SQL分页存储过程

CREATE PROCEDURE [dbo].[sp_All_Pager] 
      @tblName nvarchar(255),--表名 
      @fldNames nvarchar(1000)='*',--字段列表(默认所有字段)
      @fldOrderName nvarchar(255),--主键字段(排序用) 
      @orderType bit =0,--排序类型,非0则降序(默认升序) 
      @pageIndex int=1,--页码 
      @pageSize int =20,--页大小 
      @strWhere nvarchar(1500)='',--查询条件,不带where 
      @limitCount int =5000, --限制最多取5000条数据 
      @totalCount int output --总记录数
  AS
  BEGIN
      SET NOCOUNT ON; 
      declare @strSQL nvarchar(4000)--主语句
      declare @strTable nvarchar(500)--主查询临时表 
      declare @strOrderSQL nvarchar(1000)--总数查询语句 
      declare @strOutParam nvarchar(500)--输出参数 
      declare @strTmp nvarchar(255)--临时分页字句 max 和min 
      declare @strOrder nvarchar(255)--排序参数    
      --设置排序 
      if(@orderType != 0)
      begin
          set @strTmp = ' <(select min '
          set @strOrder = ' order by [' + @fldOrderName +'] desc'
      end
      else
      begin
          set @strTmp = ' >(select max '
          set @strOrder = ' order by [' + @fldOrderName +'] asc'
      end
      --设置主查询临时表 
      if(@strWhere!='') 
          set @strTable='(select top '+STR(@limitCount)+' '+@fldNames+' from ['+@tblName+'] where '+@strWhere+') as tmpTable'
      else
          set @strTable='(select top '+STR(@limitCount)+' '+@fldNames+' from ['+@tblName+']) as tmpTable'
      --设置总数查询语句和主语句 
      set @strOrderSQL=N'select @totalCountOut=count(1) from '+@strTable 
      set @strOutParam=N'@totalCountOut int output'
      if (@pageIndex = 1)
          set @strSQL = 'select top ' + str(@pageSize) +' '+@fldNames+ ' from ' + @strTable + @strOrder 
      else
          set @strSQL = 'select top ' + str(@PageSize) +' '+@fldNames+ ' from ' + @strTable + ' where [' + @fldOrderName + ']' + @strTmp + '(['+ @fldOrderName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['+ @fldOrderName + '] from ' + @strTable + @strOrder + ') as tblTmp) ' + @strOrder 
      exec sp_executesql @strOrderSQL,@strOutParam,@totalCountOut=@totalCount output
      exec sp_executesql @strSQL 
  END
  GO