我写了一个dll
library dllTest;
uses
SysUtils,
Classes;{$R *.res}function Max(x,y,z:integer):integer; export;
begin
result:=x;
if x>y then result:=x;
if Result<Z then result:=Z;
end;exports Max;begin
end.
又写了一个用dll的程序
unit usingDll;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm3 = class(TForm)
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form3: TForm3;
function max(x,y,z:integer):integer; external 'DllTest.dll' ;implementation{$R *.dfm}procedure TForm3.Button1Click(Sender: TObject);
var n1,n2,n3:integer;
begin
n1:=strtoint(edit1.Text);
n2:=Strtoint(edit2.Text);
n3:=strtoint(edit3.Text);
showmessage(inttostr(Max(n1,n2,n3)));
end;end.
但是运行的时候出错误了 Entry point not found
can't locate max in dynamic library dlltest.dll
请问高手我哪里错了呢
library dllTest;
uses
SysUtils,
Classes;{$R *.res}function Max(x,y,z:integer):integer; export;
begin
result:=x;
if x>y then result:=x;
if Result<Z then result:=Z;
end;exports Max;begin
end.
又写了一个用dll的程序
unit usingDll;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm3 = class(TForm)
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form3: TForm3;
function max(x,y,z:integer):integer; external 'DllTest.dll' ;implementation{$R *.dfm}procedure TForm3.Button1Click(Sender: TObject);
var n1,n2,n3:integer;
begin
n1:=strtoint(edit1.Text);
n2:=Strtoint(edit2.Text);
n3:=strtoint(edit3.Text);
showmessage(inttostr(Max(n1,n2,n3)));
end;end.
但是运行的时候出错误了 Entry point not found
can't locate max in dynamic library dlltest.dll
请问高手我哪里错了呢
function Max(x,y,z:integer):integer; export;
调用时是:
function max(x,y,z:integer):integer; external 'DllTest.dll' ;
自然就找不到入口点了,调用时改为:
......
function Max(x,y,z:integer):integer; external 'DllTest.dll' ;//大小写一致
......