/*--數據導出Excel
導出表中的數據到Excel,包含字段名,文件為真正的Excel文件
,如果文件不存在,將自動創建文件
,如果表不存在,將自動創建表
基於通用性考慮,僅支持導出標准數據類型
--作者: 鄒建 --*/
/*--調用示例
p_exporttb @tbname='地區資料',@path='c:\',@fname='aa.xls'
--*/
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]
GO
create proc p_exporttb
@tbname sysname, --要導出的表名,注意只能是表名/視圖名
@path nvarchar(1000), --文件存放目錄
@fname nvarchar(250)='' --文件名,默認為表名
as
declare @err int,@src nvarchar(255),@desc nvarchar(255),@out int
declare @obj int,@constr nvarchar(1000),@sql varchar(8000),@fdlist varchar(8000)
--參數檢測
if isnull(@fname,'')='' set @fname=@tbname+'.xls'
--檢查文件是否已經存在
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
--數據庫創建語句
set @sql=@path+@fname
if exists(select 1 from #tb where a=1)
set @constr='DRIVER={Microsoft Excel Driver (*.xls)};DSN='''';READONLY=FALSE'
+';CREATE_DB="'+@sql+'";DBQ='+@sql
else
set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended PropertIEs="Excel 5.0;HDR=YES'
+';DATABASE='+@sql+'"'
--連接數據庫
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
--創建表的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 syscolumns a left join systypes b on a.xtype=b.xusertype
where b.name not in('image','text','uniqueidentifIEr','sql_variant','ntext','varbinary','binary','timestamp')
and object_id(@tbname)=id
selec
