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delphi ÎÊÌâÇóÖú - Delphi / ÍøÂçͨÐÅ/·Ö²¼Ê½¿ª·¢

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 form2 Àï¼ÓÁ˸ö 
uses Unit1;
Ö±½Óµ÷ÓÃ sk1~
ÕâÑù×ÓÓ¦¸ÃûÎÊÌâ°É~
µ¥²½µ÷ÊÔÁËÏÂ~

type
  test_array=array[0..211] of Byte;
var
re:integer;  
message_headpack:array[0..3] of Byte;
  test_byte:array[0..207] of Byte;
  send_pack:test_array;
  psend_pack:^test_array;
~~~~~~~~~~~~~~~~~~~~
ǰ±ßÊÇЩ¸³ÖµÓï¾ä¾Í²»¸´ÖÆÁË
for i:=0 to sizeof(message_headpack)-1 do
  send_pack[i]:=message_headpack[i];
for i:=SizeOf(message_headpack)to SizeOf(send_pack)-1 do
  send_pack[i]:=test_byte[i-sizeof(message_headpack)];
re:=send(sk1,psend_pack^,Length(psend_pack^),0);
//µ¥²½ÔËÐе½ÕâÒ»²½ ¾Í·¢ÏÖÐÅÏ¢°ü·¢³öÈ¥ºó È»ºósocketÒ²×Ô¶¯¹Ø±ÕÁË~sk1ÊÇÌ×½Ó×Ö~ÎÒÔÚunit1Öж¨ÒåµÄ
  if(Re=SOCKET_ERROR)then
  begin
  ShowMessage('·¢ËÍ´íÎó');
  exit;
  end;
 form2.Release;
  close;

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Õâ¸öµ½µ×ÊÇÔõô»ØÊ°¡~
·þÎñÆ÷ÊÇÓÃCдµÄ
ÎÒÔÚunit1 Ï·¢ËÍ ÊDz»»á¶Ï¿ªµÄ~
µ«ÔÚunit2 Ï·¢ËÍ socket¾Í¶Ï¿ªÁË~

¼Ó¸öÊä³ö´íÎóÐÅÏ¢¿´ÏÂ

uses
  Winsock2;

try
  re:=send(sk1,psend_pack^,Length(psend


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var
arr:array ['A'..'Z'] of Char;

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select Äê,ÔÂ,MIN(ÈÕ) as frist,MAX(ÈÕ) AS laset from mt4his.DB GROUP BY Äê,ÔÂ
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