CREATE proc exportToDBF@tbname sysname,          --要导出的表名@path nvarchar(1000),     --文件存放目录@fname nvarchar(250)='',  --导出的文件名,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)declare @lastsql varchar(255) --参数检测if isnull(@fname,'')='' set @fname=@tbname+'.dbf' --文件路径和文件名if right(@path,1)<>'\' set @path=@path+'\'create table #tb(a bit,b bit,c bit)set @sql=@path+@fname --判断dbf文件是否存在，如果存在返回结果a=1,b=0,c=1insert 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=yes;DATABASE='+@path+'"' --连接数据库exec @err=sp_oacreate 'adodb.connection',@obj outif @err<>0 goto lberr --打开数据库exec @err=sp_oamethod @obj,'open',null,@constrif @err<>0 goto lberr 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 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)=id --建一个dbf表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 endexec @err=sp_oadestroy @obj --导出数据到表中set @sql="openrowset('MICROSOFT.JET.OLEDB.4.0','dBase 5.0;DATABASE="        + @path+"','select * from ["+ @fname+"]')" set @lastsql='insert into '+@sql+' select * from '+@tbnameexec(@lastsql) --删除临时表drop table #tb return --select * from heat lberr:exec sp_oageterrorinfo 0,@src out,@desc out     -- raiserror ('asdfasdf',16,1)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

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