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delphiʵÏÖµ÷ÓÃdllÖеĴ°Ìå ´úÂë

н¨Ò»¸ödLL¹¤³Ì,н¨Ò»¸ö´°Ìå Fr_bb80 ,ÎÒÃÇÏÈÔÚËüµÄµ¥ÔªÀï¼ÓÈëÏÂÃæÒ»¸öº¯Êý:
function Report(Title:Pchar):Boolean  ;stdcall;
begin
   if Fr_bb80=nil then
   begin
         Fr_bb80:=TFr_bb80.Create(application);
         Fr_bb80.Caption:= Title;
     try
      Fr_bb80.ShowModal;
       Result:=true;
     finally
     Fr_bb80.Free;
     end;
   end;
    Result:=false;
end;
ÔÙÔÚ´Ëdll¹¤³ÌÎļþ(*dpr)ÎļþÖмÓÈë
 exports  Report;   //¼ÓÈëÕâ¸öÖ®ºó,ÍâÃæ¾Í¿ÉÒÔµ÷ÓÃÕâ¸öº¯ÊýÁË.
н¨Ò»¸ö¹¤³Ì,ÔÚд°ÌåÖмÓÒ»¸ö°´Å¥,ÏÂÃæ¾ÍÊÇÕâ¸ö°´Å¥µÄÍêÈ«´úÂë:
type
    TLoadDLL2 = function(Title:Pchar):Boolean; stdcall;  //Õâ¸öÊDZØÐëµÄ,ºÃÏñ½Ð»Øµ÷º¯Êý??,ËüµÄ¶¨ÒåÓëdllÖй«¿ªµÄº¯ÊýÒªÍêȫһÖÂ
var
    FLoad: TLoadDLL2;   //½«TLoadDLL2 ÊµÀý»¯
    l:THandle;         
begin
      l:=LoadLibrary('CW.dll');   //¶¯Ì¬µ÷ÓøղÅÄǸödllÎļþ
// ¸øFLoadº¯Êý¸³Öµ,½«Ö¸ÕëÖ¸Ïò  GetProcAddress(l,  'Report') ;"Report" ÊÇÕâ¸ödll¹«¿ªµÄº¯ÊýÃû   
      FLoad := TLoadDLL2(GetProcAddress(l, 'Report')); 
   
    if Assigned(FLoad) then   //ÅжÏÊÇ·ñÕÒµ½Õâ¸ö¹«¿ªµÄº¯Êý
            FLoad('×Ô¶¨Òå´°¿ÚµÄ±êÌâ');  //Ö´Ðк¯Êý,×¢Ò⺯ÊýµÄ²ÎÊýµ½Õâʱºò²Å¿ªÊ¼¸³Öµ
   
   FreeLibrary(l); //ÊÍ·Å×ÊÔ´
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ÔÚDelphiµ¼ÈëWSDLºóÉú³ÉµÄµ¥ÔªµÄ×îºóÒ»ÐУ¬¼´initializationÀïµÄ³õʼ»¯¶Ë¿ÚµÄ´úÂëÖмÓÈë´úÂë
InvRegistry.RegisterInvokeOptions(TypeInfo(½Ó¿ÚÃû), ioDocument);
¼´¿É
 
 
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DELPHI ²éÕÒ£¬Ôö¼Ó£¬Ð޸ģ¬É¾³ý

unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids, DB, ADODB, StdCtrls;
type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    Button ......

Delphi µÄ Dll º¯ÊýµÄ µ÷ÓÃ


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library mydll;
 
uses
base in 'base.pas';
 
exports
Triple name 'Tr';
 
{$R *.res}
 
begin
end.
 
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unit base;
 
interface
 
uses windows;
 
function Triple(N:integer):integer;stdcall;
  ......

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