sql大容量数据导出到Excel(单文件多sheet方法，适合数据不超过20万)

Code

CREATE proc sqlToMultiExcelSheet

@sqlstr nvarchar(4000), --查询语句,如果查询语句中使用了order by ,请加上top 100 percent

@primaryKey varchar(100),--分页主键字段

@path nvarchar(1000), --文件存放目录

@fname nvarchar(250), --文件名

@sheetname varchar(250)='' --要创建的工作表名,默认为文件名

as

set nocount on

declare @err int,@src nvarchar(255),@out int,@desc nvarchar(255),@sheetCount int,@i int,@topCount int,@where varchar(1000),@from varchar(1000),@myWhere varchar(1000),@filename varchar(250)

declare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000),@totalCount int,@pageCount int,@mySql varchar(8000)

create table #pageTb(totalCount int)

set @from=substring(@sqlstr,charindex('from',@sqlstr)+5,len(@sqlstr)-charindex('from',@sqlstr)+1)

if charindex('where',@sqlstr)>0

set @where=substring(@sqlstr,charindex('where',@sqlstr)+6,len(@sqlstr)-charindex('where',@sqlstr)+1)

else

set @where=''

set @pageCount=65000

set @sql='select count(*) from ('+@sqlStr+') a'

insert into #pageTb execute (@sql)

select @totalCount=totalCount from #pageTb

--得出要导出的sheet数量

if @totalCount>@pageCount

set @sheetCount=@totalCount/@pageCount+1

else

set @sheetCount=1

--参数检测

if isnull(@fname,'')='' set @fname='temp.xls'

if isnull(@sheetname,'')='' set @sheetname=replace(@fname,'.','#')

--检查文件是否已经存在

if right(@path,1)<>'\' set @path=@path+'\'

create table #tb(a bit,b bit,c bit)

--创建表的SQL

declare @tbname sysname

set @tbname='##tmp_'+convert(varchar(38),newid())

set @sql='select top 1 * into ['+@tbname+'] from('+@sqlstr+') a'

--print @sql

exec(@sql)

select @sql='',@fdlist=''

select @fdlist=@fdlist+',['+a.name +']'

,@sql=@sql+',['+a.name+'] '

+case when b.name in('char','nchar','varchar','nvarchar') then

'text('+cast(case when a.length>255 then 255 else a.length end as varchar)+')'

when b.name in('tynyint','int','bigint','tinyint') then 'int'

when b.name in('smalldatetime','datetime') then 'datetime'

when b.name in('money','smallmoney') then 'money'

else b.name end

FROM tempdb..syscolumns a left join tempdb..systypes b on a.xtype=b.xusertype

where b.name not in('image','text','uniqueidentifier','sql_variant','ntext','varbinary','binary','timestamp')

and a.id=(select id from tempdb..sysobjects where name=@tbname)

set @filename=@path+@fname

truncate table #tb

insert into #tb exec master..xp_fileexist @filename

if exists(select 1 from #tb where a=1)

set @constr='DRIVER={Microsoft Excel Driver (*.xls)};DSN='''';READONLY=FALSE;CREATE_DB="'+@filename+'";DBQ='+@filename

else

set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="Excel 8.0;HDR=YES;DATABASE='+@filename+'"'

--创建Excel文件

exec @err=sp_oacreate 'adodb.connection',@obj out

if @err<>0 goto lberr

exec @err=sp_oamethod @obj,'open',null,@constr

if @err<>0 goto lberr

set @i=1

while @i<=@sheetCount

begin

--创建sheet语句

set @mySql='create table ['+@sheetname+cast(@i as varchar)+']('+substring(@sql,2,8000)+')'

--创建sheet

exec @err=sp_oamethod @obj,'execute',@out out,@mySql

if @err<>0 goto lberr

set @i=@i+1

end

--关闭Excel

exec @err=sp_oamethod @obj,'close',null

if @err<>0 goto lberr

exec @err=sp_oadestroy @obj

set @fdlist=substring(@fdlist,2,8000)

set @i=1

--导入数据

while @i<=@sheetCount

begin

set @topCount=(@i-1)*@pageCount

set @sql='-1'

if @topCount<>0

begin

set @sql='select top '+cast(@topCount as varchar)+' '+@primaryKey+' from '+@from+' order by '+@primaryKey+' asc'

set @sql='select max('+@primaryKey+') from ('+@sql+') a'

end

if @where<>''

begin

set @myWhere=@primaryKey+' >('+@sql+') and '+@where

set @sql='select top '+convert(varchar,@pageCount)+' '+@fdlist+' from '+substring(@from,1,charindex('where',@from)-2)+' where '+@myWhere

end

else

begin

set @myWhere=@primaryKey+' >('+@sql+') '

set @sql='select top '+convert(varchar,@pageCount)+' '+@fdlist+' from '+@from+' where '+@myWhere

end

set @constr='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''Excel 8.0;HDR=YES;DATABASE='+@filename+''',['+@sheetname+cast(@i as varchar)+'$])'

set ansi_nulls on

set ansi_warnings on

--print @sql

execute('insert into '+@constr+'('+@fdlist+') '+@sql)

set @i=@i+1

end

set @sql='drop table ['+@tbname+']'

exec(@sql)

set ansi_nulls off

set ansi_warnings off

return

lberr:

exec sp_oageterrorinfo 0,@src out,@desc out

lbexit:

select cast(@err as varbinary(4)) as 错误号

,@src as 错误源,@desc as 错误描述

select @sql,@constr,@fdlist

GO