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涓銆佸湪搴旂敤紼嬪簭鑷畾涔夋秷鎭柟娉曪細
涓鑸嚜瀹氫箟娑堟伅鏈変竴瀹氱殑鑼冨洿錛岃櫧鐒惰鑷畾涔夋秷鎭粠WM_USER寮濮嬶紝浣嗘槸鐢變簬鎴戜滑鐨勫伐紼嬮噷闈竴鑸繕鏈夊緢澶氬叾浠栫殑鎺т歡錛屼粬浠篃瑕佸崰鐢ㄤ竴閮ㄥ垎WM_USER娑堟伅鑼冨洿錛屾墍浠ユ垜浠繀欏諱負浠栦滑鐣欏嚭涓閮ㄥ垎鑼冨洿錛岃繖閲岋紝鎴戜滑淇濈暀100涓秷鎭紝涓鑸儏鍐典笅錛岃繖鍙互婊¤凍鎴戜滑鐨勮姹傘?/p>
(1) 瀹氫箟娑堟伅鐨勫箋傚湪鎴戜滑瑕佸彂鐢熸秷鎭殑鍦版柟(渚嬪CMyView.cpp鐨勫紑濮嬮儴鍒?鎴栬卻tdafx..h鏂囦歡錛岃繘琛屽涓嬪畾涔夛細
#define WM_MSG (WM_USER+101) |
鎺ヤ笅鏉ョ殑宸ヤ綔鍏跺疄寰堢畝鍗曪紝鎴戜滑鍦ㄥ墠闈㈣浜嗭紝娑堟伅姝e父宸ヤ綔鏈?涓儴鍒嗗繀欏誨崗璋冿細娑堟伅澹版槑銆佹秷鎭槧灝勩佹秷鎭綋銆傛垜浠氨涓嬈¤繘琛屾墜宸ュ姞鍏ャ?/p>
(2)棣栧厛鍦ˋFX_MSG鍧椾腑鍔犲叆娑堟伅澹版槑錛氬湪CMyView.h涓紝鎵懼埌濡備笅閮ㄥ垎錛屽茍鍔犲叆娑堟伅澹版槑錛?/p>
protected: // {{AFX_MSG錛圕MyView) ...... afx_msg LRESULT OnMyMsg(WPARAM wParam,LPARAM lParam); |
(3)鍦∕ESSAGE_MAP鍧椾腑娣誨姞ON_MESSAGE瀹忔寚浠わ細
BEGIN_MESSAGE_MAP(CMyView, CView) ..... ON_MESSAGE(WM_MSG, OnMyMsg) END_MESSAGE_MAP() |
(4)娣誨姞娑堟伅鍑芥暟浣擄細
LPESULT CMyView::OnMyMsg(WPARAM wParam, LPARAM lParam)
{ |
AfxMessageBox("娑堟伅宸茬粡鏀跺埌錛?); return 0; } |
娑堟伅鑷蟲灝卞凡緇忓畾涔夊畬姣曪紝鎺ヤ笅鏉ユ垜浠氨鍙互嬋媧繪秷鎭簡錛屽氨鍙互鐢ㄦ垜浠墠闈㈡墍璇寸殑PostMessage/SendMessage鏉ュ彂閫佹秷鎭簡銆?/p>
銆銆銆銆濡傦細::PostMessage(hwnd,WM_MSG,0,1);
PostMessage:涓嶇敤絳夋秷鎭繑鍥炪?/p>
銆銆銆 SendMessage:闇瑕佺瓑娑堟伅榪斿洖銆?/p>
浜屻佷粠DLL涓紶閫掓秷鎭埌EXE
銆銆銆鍦―LL涓畾涔夋秷鎭拰涓婇潰鐨勬柟娉曞緢鐩鎬技錛屾湁涓ょ偣涓嶅悓鐨勫湴鏂癸細
1銆?nbsp; 鍦―LL鍜屽簲鐢ㄧ▼搴忎腑涓や釜鍦版柟瀹氫箟鐩稿悓鐨勬秷鎭?/p>
2銆?nbsp; 搴旂敤紼嬪簭璋冪敤DLL紼嬪簭涔嬪悗錛岄渶瑕佸皢搴旂敤紼嬪簭鐨勭獥鍙e彞鏌勪紶閫掔粰DLL錛屼互渚緿LL涓殑娑堟伅榪斿洖銆?/p>
鍦―LL宸ョ▼涓細
錛?錛?nbsp; 鍦╯tdafx.h澶存枃浠朵腑娣誨姞娑堟伅瀹氫箟錛?/p>
#define WM_MSG WM_USER + 102 |
銆銆銆銆銆銆銆
錛?錛?nbsp; 娣誨姞鍚姩娑堟伅鐨勮緭鍑哄嚱鏁幫細
銆銆銆銆銆銆銆CMessageDLLApp theApp; //鍙戦佹秷鎭?/p> extern "C" _declspec(dllexport) void StartSendMessage(HWND hwnd) { theApp.SendMessage(hwnd); }銆銆銆銆銆 |
