SQL.PRO_PageForIdTable

时间:2014-04-29 11:38:46   收藏:0   阅读:470
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/****** Object:  StoredProcedure [dbo].[PRO_PageForIdTable]    Script Date: 04/29/2014 11:23:21 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO


-- =============================================
-- Author:        Goosoz@163.com
-- Create date: 2013-04-03
-- Description:    
-- =============================================
CREATE proc [dbo].[PRO_PageForIdTable]
(
    @TableName  NVARCHAR(50),        --要查询的表名称,单表名称
    @FieldsName NVARCHAR(1024),    --要返回的列名称 :*
    @IdName NVARCHAR(50),        --标识列名称 能够唯一标识数据:ID
    @StrWhere NVARCHAR(max),    --要求带WHERE关键字:where addtime>‘2012‘
    @OrderASC bit,                --是否升序,0:DESC,1:ASC 要求和
    @Page INT,                    --页码从1开始
    @PageSize INT,                --
    @TotalRow INT output    -- 记录总数 
)
as
BEGIN
    SET NOCOUNT ON;
    DECLARE @sqlOrder AS NVARCHAR(512);
    DECLARE @sql AS NVARCHAR(MAX);
    if(@OrderASC=0)
        set @sqlOrder=order by +@IdName+ desc;
    else
        set @sqlOrder=order by +@IdName+ asc;
    

    begin
        if(@Page<2)
            --select top 20 id from tb_errorlog where id>33333 and id<444444 order by id desc
            set @sql= select top + CONVERT(NVARCHAR(20),@PageSize) + +@FieldsName+ from +@TableName+ +@StrWhere+ +@sqlOrder;
        else if(@OrderASC=0)
            begin
                if(@StrWhere=‘‘)
                    --        select top 20 id from tb_errorlog
                    --        where id<(select min(id) from (select top 30000 id from tb_errorlog order by id desc) as cnic_t_2012_001)
                    --        order by id desc
                    set @sql=select top + CONVERT(NVARCHAR(20),@PageSize) + +@FieldsName+ from +@TableName
                    + where +@IdName+<(select min(+@IdName+) from (select top +CONVERT(NVARCHAR(20),@PageSize*(@Page-1))+ +@IdName+ from +@TableName+ +@sqlOrder+) as cnic_t_2012_001) 
                    +@sqlOrder
                else
                    --        select top 20 id from tb_errorlog where id>33333 and id<444444
                    --        and id<(select min(id) from (select top 30000 id from tb_errorlog where id>33333 and id<444444 order by id desc) as cnic_t_2012_001)
                    --        order by id desc
                    set @sql=select top + CONVERT(NVARCHAR(20),@PageSize) + +@FieldsName+ from +@TableName+ + @StrWhere
                    + and +@IdName+<(select min(+@IdName+) from (select top +CONVERT(NVARCHAR(20),@PageSize*(@Page-1))+ +@IdName+ from +@TableName+ + @StrWhere+ +@sqlOrder+) as cnic_t_2012_001) 
                    +@sqlOrder
            end
        else
            begin
                if(@StrWhere=‘‘)
                    --        select top 20 id from tb_errorlog
                    --        where id<(select min(id) from (select top 30000 id from tb_errorlog order by id desc) as cnic_t_2012_001)
                    --        order by id desc
                    set @sql= select top + CONVERT(NVARCHAR(20),@PageSize) + +@FieldsName+ from +@TableName
                    + where +@IdName+>(select max(+@IdName+) from (select top +CONVERT(NVARCHAR(20),@PageSize*(@Page-1))+ +@IdName+ from +@TableName+ +@sqlOrder+) as cnic_t_2012_001) 
                    +@sqlOrder
                else
                    --        select top 20 id from tb_errorlog where id>33333 and id<444444
                    --        and id<(select min(id) from (select top 30000 id from tb_errorlog where id>33333 and id<444444 order by id desc) as cnic_t_2012_001)
                    --        order by id desc
                    set @sql=select top + CONVERT(NVARCHAR(20),@PageSize) + +@FieldsName+ from +@TableName+ + @StrWhere
                    + and +@IdName+>(select max(+@IdName+) from (select top +CONVERT(NVARCHAR(20),@PageSize*(@Page-1))+ +@IdName+ from +@TableName+ + @StrWhere+ +@sqlOrder+) as cnic_t_2012_001) 
                    +@sqlOrder
                end
    end
    --print (@sql);
    exec (@sql);
    set @sql=set @RowCount=(select count(+@FieldsName+) from +@TableName+ +@StrWhere+);
    exec sp_executesql @sql, N@RowCount int output, @TotalRow output;
END


GO
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            SqlParameter[] Param = new SqlParameter[]{
                new SqlParameter("@TableName","tb-xxx"),//0
                new SqlParameter("@FieldsName","*"),//1
                new SqlParameter("@IdName","ID"),//2
                new SqlParameter("@StrWhere",sql.ToString()),//3 带where
                new SqlParameter("@OrderASC",SortType==1),//4 此参数必须先强制转换为object类型
                new SqlParameter("@Page",page),//5
                new SqlParameter("@PageSize",pageSize),//6
                new SqlParameter("@TotalRow",0)//7
            };
            Param[7].Direction = ParameterDirection.Output;
            using (SqlDataReader dr = DbHelperSQL.RunProcedure("PRO_PageForIdTable", Param))
            {
                while (dr.Read())
                {
                    rtun.Add(GetModel(dr));
                }
                dr.Close();
            }
            TotalRow = Convert.ToInt32(Param[7].Value);
            MaxPage = Units.GetPageCount(TotalRow, pageSize);
            return rtun;
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