转载邹建blog http://blog.csdn.net/zjcxc/archive/2003/12/29/20085.aspx
从dBase文件中,导入数据到SQL数据库中,很简单,直接用下面的语句:
/*===================================================================*/--如果接受数据导入的表已经存在insert into 表 select * from openrowset('MICROSOFT.JET.OLEDB.4.0','dBase 5.0;DATABASE=c:/','select * from [test.dbf]')
--如果导入数据并生成表select * into 表 from openrowset('MICROSOFT.JET.OLEDB.4.0','dBase 5.0;DATABASE=c:/','select * from [test.dbf]')
/*===================================================================*/--如果从SQL数据库中,导出数据到dBase,如果dBase文件已经存在,就可以简单的用:insert into openrowset('MICROSOFT.JET.OLEDB.4.0','dBase 5.0;DATABASE=c:/','select * from [test.dbf]')select * from 表
/*--说明:DATABASE=c:/ c:/是dbf文件的存放目录'select * from [test.dbf] test.dbf是指dbf文件名--*/
--如果dBase文件不存在,就需要用到下面的存储过程了.
/*--数据导出dBase 导出表中的数据到dBase,如果文件不存在,将自动创建文件 基于通用性考虑,仅支持导出标准数据类型--邹建 2003.07(引用请保留此信息)--*/
/*--调用示例
--导出dBase p_exporttb @tbname='地区资料',@path='c:/',@over=0--*/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, --要导出的表名@path nvarchar(1000), --文件存放目录@fname nvarchar(250)='', --文件名,默认为表名@over bit=0 --是否覆盖已经存在的文件,如果不覆盖,则直接追加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 @fname=@tbname+'.dbf'
--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+@fnameinsert into #tb exec master..xp_fileexist @sqlif exists(select 1 from #tb where a=1) if @over=1 begin set @sql='del '+@sql exec master..xp_cmdshell @sql,no_output end else set @over=0else set @over=1
--数据库创建语句set @sql=@path+@fnameset @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="dBASE 5.0;' +';HDR=NO;DATABASE='+@path+'"'
--连接数据库exec @err=sp_oacreate 'adodb.connection',@obj outif @err<>0 goto lberr
exec @err=sp_oamethod @obj,'open',null,@constrif @err<>0 goto lberr
--创建表的SQLselect @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>250 then 250 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 ['+@fname +']('+substring(@sql,2,8000)+')' ,@fdlist=substring(@fdlist,2,8000)
if @over=1begin exec @err=sp_oamethod @obj,'execute',@out out,@sql if @err<>0 goto lberrend
exec @err=sp_oadestroy @obj
set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''dBase 5.0;DATABASE=' +@path+''',''select * from ['+@fname+']'')'
--导入数据exec('insert into '+@sql+'('+@fdlist+') select '+@fdlist+' from '+@tbname)
return
lberr: 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,@fdlist
go
/*--数据导出dBase 导出查询语句中的数据到dBase,如果文件不存在,将自动创建文件 基于通用性考虑,仅支持导出标准数据类型--邹建 2003.07(引用请保留此信息)--*/
/*--调用示例
--导出dBase p_exporttb @sqlstr='select * from 地区资料',@path='c:/',@over=1--*/
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@sqlstr varchar(8000), --要导出的查询名@path nvarchar(1000), --文件存放目录@fname nvarchar(250)='temp.dbf',--文件名,默认为temp@over bit=0 --是否覆盖已经存在的文件,如果不覆盖,则直接追加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 @fname='temp.dbf'
--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+@fnameinsert into #tb exec master..xp_fileexist @sqlif exists(select 1 from #tb where a=1) if @over=1 begin set @sql='del '+@sql exec master..xp_cmdshell @sql,no_output end else set @over=0else set @over=1
--数据库创建语句set @sql=@path+@fnameset @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="dBASE 5.0;' +';HDR=NO;DATABASE='+@path+'"'
--创建表的SQLdeclare @tbname sysnameset @tbname='##tmp_'+convert(varchar(38),newid())set @sql='select * into ['+@tbname+'] from('+@sqlstr+') a'exec(@sql)
--连接数据库exec @err=sp_oacreate 'adodb.connection',@obj outif @err<>0 goto lberr
exec @err=sp_oamethod @obj,'open',null,@constrif @err<>0 goto lberr
--创建表的SQLselect @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>250 then 250 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 tempdb..syscolumns a left join tempdb..systypes b on a.xtype=b.xusertypewhere 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 ['+@fname +']('+substring(@sql,2,8000)+')' ,@fdlist=substring(@fdlist,2,8000)
if @over=1begin exec @err=sp_oamethod @obj,'execute',@out out,@sql if @err<>0 goto lberrend
exec @err=sp_oadestroy @obj
set @sql='openrowset(''MICROSOFT.JET.OLEDB.4.0'',''dBase 5.0;DATABASE=' +@path+''',''select * from ['+@fname+']'')'
--导入数据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 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
