笔记328 导出表数据到EXCEL2003 邹建 需要在数据库建立一个存储过程 2013-7-20

笔记328 导出表数据到EXCEL2003 邹建 需要在数据库建立一个存储过程   2013-7-20

--导出表数据到EXCEL2003 邹建 需要在数据库建立一个存储过程   2013-7-20

USE [GPOSDB]  --需要导出表数据的 数据库
GO
/*--数据导出EXCEL

导出查询中的数据到Excel,包含字段名,文件为真正的Excel文件
如果文件不存在,将自动创建文件
如果表不存在,将自动创建表
基于通用性考虑,仅支持导出标准数据类型

--邹建 2003.10(引用请保留此信息)--*/

/*--调用示例

p_exporttb @sqlstr='select * from 地区资料'
,@path='c:\',@fname='aa.xls',@sheetname='地区资料'
--*/
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='temp2012.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
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 8.0;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 like '%char'
then case when a.length>255 then 'memo'
else 'text('+cast(a.length as varchar)+')' end
when b.name like '%int' or b.name='bit' then 'int'
when b.name like '%datetime' then 'datetime'
when b.name like '%money' then 'money'
when b.name like '%text' then 'memo'
else b.name end
FROM tempdb..syscolumns a left join tempdb..systypes b on a.xtype=b.xusertype
where b.name not in('image','uniqueidentifier','sql_variant','varbinary','binary','timestamp')
and a.id=(select id from tempdb..sysobjects where name=@tbname)

if @@rowcount=0 return

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 8.0;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

-----------------------------------------------------------------
--打开开关
-- To allow advanced options to be changed.
EXEC sp_configure 'show advanced options', 1
GO
-- To allow advanced options to be changed.
EXEC sp_configure 'Ole Automation Procedures', 1
GO

EXEC sp_configure 'Ad Hoc Distributed Queries', 1
GO

-- To update the currently configured value for advanced options.
RECONFIGURE
GO
------------------------------------------------------------------

--只支持EXCEL2003 将文件名改为Export2xls_ByProc.xlsx EXCEL2007后缀会报错
p_exporttb @sqlstr='select * from dbo.CT_FuelingData'
,@path='c:\',@fname='Export2xls_ByProc.xls',@sheetname='加油记录'