delphiÊéд¸ñÔò? - Delphi / ·Ç¼¼ÊõÇø
ÔÚÍøÉÏ¿´µ½ºÜ¶àÈËд³ÌÐò´úÂë,дµÄ´úÂëÿһÐж¼ÊÇҪô¾Í¿ÕÒ»¸ö¿Õ¸ñ,Ҫô¾Í¿ÕºÃ¼¸¸ö,Õâ¸öÓй涨Âð?Ôõô¿´?
ÒÔÏÂÊÇÎÒÔÚÍøÉÏÕÒµÄÒ»¶Î³ÌÐò´úÂë
===============================================================================
procedure CHOBSB(A:MATRX2; N:integer; D:array of real;var B:array of real);
var
I,J:integer; SUM:real;
begin
For I:=1 To N do
begin
Sum:=B[I];
For J:=1 To I - 1 do
Sum:=Sum - A[I, J] * B[J];
B[I]:=Sum;
end;
For I:=N DownTo 1 do
begin
If D[I] = 0 Then
begin
ShowMessage('Singular Matrix');
Exit;
end
Else
Sum:=B[I] / D[I];
For J:=I + 1 To N do
Sum:=Sum - A[J, I] * B[J];
B[I]:=Sum;
end;
end;
Ϊʲô²»ÄÜд³ÉÕâÑù?
===============================================================================
procedure CHOBSB(A:MATRX2; N:integer; D:array of real;var B:array of real);
var
I,J:integer; SUM:real;
begin
For I:=1 To N do
begin
Sum:=B[I];
For J:=1 To I - 1 do
Sum:=Sum - A[I, J] * B[J];
B[I]:=Sum;
end;
For I:=N DownTo 1 do
begin
If D[I] = 0 Then
begin
Ïà¹ØÎÊ´ð£º
Àý×Ó³ÌÐò¼û¸½¼þ£¬ÓÃDelphi 7½øÐбàÒë
ÎÊÌâ´úÂëΪ
Delphi(Pascal) code:
if Node.ChildNodes <> nil then
begin
for i := 0 to Node.ChildNodes.Count - 1 do
begin
cNode := N ......
ÎÊÌâÊÇÕâÑù×ÓµÄ
ÎÒÔÚform1Öж¨ÒåÁËÒ»¸ösk1:tsocket
È»ºóÔÚform2ÖÐ
ÓÃsk1 ·¢ËͶ«Î÷ ·¢Íêºó socket ×Ô¶¯¹Ø±ÕÁË~
µ«ÊÇÔÚform1Öз¢¶«Î÷ Èç¹ûÎÒ²»ÔËÐÐ closesocket µÄ»° ÊDz»»á¶ÏµôµÄ
ÎÊÏ ÕâÊÇÔõô»ØÊÂ
ÁíÎÒÔÚ for ......
ÄãÃÇÓöµ½Õâ¸öÎÊÌâÂð£¿Ê¹ÓÃdelphi µÄʱºò£¬À´ÁËÒ»·âÐÅ¡£ËµÒªÎҽ̰æÈ¨·Ñ¡£Îһ赹¡£Ôõô°ì£¿
²»ÄÜÔõô°ì,Ò»ÊÇÀíËûÃÇ 2ÊDz»ÀíËûÃÇ
Äã·Å»°½ÐËûÃÇÀ´¹«Ë¾²é¡£¡£¡£¿´ËûÃÇÓе¨Ã»£¿
²»ÀíËûÃǾÍÊÇ£¬µ±Ê±Ò²ÎÊÎÒÃǹ«Ë¾ÒªµÄ ......
ÒÔǰÖмäÕ¾ÊǵçÄÔͨ¹ý´®¿Ú¿ØÖƵģ¬ÏÖÔڸijÉÁËUSB½Ó¿Ú£¬ÇëÎÊÒªÔõô×ö°¡£¿Çó¸ßÊÖÖ¸µãÒ»ÏÂ
ÊÇusbת´®¿ÚÂð£¿ÄÇÓ¦¸Ã»¹ÊÇ¿ÉÒÔ°´´®¿Ú²Ù×÷µÄ£¬Ö»ÊÇËٶȲ»ÄÜÌ«¸ß
Èç¹û²»ÊÇusbת´®¿Ú£¬Çë²éÔÄusbÇý¶¯µÄsdk˵Ã÷¡£
Õâ¸öÊDz ......
´óÏÀÃǰïæ¿´Ò»Ï£¬ÓÃspcomm¿Ø¼þ½øÐд®¿ÚͨÐÅ¡£
·¢ËÍÊý¾Ý£º
procedure TForm1.Button2Click(Sender: TObject);
var
strPressure:string;
begin
strPressure:='SEND'+#13;
comm ......