銆銆 鍏朵腑hwnd鏄帴鏀舵秷鎭殑紿楀彛鍙ユ焺銆?/p>
錛?錛?nbsp; 娣誨姞鍚姩娑堟伅鐨勫疄鐜板嚱鏁幫細
鍦ㄥご鏂囦歡涓坊鍔犲嚱鏁板0鏄庯細
void SendMessage(HWND hwnd); |
鍦–PP鏂囦歡涓坊鍔犲嚱鏁板疄鐜?/p>
//鍚姩鍙戦佹秷鎭?/p>
void CMessageDLLApp::SendMessage(HWND hwnd) { ::PostMessage(hwnd,WM_MSG,0,1); } 鍦ㄥ簲 |
鐢ㄧ▼搴忎腑錛?/p>
錛?錛?nbsp; 鍦╯tdafx.h澶存枃浠朵腑娣誨姞娑堟伅瀹氫箟錛?/p>
#define WM_MSG WM_USER + 102 |
銆銆銆銆銆銆銆
錛?錛?nbsp; 棣栧厛鍦ˋFX_MSG鍧椾腑鍔犲叆娑堟伅澹版槑錛氬湪CTestMessageDLLDlg.h涓紝鎵懼埌濡備笅閮ㄥ垎錛屽茍鍔犲叆娑堟伅澹版槑錛?/p>
銆傘傘傘傘傘?/p>
銆銆銆銆銆銆銆 afx_msg LRESULT OnMyMsg(WPARAM wParam,LPARAM lParam); DECLARE_MESSAGE_MAP() |
錛?錛?nbsp; 鍦∕ESSAGE_MAP鍧椾腑娣誨姞ON_MESSAGE瀹忔寚浠わ細
銆銆銆銆銆銆銆 BEGIN_MESSAGE_MAP(CTestMessageDLLDlg, CDialog) 銆銆銆銆銆銆銆傘傘傘傘傘?/p> 銆銆銆銆銆銆ON_MESSAGE(WM_MSG, OnMyMsg) 銆銆銆銆銆銆//}}AFX_MSG_MAP 銆銆銆銆銆銆END_MESSAGE_MAP() |
錛?錛?nbsp; 娣誨姞娑堟伅鍑芥暟浣擄細
銆銆銆銆銆銆 LRESULT CTestMessageDLLDlg::OnMyMsg(WPARAM wParam, LPARAM lParam)
{ 銆銆銆銆 AfxMessageBox("娑堟伅宸茬粡鏀跺埌錛?); 銆銆銆銆 return 0; 銆銆銆銆} |
銆錛?錛?nbsp; 鍦ㄥ璇濇涓婃坊鍔犱竴涓寜閽紝鍦ㄦ寜閽簨浠朵腑錛屽厛璋冪敤DLL鏂囦歡錛岀劧鍚庡彂閫佷竴涓祴璇曟秷鎭搷搴旂殑鍛戒護錛?/p>
void CTestMessageDLLDlg::OnBnClickedButton1() { // TODO: 鍦ㄦ娣誨姞鎺т歡閫氱煡澶勭悊紼嬪簭浠g爜 //瀹氫箟鍑芥暟 typedef void (_cdecl*STARTSENDMESSAGE)(HWND hwnd); HMODULE hmessage = NULL; STARTSENDMESSAGE StartSendMessage = NULL; 銆銆//瀵煎叆DLL搴撴枃浠?/p> hmessage = LoadLibrary("MessageDLL.dll"); if(hmessage==NULL) { FreeLibrary(hmessage); exit(0); } 銆銆//瀵煎叆DLL涓祴璇曟秷鎭嚱鏁?/p> StartSendMessage = (STARTSENDMESSAGE)GetProcAddress(hmessage,"StartSendMessage"); if(StartSendMessage==NULL) { FreeLibrary(hmessage); exit(1); } //鑾峰彇瀵硅瘽妗嗙殑紿楀彛鍙ユ焺 HWND hwnd = this-錛濭etSafeHwnd(); //鍙戦佹祴璇曟秷鎭嚱鏁?/p> (*StartSendMessage)(hwnd); } |
