关于excel导出的有关问题

 if exists (select * from dbo.sysobjects where id = object_id(N'[dbo.[p_exporttb]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)drop procedure [dbo].[p_exporttb]GOcreate proc p_exporttb@tbname sysname,      --要导出的表名,注意只能是表名/视图名@path nvarchar(1000),     --文件存放目录@fname nvarchar(250)=''    --文件名,默认为表名asdeclare @err int,@src nvarchar(255),@desc nvarchar(255),@out intdeclare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000)--参数检测if isnull(@fname,'')='' set @[email protected]+'.xls'--检查文件是否已经存在if right(@path,1)<>'/' set @[email protected]+'/'create table #tb(a bit,b bit,c bit)set @[email protected][email protected]insert into #tb exec master..xp_fileexist @sql--数据库创建语句set @[email protected][email protected]if exists(select 1 from #tb where a=1)set @constr='DRIVER={Microsoft Excel Driver (*.xls)};DSN='''';READONLY=FALSE'+';CREATE_DB="[email protected]+'";[email protected]elseset @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="Excel 5.0;HDR=YES'+';[email protected]+'"'--连接数据库exec @err=sp_oacreate 'adodb.connection',@obj outif @err<>0 goto lberrexec @err=sp_oamethod @obj,'open',null,@constrif @err<>0 goto lberr--创建表的SQLselect @sql='',@fdlist=''select @[email protected]+','+a.name,@[email protected]+',['+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 endFROM syscolumns a left join systypes b on a.xtype=b.xusertypewhere b.name not in('image','text','uniqueidentifier','sql_variant','ntext','varbinary','binary','timestamp') and object_id(@tbname)=idselect @sql='create table [[email protected]+']('+substring(@sql,2,8000)+')',@fdlist=substring(@fdlist,2,8000)exec @err=sp_oamethod @obj,'execute',@out out,@sqlif @err<>0 goto lberrexec @err=sp_oadestroy @obj--导入数据set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''Excel 5.0;HDR=YES;[email protected][email protected]+''',[[email protected]+'$])'exec('insert into [email protected]+'([email protected]+') select [email protected]+' from [email protected])returnlberr:exec sp_oageterrorinfo 0,@src out,@desc outlbexit:select cast(@err as varbinary(4)) as 错误号,@src as 错误源,@desc as 错误描述select @sql,@constr,@fdlistgo]