USE [coaleduexamdata]GO/****** Object:  StoredProcedure [dbo].[pro_PageCanOrder_2]    Script Date: 12/11/2012 16:43:58 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOALTER PROCEDURE [dbo].[pro_PageCanOrder_2]@tblName nvarchar(255), -- 表名 @strGetFields nvarchar(1000), -- 需要返回的列 @fldName nvarchar(255), -- 排序的字段名 @PageSize int, -- 页尺寸 @PageIndex int, -- 页码 @OrderType bit, -- 设置排序类型, 非 0 值则降序 @strWhere nvarchar(1500), -- 查询条件 (注意: 不要加 where) @rowCount int output --查询到的记录数 AS declare @strSQL nvarchar(4000) -- 主语句 declare @strTmp nvarchar(4000) -- 临时变量 declare @strOrder nvarchar(4000) -- 排序类型 declare @strCountTmp nvarchar(4000) --记录数 declare @timediff datetime --耗时 begin select @timediff = Getdate() if @strWhere !='' set @strCountTmp = 'select @rowCount = count(*) from [' + @tblName + '] where '+@strWhereelse set @strCountTmp = 'select @rowCount = rowCount_tmp from tmp where (table_tmp = ''' + @tblName +''')' exec sp_executesql @strCountTmp,N'@rowCount int out',@rowCount out --输出总记录数 if @OrderType != 0 begin set @strTmp = '<(select min' set @strOrder = ' order by ' + @fldName +' desc' --如果@OrderType不是0，就执行降序，这句很重要！ end else begin set @strTmp = '>(select max' set @strOrder = ' order by ' + @fldName +' asc' end if @PageIndex = 1 begin if @strWhere != '' set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from [' + @tblName + '] where ' + @strWhere + ' ' + @strOrder else set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from ['+ @tblName + '] '+ @strOrder --如果是第一页就执行以上代码，这样会加快执行速度 end else begin --以下代码赋予了@strSQL以真正执行的SQL代码 set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from [' + @tblName + '] where [' + @fldName + ']' + @strTmp + '(['+ @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['+ @fldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'+ @strOrder if @strWhere != '' set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from [' + @tblName + '] where [' + @fldName + ']' + @strTmp + '([' + @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' [' + @fldName + '] from [' + @tblName + '] where ' + @strWhere + ' ' + @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder end end exec (@strSQL) select datediff(ms,@timediff,GetDate()) as runtime