榪愯搴旂敤紼嬪簭錛屽氨鍙互鐪嬪埌嫻嬭瘯緇撴灉浜嗐?br>
鍥?2 MFC瑙勫垯DLL鐨勮皟鐢ㄤ緥瀛?/P>
銆銆涓嬮潰鏄滆皟鐢―LL鈥濇寜閽崟鍑諱簨浠剁殑娑堟伅澶勭悊鍑芥暟錛?BR>
void CRegularDllCallDlg::OnCalldllButton()
{
typedef void (*lpFun)(void);
HINSTANCE hDll; //DLL鍙ユ焺
hDll = LoadLibrary("RegularDll.dll");
if (NULL==hDll)
{
MessageBox("DLL鍔犺澆澶辮觸");
}
lpFun addFun; //鍑芥暟鎸囬拡
lpFun pShowDlg = (lpFun)GetProcAddress(hDll,"ShowDlg");
if (NULL==pShowDlg)
{
MessageBox("DLL涓嚱鏁板鎵懼け璐?);
}
pShowDlg();
}
#pragma comment(lib,"RegularDll.lib")
void ShowDlg(void);
void CRegularDllCallDlg::OnCalldllButton()
{
ShowDlg();
}
鍥?1 MFC瑙勫垯DLL渚嬪瓙
銆銆鍦―LL涓坊鍔犲璇濇鐨勬柟寮忎笌鍦∕FC搴旂敤紼嬪簭涓槸涓鏍風殑銆?BR>
銆銆鍦ㄥ浘11鎵紺篋LL涓殑瀵硅瘽妗嗙殑Hello鎸夐挳涓婄偣鍑繪椂灝哅essageBox涓涓淗ello,pconline鐨勭綉鍙嬧濆璇濇錛屼笅闈㈡槸鐩稿叧鐨勬枃浠跺強婧愪唬鐮侊紝鍏朵腑鍒犻櫎浜哅FC鍚戝鑷姩鐢熸垚鐨勭粷澶у鏁版敞閲娿?BR>絎竴緇勬枃浠訛細CWinApp緇ф壙綾葷殑澹版槑涓庡疄鐜?BR>
// RegularDll.h : main header file for the REGULARDLL DLL
#if !defined(AFX_REGULARDLL_H__3E9CB22B_588B_4388_B778_B3416ADB79B3__INCLUDED_)
#define AFX_REGULARDLL_H__3E9CB22B_588B_4388_B778_B3416ADB79B3__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#ifndef __AFXWIN_H__
#error include 'stdafx.h' before including this file for PCH
#endif
#include "resource.h" // main symbols
class CRegularDllApp : public CWinApp
{
public:
CRegularDllApp();
DECLARE_MESSAGE_MAP()
};
#endif
// RegularDll.cpp : Defines the initialization routines for the DLL.
