    if @UserName is not null
    begin
    set @sqlWhere=' and UserName like ''%'+@UserName+'%'''
    set @totalCount=(select COUNT(1) from UserInfo where UserName like '%'+@UserName+'%')
    end

    set @sql='select top '+STR(@pageSize)+' * from
    (
    select *,ROW_NUMBER() over(order by UserDate) as rid from UserInfo where 1=1 '+@sqlWhere+'
    ) temp
    where rid>'+STR(@rid)
    exec (@sql)

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  • 原文地址:https://www.cnblogs.com/lzc1/p/13448257.html
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