declare @add nvarchar(255)
declare @tb nvarchar(255)
set @tb='b1'
declare mycursor cursor for select zhen from shzhen
open mycursor
fetch next from mycursor into @add
while (@@fetch_status=0)
begin
declare @sqlstr nvarchar(255)
--print @add
declare @sum int
declare @sumstr nvarchar(255)
set @sumstr='select @COUNT =count(*) from '+@tb+' where charindex('''+@add+''',address)>0'
execute sp_executesql
@sumstr,
N'@COUNT int output',
@sum output --获取总数量
if @sum>16000
begin
declare @i int
set @i=1
declare @fstr nvarchar(50)
if object_id('test.dbo.tmptb') is not null drop table tmptb
exec('select * into tmptb from '+@tb+' where charindex('''+@add+''',address)>0')
while @sum>16000
begin
set @fstr=@add+cast(@i as varchar(10))
exec p_exporttb 'select top 16000 address,name,tel,zip from tmptb',
@path='e: emp',@fname=@fstr,@sheetname=@add
exec('delete tmptb where id in (select top 16000 id from tmptb)') --删除一个excel表的数据
set @sumstr='select @COUNT =count(*) from tmptb'
execute sp_executesql
@sumstr,
N'@COUNT int output',
@sum output --获取总数量
print @i
set @i=@i+1
end 
set @fstr=@add+cast(@i as varchar(10))
exec p_exporttb 'select address,name,tel,zip from tmptb',
@path='e: emp',@fname=@fstr,@sheetname=@add
drop table tmptb
end
else
begin
set @sqlstr='select address,name,tel,zip from '+@tb+' where charindex('''+@add+''',address)>0'
exec p_exporttb @sqlstr,
@path='e: emp',@fname=@add,@sheetname=@add
end
fetch next from mycursor into @add
end
close mycursor --关闭游标
deallocate mycursor --删除游标以上用了一个导出excel的存储过程sp_executesql
create proc p_exporttb
@sqlstr varchar(8000), --查询语句,如果查询语句中使用了order by ,请加上top 100 percent
@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
declare @err int,@src nvarchar(255),@desc nvarchar(255),@out int
declare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000)
--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)
set @sql=@path+@fname
insert into #tb exec master..xp_fileexist @sql
--数据库创建语句
if exists(select 1 from #tb where a=1)
begin
set @sql='del '+@path+@fname
exec master..xp_cmdshell @sql
end
set @sql=@path+@fname
set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="Excel 5.0;HDR=YES'
+';DATABASE='+@sql+'"'
--连接数据库
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
--创建表的SQL
declare @tbname sysname
set @tbname='##tmp_'+convert(varchar(38),newid())
set @sql='select * into ['+@tbname+'] from('+@sqlstr+') a'
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)
select @sql='create table ['+@sheetname
+']('+substring(@sql,2,8000)+')'
,@fdlist=substring(@fdlist,2,8000)
exec @err=sp_oamethod @obj,'execute',@out out,@sql
if @err<>0 goto lberr
exec @err=sp_oadestroy @obj
--导入数据
set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''Excel 5.0;HDR=YES
;DATABASE='+@path+@fname+''',['+@sheetname+'$])'
exec('insert into '+@sql+'('+@fdlist+') select '+@fdlist+' from ['+@tbname+']')
set @sql='drop table ['+@tbname+']'
exec(@sql)
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
本文介绍了一种使用SQL Server存储过程批量导出数据到Excel的方法,包括处理大量数据时的分批导出策略。
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