#include "stdafx.h"
#include "RegularDll.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
BEGIN_MESSAGE_MAP(CRegularDllApp, CWinApp)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CRegularDllApp construction
CRegularDllApp::CRegularDllApp()
{
}
/////////////////////////////////////////////////////////////////////////////
// The one and only CRegularDllApp object
CRegularDllApp theApp;
銆銆鍒嗘瀽錛?BR>
銆銆鍦ㄨ繖涓緇勬枃浠朵腑瀹氫箟浜嗕竴涓戶鎵胯嚜CWinApp鐨勭被CRegularDllApp錛屽茍鍚屾椂瀹氫箟浜嗗叾鐨勪竴涓疄渚媡heApp銆備箥涓鐪嬶紝鎮ㄤ細浠ヤ負瀹冩槸涓涓狹FC搴旂敤紼嬪簭錛屽洜涓篗FC搴旂敤紼嬪簭涔熷寘鍚繖鏍風殑鍦ㄥ伐紼嬪悕鍚庢坊鍔犫淎pp鈥濈粍鎴愮被鍚嶇殑綾伙紙騫剁戶鎵胯嚜CWinApp綾伙級錛屼篃瀹氫箟浜嗚繖涓被鐨勪竴涓叏灞瀹炰緥theApp銆?BR>鎴戜滑鐭ラ亾錛屽湪MFC搴旂敤紼嬪簭涓瑿WinApp鍙栦唬浜哠DK紼嬪簭涓璚inMain鐨勫湴浣嶏紝SDK紼嬪簭WinMain鎵瀹屾垚鐨勫伐浣滅敱CWinApp鐨勪笁涓嚱鏁板畬鎴愶細
virtual BOOL InitApplication( );
virtual BOOL InitInstance( );
virtual BOOL Run( ); //浼犺涓璏FC紼嬪簭鐨勨滄椿姘存簮澶粹?/P>
銆銆浣嗘槸MFC瑙勫垯DLL騫朵笉鏄疢FC搴旂敤紼嬪簭錛屽畠鎵緇ф壙鑷狢WinApp鐨勭被涓嶅寘鍚秷鎭驚鐜傝繖鏄洜涓猴紝MFC瑙勫垯DLL涓嶅寘鍚獵WinApp::Run鏈哄埗錛屼富娑堟伅娉典粛鐒剁敱搴旂敤紼嬪簭鎷ユ湁銆傚鏋淒LL 鐢熸垚鏃犳ā寮忓璇濇鎴栨湁鑷繁鐨勪富妗嗘灦紿楀彛錛屽垯搴旂敤紼嬪簭鐨勪富娑堟伅娉靛繀欏昏皟鐢ㄤ粠DLL 瀵煎嚭鐨勫嚱鏁版潵璋冪敤PreTranslateMessage鎴愬憳鍑芥暟銆?BR>
銆銆鍙﹀錛孧FC瑙勫垯DLL涓嶮FC 搴旂敤紼嬪簭涓竴鏍鳳紝闇瑕佸皢鎵鏈?DLL涓厓绱犵殑鍒濆鍖栨斁鍒癐nitInstance 鎴愬憳鍑芥暟涓?BR>
銆銆絎簩緇勬枃浠?鑷畾涔夊璇濇綾誨0鏄庡強瀹炵幇(鐐瑰嚮鏌ョ湅闄勪歡)
銆銆鍒嗘瀽錛?BR>
銆銆榪欎竴閮ㄥ垎鐨勭紪紼嬩笌涓鑸殑搴旂敤紼嬪簭鏍規湰娌℃湁浠涔堜笉鍚岋紝鎴戜滑鐓ф牱鍙互鍒╃敤MFC綾誨悜瀵兼潵鑷姩涓哄璇濇涓婄殑鎺т歡娣誨姞浜嬩歡銆侻FC綾誨悜瀵肩収鏍蜂細鐢熸垚綾諱技ON_BN_CLICKED(IDC_HELLO_BUTTON, OnHelloButton)鐨勬秷鎭槧灝勫畯銆?BR>
銆銆絎笁緇勬枃浠?DLL涓殑璧勬簮鏂囦歡
//{{NO_DEPENDENCIES}}
// Microsoft Developer Studio generated include file.
