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00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74
ÏÖÔÚËæ±ã¸ü¸Ä¼¸¸ö£¬ÔÙÓÃACCESS´ò¿ª£¬·¢ÏÖ³öÏÖ²»Í¬Ê¶±ðµÄÎļþ¸ñʽ´íÎó£¬ÒòΪACCESSÇ°Ãæ±£´æµÄÐÅÏ¢¶¼ÊÇһЩMDBÎļþµÄ¶¨ÒåºÍ¿ÚÁÈç¹û¸ü¸ÄÕâЩÄÚÈÝ£¬±ðÈ˾ͺÜÄÑ¿´³öÕâ¸öÊý¾Ý¿âµÄ¸ñʽ£¬ÎÞ·¨´ò¿ªËüÁË£¬¶øÇÒÕâÑù²»»á¶ÔÊý¾Ý¿âµÄÄÚÈÝ×÷¸ü¸Ä£¬²»»áÆÆ»µÔÓеÄÊý¾Ý¡£
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const
titlestr:array[0..15] of byte=
($00,$01,$00,$00,$53,$74,$61,$6E,$64,$61,$72,$64,$20,$4A,$65,$74) ;//¶ÔÓ¦MDBÎļþµÄǰ16¸ö×Ö½Ú
titlestr2:array[0..15] of byte=
($48,$4A,$00,$58,$55,$43,$48,$41,$4E,$47,$59,$4F,$55,$00,$20,$20) ;//¸ü¸ÄºóµÄMDBÎļþµÄǰ16¸ö×Ö½Ú£¬×Ô¼ºËæ±ãд°É£¬±ÈÈçдÉÏ×Ô¼º¹«Ë¾µÄ¼ò³Æ»ò×ÔÒѵÄÃû
produce EncrypMDB(filename:string); //ÓÃtitlestr2ÄÚÈÝÌæ»»MDBǰ16¸ö×Ö½Ú£¬ÒÔ±ãʵÏÖ¼ÓÃܵÄ×÷ÓÃ
var F:TFileStream;
begin
if not fileExists(filename) then exit;
F:=TFileStream.create(filename,fmopenwrite);
try
F.seek($00,sofromBeginning);
F.Write(titlestr2,16);
finally
F.free;
end;
end;
produce uncrypMDB(filename:string); //»¹ÔMDBǰ16¸ö×Ö½Ú
var F:TFileStream;
begin
if not fileExists(filename) then exit;
F:=TFileStream.create(filename,fmopenwrite);
try
F.seek($00,sofromBeginning);
 
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insert into cmd (classID,cmdType,cmd) values('temp','temp','temp')
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set conn=server.CreateObject("adodb.connection")
set rs=server.CreateObject("adodb.recordset")
connstr="provider=microsoft.jet.oledb.4.0;data source="&server.mappath("db/db.mdb")
conn.open connstr
sql="select * fr ......
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<connectionStrings>
<add name="ydycon" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=|DataDirectory|ydy.mdb" providerName="System.Data.OleDb"/>
</connectionStrings>
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