通用存储过程分页

/****** Object:  StoredProcedure [dbo].[lenlian_data01_list]    Script Date: 05/21/2015 13:43:04 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

ALTER PROCEDURE [dbo].[lenlian_data01_list]

(
@pageIndex int, --要显示的页的索引
@pageSize int, --分页的大小
@TableName  varchar (1000), --要进行分页的表，也可以用联接，如dbo.employee或dbo.employee INNER JOIN dbo.jobs ON (dbo.employee.job_id=dbo.jobs.job_id)
@Fields  varchar(5000)='*', --表中的字段，可以使用*代替
@OrderField  varchar(500), --要排序的字段
@sqlWhere varchar(1000)=NULL, --WHERE子句
@TotalPage int output, --页的总数
@RecordCount int output --总记录数

)

as

begin

    Begin Tran

    Declare @sql nvarchar(4000);

    Declare @totalRecord int; --记录总数

    if (@sqlWhere IS NULL or @sqlWhere = '')

       set @sql = 'select @totalRecord = count(*) from [' + @TableName+']'

    else

       set @sql = 'select @totalRecord = count(*) from [' + @TableName + '] where 1=1 ' + @sqlWhere

    --执行sql语句得到记录总数

    EXEC sp_executesql @sql,N'@totalRecord int OUTPUT',@totalRecord OUTPUT 

    select @TotalPage=CEILING((@totalRecord+0.0)/@PageSize)

    select @RecordCount=CEILING(@totalRecord)

    --根据特定的排序字段为为行分配唯一ROW_NUMBER的顺序

    if (@sqlWhere IS NULL or @sqlWhere = '')

       set @sql = 'select * from (select ROW_NUMBER() over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from [' + @TableName+']'

    else

       set @sql = 'select * from (select ROW_NUMBER() over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from [' + @TableName + '] where 1=1 ' + @SqlWhere

    --确保当前页的索引在合理的范围之内

    if @PageIndex<=0 

       Set @pageIndex = 1

    if @pageIndex>@TotalPage

       Set @pageIndex = @TotalPage

    --得到当前页在整个结果集中准确的ROW_NUMBER值

    Declare @StartRecord int

    Declare @EndRecord int

    set @StartRecord = (@pageIndex-1)*@PageSize + 1

    set @EndRecord = @StartRecord + @pageSize - 1

    --输出当前页中的数据

    set @Sql = @Sql + ') as t' + ' where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' +   Convert(varchar(50),@EndRecord)

    Exec(@Sql)

    If @@Error <> 0

       Begin

           RollBack Tran

           Return -1

       End

    Else

       Begin

           Commit Tran

           Return @totalRecord

       End    

End