ALTER procedure dbo.CommonRowToCol

    @sql nvarchar(4000)

as

begin

--必须包含colname列和result列(不区分大小写),

--除colname列和result列 其余各列均会作为判别记录唯一性的条件

--使用时,只需将要作为列名的字段定义为colname,将欲显示的列定义为result即可

--如select student as 学生 ,course as colname,score result from class  

    create table #temp([序号] int IDENTITY(1,1))

    declare @sqlTemp nvarchar(4000),@sql_select nvarchar(1000),@temp nvarchar(500)

    declare @sql_All nvarchar(4000),@sql_Table nvarchar(1000),@sql_declare nvarchar(1000),@sql_Fetch nvarchar(1000) ,

            @sql_id nvarchar(1000),@sql_id2 nvarchar(1000),@sql_insert nvarchar(1000),@sql_value nvarchar(1000)  

    set @sql_select = '' set @sql_All = '' set @sql_Table ='' set @sql_declare = '' set @sql_Fetch = ''

    set @sql_id = '' set @sql_id2 = '' set @sql_insert='' set @sql_value = ''  

    set @sql = lower(LTRIM(@sql))

    set @sqlTemp = @sql

    set @sqlTemp = ' select top 0 * into #tempTbl from ('+@sqlTemp+')z '+

        ' select @temp =  Name+'',''+@temp from ( select top 1111 name from tempdb..syscolumns where id = object_id(N''tempdb..#tempTbl'') order by colorder )z '

    EXECUTE sp_executesql @sqlTemp, N'@temp nvarchar(1000) output',@sql_select output  

    while charindex(',',@sql_select) > 0

    begin

        select @temp = lower(LEFT(@sql_select,charindex(',',@sql_select)-1))

        select @sql_select = stuff(@sql_select,1,charindex(',',@sql_select),'')  

        if (@temp <> 'colname') and (@temp<>'result')

        begin

            set @sql_Table = ' ['+@temp+'] nvarchar(1000),' + @sql_Table

            set @sql_insert = ' ['+@temp+'],' + @sql_insert

            set @sql_value ='isnull(@'+@temp+',''''),'+@sql_value

            set @sql_id =  ' ['+@temp+'] =  isnull(@'+@temp+','''') and' + @sql_id

            set @sql_id2 = ' ['+@temp+'] =  isnull(''''''+@'+@temp+'+'''''' ,'''''''') and' + @sql_id2

        end;

        set @sql_declare = ' @'+@temp+' nvarchar(1000),'+@sql_declare

        set @sql_Fetch = ' @'+@temp+','+@sql_Fetch

    end;

    set @sql_Table = 'ALTER TABLE #temp ADD ' +left(@sql_Table,len(@sql_table)-1)+' '

    set @sql_declare = 'declare @sqlTemp nvarchar(4000),' +left(@sql_declare,len(@sql_declare)-1) + ' '

    set @sql_Fetch = left(@sql_Fetch,len(@sql_fetch)-1) + ' '

    set @sql_id = left(@sql_id,len(@sql_id)-3) + ' '

    set @sql_id2 = left(@sql_id2,len(@sql_id2)-3) + ' '

    set @sql_insert = left(@sql_insert,len(@sql_insert)-1) + ' '

    set @sql_value = left(@sql_value,len(@sql_value)-1) + ' '  

    set @sql_All = @sql_declare +

            ' Declare myCur Cursor   For '+ @sql + ' Open myCur Fetch NEXT From myCur Into '+ @sql_Fetch+

            ' While @@fetch_status=0 Begin '+

            '   if not exists(select * from tempdb..syscolumns where id = object_id(N''tempdb..#temp'') and name = @colName)

                begin

                    set @sqlTemp =''alter table #temp add [''+@colName+''] nvarchar(4000) ''

                    exec(@sqlTemp)

                end

                if not exists(select * from #temp where '+@sql_id+')

                begin

                    insert into #temp('+@sql_insert+') values('+@sql_value+')

                end   

                set @sqlTemp ='' update #temp set [''+@colName+''] = isnull(''''''+@result+'''''','''''''') where ' + @sql_id2+'''

                exec(@sqlTemp)  

                Fetch NEXT From myCur Into '+ @sql_Fetch+

            'end

            Close myCur

            Deallocate myCur

            select * from #temp

            '  

    exec (@sql_Table)

    exec(@sql_All)

end