Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

DelphiÖÐʵÏÖÎļþ¿½±´µÄÈýÖÖ·½·¨

DelphiÖÐʵÏÖÎļþ¿½±´µÄÈýÖÖ·½·¨
1£®µ÷ÓÃAPIº¯Êý
procedure CopyFile(fromFileName,ToFileName:string);
var
f1,f2:file;
Begin
AssignFile(f1,fromFileName); file://Ö¸¶¨Ô´ÎļþÃû
AssignFile(f2,ToFileName); file://Ö¸¶¨Ä¿±êÎļþÃû
Reset(f1);
Try
Rewrite(f2);
Try
If Lzcopy(TfileRec(f1).handle,TfileRec(f2).Handle)<0
Then
Raise EinoutError.creat('Îļþ¸´ÖÆ´íÎó')
Finally
CloseFile(f2); file://¹Ø±Õ f2
End;
Finally
Until length(sLine)<=0;
End;
End;
2.ÎļþÁ÷
procedure copyfile;
var f1,f2: tfilestream ;
begin
f1:=Tfilestream.Create(sourcefilename,fmopenread);
try
f2:=Tfilestream.Create(targetfilename,fmopenwrite or fmcreate);
try
f2.Copyfrom(f1,f1.size);
finally
f2.Free;
end;
finally
f1.Free;
end;
end;
3£®ÀûÓÃÄÚ´æ¿é¶ÁдbufferʵÏÖ
Procudure FileCopy(const fromfile,Tofile:string);
Var
F1,F2:file;
NumRead,Numwritten:word;
Buf:array [1..2048] of char;
Begin
AssignFile(F1,fromfile);
Reset(F1,1);
AssignFile(F2,Tofile);
Rewrite(F2,1);
Repeat
BlockRead(F1,buf,sizeof(buf),NumRead);
BlockWrite(F2,buf,Numread,NumWritten);
Until (NumRead=0) or (NumWritten<>NumRead);
CloseFile(F1);
CloseFile(F2);
End;


Ïà¹ØÎĵµ£º

DelphiµÄSocket±à³ÌÒª·Ö¼¸²½£¿

DelphiµÄSocket±à³ÌÒª·Ö¼¸²½£¿
2008-12-20 02:03:24
¡¡±êÇ©£ºDelphi Socket ±à³Ì¡¡¡¡¡¡[ÍÆË͵½¼¼ÊõȦ]
ClientSocket ºÍServerSocket
¼¸¸öÖØÒªµÄÊôÐÔ:   
1.clientºÍserver¶¼ÓÐportÊôÐÔ£¬ÐèÒªÒ»Ö²ÅÄÜ»¥ÏàͨÐÅ   
2.clientÓÐAddressÊôÐÔ,ʹÓÃʱÌîд¶Ô·½(server)µÄIPµØÖ·  & ......

ÔÚDelphiºÍVCÖд´½¨ºÍµ÷Óö¯Ì¬Á´½Ó¿â

´ó¼ÒÔÚÈí¼þ¿ª·¢Ê±¾­³£»áÓöµ½ÕâÑùµÄÇé¿ö£¬ÔÚ²»Í¬µÄ¿ª·¢»·¾³ÖÐΪʵÏÖһЩ¹¦ÄÜÏàͬµÄ¹ý³Ì£¬ÓÉÓÚ¿ª·¢ËùʹÓõÄÉè¼ÆÓïÑÔ²»Í¬£¬Òò¶ø²»µÃ²»±àдÐí¶àÀàËÆµÄ´úÂ룬ÉõÖÁÓÐʱҪÔÚͬһ¸ö¿ª·¢»·¾³²»Í¬ÏîÄ¿ÖÐÖØÐ´´úÂ룬Õâ¾ÍÔì³ÉÁ˺ܴóµÄ×ÊÔ´ÀË·Ñ¡£¶¯Ì¬Á´½Ó¿âÄܽϺõĽâ¾öÕâ¸öÎÊÌâ£¬ÖØ¸´ÀûÓôúÂ뽫´ó´óÌá¸ßÁË¿ª·¢Ð§ÂÊ¡£Ò»°ã£¬Óû§ÔÚÓ¦ÓóÌÐò ......

delphi±à³ÌÀïµÄbool¸úbooleanÀàÐÍÓÐÊ²Ã´Çø±ð

boolÊÇLongBoolÀàÐÍ¡£
DelphiÖж¨ÒåÁËËÄÖÖ²¼¶ûÀàÐÍ£ºBoolean£¬ByteBool£¬WordBoolºÍLongBool¡£ºóÃæÈýÖÖ²¼¶ûÀàÐÍÊÇΪÁËÓëÆäËûÓïÑÔ¼æÈݶøÒýÈëµÄ£¬Ò»°ãÇé¿öϽ¨ÒéʹÓÃBooleanÀàÐÍ¡£
ÕâËÄÖÖÀàÐ͵IJ¼¶ûÖµÕ¼ÓÃÄÚ´æµÄÊýÁ¿ÈçÏ£º
Boolean 1 Byte
ByteBool 1 Byte
WordBool 2 Bytes£¨1 Word£©
LongBool 4 Bytes£¨2 Words£©
¶Ô ......

DELPHIÓû§µÇ¼·½°¸

3.2  Óû§µÇ¼·½°¸
ÔÚ½øÈëÒ»¸öϵͳʱ£¬±ØÐëÏÈÔڵǼ´°ÌåÖÐÊäÈëÕýÈ·µÄÓû§ÃûºÍÃÜÂë²ÅÄܽøÈë¡£ÕâÑù¿ÉÒÔÈ·±£ÏµÍ³µÄ°²È«ÐԺͱ£ÃÜÐÔ£¬µÇ¼´°ÌåµÄÖÆ×÷°´ÕÕϵͳµÄ´óС¼°Óô¦£¬¿ÉÒÔ·ÖΪ²»Í¬µÄµÇ¼´°ÌåÑùʽ£¬ÔÚϵͳµÚÒ»´ÎµÇ¼ǰ£¬Ê×ÏÈÒª¶Ô²Ù×÷Ô±ÐÅÏ¢½øÐÐÏàÓ¦µÄÉèÖᣱ¾½Ú½«¶ÔµÇ¼´°Ìå¼°²Ù×÷Ô±¹ÜÀí´°ÌåµÄÖÆ×÷¹ý³Ì½øÐÐÏêϸµÄ˵Ã÷ ......

delphiÖÐmoveº¯ÊýµÄÓ÷¨

ÎÒÃÇÄÜ¿´µ½ÒÔÏ´úÂë
var pSource,pDest:PChar;
     len: integer;
.......................//һЩ´úÂë
Move(pSource,pDest,len); //´íÎó
Move(pSource^,pDest^,len); //ÕýÈ·
¿´ÆðÀ´È·ÊµºÃÏñÊÇ´«Öµ£¬¶ø²»ÊÇ´«µØÖ·£¬µ«ÊǸ÷λ±ðÍüÁË£¬Õâ²»ÊÇC£¬C++£¬¶øÊÇDelphi
Object Pascal,ËùÒÔ£¬¾ø²»ÄÜ´Óº¯Êýµ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