// Used by RegularDll.rc
//
#define IDD_DLL_DIALOG 1000
#define IDC_HELLO_BUTTON 1000
銆銆鍒嗘瀽錛?BR>
銆銆鍦∕FC瑙勫垯DLL涓嬌鐢ㄨ祫婧愪篃涓庡湪MFC搴旂敤紼嬪簭涓嬌鐢ㄨ祫婧愭病鏈変粈涔堜笉鍚岋紝鎴戜滑鐓ф牱鍙互鐢╒isual C++鐨勮祫婧愮紪杈戝伐鍏瘋繘琛岃祫婧愮殑娣誨姞銆佸垹闄ゅ拰灞炴х殑鏇存敼銆?BR>
銆銆絎洓緇勬枃浠?MFC瑙勫垯DLL鎺ュ彛鍑芥暟
#include "StdAfx.h"
#include "DllDialog.h"
extern "C" __declspec(dllexport) void ShowDlg(void)
{
CDllDialog dllDialog;
dllDialog.DoModal();
}
銆銆鍒嗘瀽錛?BR>
銆銆榪欎釜鎺ュ彛騫朵笉浣跨敤MFC錛屼絾鏄湪鍏朵腑鍗村彲浠ヨ皟鐢∕FC鎵╁睍綾籆dllDialog鐨勫嚱鏁幫紝榪欎綋鐜頒簡鈥滆鍒欌濈殑姒傜被銆?BR>
銆銆涓庨潪MFC DLL瀹屽叏鐩稿悓錛屾垜浠彲浠ヤ嬌鐢╛_declspec(dllexport)澹版槑鎴栧湪.def涓紩鍑虹殑鏂瑰紡瀵煎嚭MFC瑙勫垯DLL涓殑鎺ュ彛銆?BR>
鍥? MFC DLL宸ョ▼鐨勫垱寤?/P>
銆銆鍥?0鎵紺哄璇濇涓殑1鍖洪夋嫨MFC DLL鐨勭被鍒?BR>
銆銆2鍖洪夋嫨鏄惁鏀寔automation錛堣嚜鍔ㄥ寲錛夋妧鏈紝 automation 鍏佽鐢ㄦ埛鍦ㄤ竴涓簲鐢ㄧ▼搴忎腑鎿嶇旱鍙﹀涓涓簲鐢ㄧ▼搴忔垨緇勪歡銆備緥濡傦紝鎴戜滑鍙互鍦ㄥ簲鐢ㄧ▼搴忎腑鍒╃敤 Microsoft Word 鎴朚icrosoft Excel鐨勫伐鍏鳳紝鑰岃繖縐嶄嬌鐢ㄥ鐢ㄦ埛鑰岃█鏄忔槑鐨勩傝嚜鍔ㄥ寲鎶鏈彲浠ュぇ澶х畝鍖栧拰鍔犲揩搴旂敤紼嬪簭鐨勫紑鍙戙?BR>
銆銆3鍖洪夋嫨鏄惁鏀寔Windows Sockets錛屽綋閫夋嫨姝ら」鐩椂錛屽簲鐢ㄧ▼搴忚兘鍦?TCP/IP 緗戠粶涓婅繘琛岄氫俊銆?CWinApp媧劇敓綾葷殑InitInstance鎴愬憳鍑芥暟浼氬垵濮嬪寲閫氳绔殑鏀寔錛屽悓鏃跺伐紼嬩腑鐨凷tdAfx.h鏂囦歡浼氳嚜鍔╥nclude <AfxSock.h>澶存枃浠躲?BR>娣誨姞socket閫氳鏀寔鍚庣殑InitInstance鎴愬憳鍑芥暟濡備笅錛?BR>
BOOL CRegularDllSocketApp::InitInstance()
{
if (!AfxSocketInit())
{
AfxMessageBox(IDP_SOCKETS_INIT_FAILED);
return FALSE;
}
return TRUE;
}
銆銆4鍖洪夋嫨鏄惁鐢盡FC鍚戝鑷姩鍦ㄦ簮浠g爜涓坊鍔犳敞閲婏紝涓鑸垜浠夋嫨鈥淵es,please鈥濄?BR>
鍥?0 MFC DLL鐨勫垱寤洪夐」
//鏂囦歡鍚嶏細point.h錛宲oint綾葷殑澹版槑
#ifndef POINT_H
#define POINT_H
#ifdef DLL_FILE
class _declspec(dllexport) point //瀵煎嚭綾籶oint
#else
class _declspec(dllimport) point //瀵煎叆綾籶oint
#endif
{
public:
float y;
float x;
point();
point(float x_coordinate, float y_coordinate);
};
#endif
//鏂囦歡鍚嶏細point.cpp錛宲oint綾葷殑瀹炵幇
#ifndef DLL_FILE
#define DLL_FILE
#endif
#include "point.h"
//綾籶oint鐨勭己鐪佹瀯閫犲嚱鏁?BR>
point::point()
{
x = 0.0;
y = 0.0;
}
//綾籶oint鐨勬瀯閫犲嚱鏁?BR>
point::point(float x_coordinate, float y_coordinate)
{
x = x_coordinate;
y = y_coordinate;
}
//鏂囦歡鍚嶏細circle.h錛宑ircle綾葷殑澹版槑
#ifndef CIRCLE_H
#define CIRCLE_H
#include "point.h"
#ifdef DLL_FILE
class _declspec(dllexport)circle //瀵煎嚭綾籧ircle
#else
class _declspec(dllimport)circle //瀵煎叆綾籧ircle
