SQL SERVER 2005分页存储过程

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go

ALTER PROCEDURE [dbo].[PE011_Page]
  @TableName varchar(50),        --表名
 @Fields varchar(5000) = '*',    --字段名(全部字段为*)
 @OrderField varchar(5000),        --排序字段(必须!支持多字段)
 @sqlWhere varchar(5000) = Null,--条件语句(不用加where)
 @pageSize int,                    --每页多少条记录
 @pageIndex int = 1 ,            --指定当前为第几页
 @totalRecord int = 0 output,
 @TotalPage int output            --返回总页数
AS
BEGIN
   
     Begin Tran --开始事务

    Declare @sql nvarchar(4000);

    if @totalRecord<=0 begin
        --计算总记录数
            
        if (@SqlWhere='' or @sqlWhere=NULL)
            set @sql = 'select @totalRecord = count(*) from ' + @TableName
        else
            set @sql = 'select @totalRecord = count(*) from ' + @TableName + ' with(nolock) where ' + @sqlWhere

        EXEC sp_executesql @sql,N'@totalRecord int OUTPUT',@totalRecord OUTPUT--计算总记录数      
    end

    --计算总页数
    select @TotalPage=CEILING((@totalRecord+0.0)/@PageSize)

    if (@SqlWhere='' or @sqlWhere=NULL)
        set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ' desc ) as rowId,' + @Fields + ' from ' + @TableName
    else
        set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ' desc) as rowId,' + @Fields + ' from ' + @TableName + ' with(nolock) where ' + @SqlWhere   
       

    --处理页数超出范围情况
    if @PageIndex<=0
        Set @pageIndex = 1
   
    if @pageIndex>@TotalPage
        Set @pageIndex = @TotalPage

     --处理开始点和结束点
    Declare @StartRecord int
    Declare @EndRecord int
   
    set @StartRecord = (@pageIndex-1)*@PageSize + 1
    set @EndRecord = @StartRecord + @pageSize - 1

    --继续合成sql语句
    set @Sql = @Sql + ') as t where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' +  Convert(varchar(50),@EndRecord)
     print @sql  
    Exec(@Sql)
    ---------------------------------------------------
    If @@Error <> 0
      Begin
        RollBack Tran
       set @totalRecord=-1
      End
     Else
      Begin
        Commit Tran
        Return @totalRecord ---返回记录总数
      End  
END