在我测试的两个电脑上都可以导出数据,而且也有内容,唯独客户的电脑,可以生成文件,但是文件里没有内容,换了两个都不可以
操作系统英文的XP,Sqlser20000 存储过程如下:/*--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 2003.10--*/ /*--调用示例 --导出dBase
p_exporttb @sqlstr='select * from 地区资料',@path='c:',@over=1
--*/
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
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.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+@fname
insert into #tb exec master..xp_fileexist @sql
if 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=0
else
set @over=1 --数据库创建语句
set @sql=@path+@fname
set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="dBASE 5.0;'
+';HDR=NO;DATABASE='+@path+'"' --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) --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
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>250 then 250 else a.length end as varchar)+')'
when b.name in('tynyint','int','bigint','tinyint') then 'text('+cast(case when a.length>250 then 250 else a.length end as varchar)+')'
when b.name in('smalldatetime','datetime') then 'text('+cast(case when a.length>250 then 250 else a.length end as varchar)+')'
when b.name in('money','smallmoney') then 'text('+cast(case when a.length>250 then 250 else a.length end as varchar)+')'
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 ['+@fname
+']('+substring(@sql,2,8000)+')'
,@fdlist=substring(@fdlist,2,8000) if @over=1
begin
exec @err=sp_oamethod @obj,'execute',@out out,@sql
if @err<>0 goto lberr
end 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 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
操作系统英文的XP,Sqlser20000 存储过程如下:/*--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 2003.10--*/ /*--调用示例 --导出dBase
p_exporttb @sqlstr='select * from 地区资料',@path='c:',@over=1
--*/
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
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.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+@fname
insert into #tb exec master..xp_fileexist @sql
if 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=0
else
set @over=1 --数据库创建语句
set @sql=@path+@fname
set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="dBASE 5.0;'
+';HDR=NO;DATABASE='+@path+'"' --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) --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
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>250 then 250 else a.length end as varchar)+')'
when b.name in('tynyint','int','bigint','tinyint') then 'text('+cast(case when a.length>250 then 250 else a.length end as varchar)+')'
when b.name in('smalldatetime','datetime') then 'text('+cast(case when a.length>250 then 250 else a.length end as varchar)+')'
when b.name in('money','smallmoney') then 'text('+cast(case when a.length>250 then 250 else a.length end as varchar)+')'
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 ['+@fname
+']('+substring(@sql,2,8000)+')'
,@fdlist=substring(@fdlist,2,8000) if @over=1
begin
exec @err=sp_oamethod @obj,'execute',@out out,@sql
if @err<>0 goto lberr
end 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 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
@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
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.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+@fname
insert into #tb exec master..xp_fileexist @sql
if 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=0
else
set @over=1
--数据库创建语句
set @sql=@path+@fname
set @constr='Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties="dBASE 5.0;'
+';HDR=NO;DATABASE='+@path+'"'
--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)
--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
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>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 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 ['+@fname
+']('+substring(@sql,2,8000)+')'
,@fdlist=substring(@fdlist,2,8000)
if @over=1
begin
exec @err=sp_oamethod @obj,'execute',@out out,@sql
if @err<>0 goto lberr
end
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 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
CREATE proc SQLTODBF
@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=1 --是否覆盖已经存在的文件,如果不覆盖,则直接追加
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=@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+@fname
insert into #tb exec master..xp_fileexist @sql
if 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=0
else
set @over=1 --数据库创建语句
set @sql=@path+@fname
set @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 out
if @err <> 0 goto lberr exec @err=sp_oamethod @obj,'open',null,@constr
if @err <> 0 goto lberr --创建表的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> 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'
when b.name in('bit') then 'bit'
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
select @sql='create table ['+@fname
+']('+substring(@sql,2,8000)+')'
,@fdlist=substring(@fdlist,2,8000) if @over=1
begin
exec @err=sp_oamethod @obj,'execute',@out out,@sql
if @err <> 0 goto lberr
end 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 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
用该存储过程导出DBF表的时候有两个问题存在,请高手帮忙解决下~
感激不尽:
1. when b.name in('smalldatetime','datetime') then 'datetime'
此句表示SQL Server 表中的列如果是smalldatetime或datetime型,DBF文件中的字段建为datetime型.可建出的DBF表中发现,该字段为date型,即日期型,而不是日期时间型,这样丢失了数据的时间部分,请问如何解决? 2. DBF文件如果存在,@over=1也不会覆盖文件,而只是在文件中追加数据. 请各位大虾帮帮忙...小弟先行谢过...