#endif
{
public:
void SetCentre(const point 壟rePoint);
void SetRadius(float r);
float GetGirth();
float GetArea();
circle();
private:
float radius;
point centre;
};
#endif
//鏂囦歡鍚嶏細circle.cpp錛宑ircle綾葷殑瀹炵幇
#ifndef DLL_FILE
#define DLL_FILE
#endif
#include "circle.h"
#define PI 3.1415926
//circle綾葷殑鏋勯犲嚱鏁?BR>
circle::circle()
{
centre = point(0, 0);
radius = 0;
}
//寰楀埌鍦嗙殑闈㈢Н
float circle::GetArea()
{
return PI *radius * radius;
}
//寰楀埌鍦嗙殑鍛ㄩ暱
float circle::GetGirth()
{
return 2 *PI * radius;
}
//璁劇疆鍦嗗績鍧愭爣
void circle::SetCentre(const point 壟rePoint)
{
centre = centrePoint;
}
//璁劇疆鍦嗙殑鍗婂緞
void circle::SetRadius(float r)
{
radius = r;
}
綾葷殑寮曠敤錛?BR>
#include "..\circle.h"銆銆//鍖呭惈綾誨0鏄庡ご鏂囦歡
#pragma comment(lib,"dllTest.lib");
int main(int argc, char *argv[])
{
circle c;
point p(2.0, 2.0);
c.SetCentre(p);
c.SetRadius(1.0);
printf("area:%f girth:%f", c.GetArea(), c.GetGirth());
return 0;
}
銆銆浠庝笂榪版簮浠g爜鍙互鐪嬪嚭錛岀敱浜庡湪DLL鐨勭被瀹炵幇浠g爜涓畾涔変簡瀹廌LL_FILE錛屾晠鍦―LL鐨勫疄鐜頒腑鎵鍖呭惈鐨勭被澹版槑瀹為檯涓婁負錛?BR>
class _declspec(dllexport) point //瀵煎嚭綾籶oint
{
鈥?BR>
}
銆銆鍜?BR>
class _declspec(dllexport) circle //瀵煎嚭綾籧ircle
{
鈥?BR>
}
銆銆鑰屽湪搴旂敤宸ョ▼涓病鏈夊畾涔塂LL_FILE錛屾晠鍏跺寘鍚玴oint.h鍜宑ircle.h鍚庡紩鍏ョ殑綾誨0鏄庝負錛?BR>
class _declspec(dllimport) point //瀵煎叆綾籶oint
{
鈥?BR>
}
銆銆鍜?BR>
class _declspec(dllimport) circle //瀵煎叆綾籧ircle
{
鈥?BR>
}
/* 鏂囦歡鍚嶏細lib.h銆*/
#ifndef LIB_H
#define LIB_H
extern int dllGlobalVar;
#endif
/* 鏂囦歡鍚嶏細lib.cpp */
#include "lib.h"
#include <windows.h>
int dllGlobalVar;
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
dllGlobalVar = 100; //鍦╠ll琚姞杞芥椂錛岃祴鍏ㄥ眬鍙橀噺涓?00
break;
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
;鏂囦歡鍚嶏細lib.def
;鍦―LL涓鍑哄彉閲?BR>
LIBRARY "dllTest"
EXPORTS
dllGlobalVar CONSTANT
;鎴杁llGlobalVar DATA
GetGlobalVar
鍙橀噺鍚嶃CONSTANT銆銆銆//榪囨椂鐨勬柟娉?/P>
銆銆鎴?BR>
鍙橀噺鍚嶃DATA銆銆銆 銆//VC++鎻愮ず鐨勬柊鏂規硶
鍦ㄤ富鍑芥暟涓紩鐢―LL涓畾涔夌殑鍏ㄥ眬鍙橀噺錛?BR>
#include <stdio.h>
#pragma comment(lib,"dllTest.lib")
extern int dllGlobalVar;
int main(int argc, char *argv[])
{
printf("%d ", *(int*)dllGlobalVar);
*(int*)dllGlobalVar = 1;
printf("%d ", *(int*)dllGlobalVar);
return 0;
}
銆銆鐗瑰埆瑕佹敞鎰忕殑鏄敤extern int dllGlobalVar澹版槑鎵瀵煎叆鐨勫茍涓嶆槸DLL涓叏灞鍙橀噺鏈韓錛岃屾槸鍏跺湴鍧錛屽簲鐢ㄧ▼搴忓繀欏婚氳繃寮哄埗鎸囬拡杞崲鏉ヤ嬌鐢―LL涓殑鍏ㄥ眬鍙橀噺銆傝繖涓鐐癸紝浠?(int*)dllGlobalVar鍙互鐪嬪嚭銆傚洜姝ゅ湪閲囩敤榪欑鏂瑰紡寮曠敤DLL鍏ㄥ眬鍙橀噺鏃訛紝鍗冧竾涓嶈榪涜榪欐牱鐨勮祴鍊兼搷浣滐細
dllGlobalVar = 1;
銆銆鍏剁粨鏋滄槸dllGlobalVar鎸囬拡鐨勫唴瀹瑰彂鐢熷彉鍖栵紝紼嬪簭涓互鍚庡啀涔熷紩鐢ㄤ笉鍒癉LL涓殑鍏ㄥ眬鍙橀噺浜嗐?BR>
銆銆鍦ㄥ簲鐢ㄥ伐紼嬩腑寮曠敤DLL涓叏灞鍙橀噺鐨勪竴涓洿濂芥柟娉曟槸錛?BR>
#include <stdio.h>
#pragma comment(lib,"dllTest.lib")
extern int _declspec(dllimport) dllGlobalVar; //鐢╛declspec(dllimport)瀵煎叆
int main(int argc, char *argv[])
{
printf("%d ", dllGlobalVar);
dllGlobalVar = 1; //榪欓噷灝卞彲浠ョ洿鎺ヤ嬌鐢? 鏃犻』榪涜寮哄埗鎸囬拡杞崲
printf("%d ", dllGlobalVar);
return 0;
}
銆銆閫氳繃_declspec(dllimport)鏂瑰紡瀵煎叆鐨勫氨鏄疍LL涓叏灞鍙橀噺鏈韓鑰屼笉鍐嶆槸鍏跺湴鍧浜嗭紝絎旇呭緩璁湪涓鍒囧彲鑳界殑鎯呭喌涓嬮兘浣跨敤榪欑鏂瑰紡銆?BR>
#define CALLBACK __stdcall //榪欏氨鏄紶璇翠腑鐨勫洖璋冨嚱鏁?BR>
#define WINAPI __stdcall //榪欏氨鏄紶璇翠腑鐨刉INAPI
#define WINAPIV __cdecl
#define APIENTRY WINAPI //DllMain鐨勫叆鍙e氨鍦ㄨ繖閲?BR>
#define APIPRIVATE __stdcall
#define PASCAL __stdcall
int __stdcall add(int x, int y);
typedef int(__stdcall *lpAddFun)(int, int);
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
printf("\nprocess attach of dll");
break;
case DLL_THREAD_ATTACH:
printf("\nthread attach of dll");
break;
case DLL_THREAD_DETACH:
printf("\nthread detach of dll");
break;
case DLL_PROCESS_DETACH:
printf("\nprocess detach of dll");
break;
}
return TRUE;
}
hDll = LoadLibrary("..\\Debug\\dllTest.dll");
if (hDll != NULL)
{
addFun = (lpAddFun)GetProcAddress(hDll, MAKEINTRESOURCE(1));
//MAKEINTRESOURCE鐩存帴浣跨敤瀵煎嚭鏂囦歡涓殑搴忓彿
if (addFun != NULL)
{
int result = addFun(2, 3);
printf("\ncall add in dll:%d", result);
}
FreeLibrary(hDll);
}
#define MAKEINTRESOURCEA(i) (LPSTR)((DWORD)((WORD)(i)))
#define MAKEINTRESOURCEW(i) (LPWSTR)((DWORD)((WORD)(i)))
#ifdef UNICODE
#define MAKEINTRESOURCE MAKEINTRESOURCEW
#else
#define MAKEINTRESOURCE MAKEINTRESOURCEA
#pragma comment(lib,"dllTest.lib")
//.lib鏂囦歡涓粎浠呮槸鍏充簬鍏跺搴擠LL鏂囦歡涓嚱鏁扮殑閲嶅畾浣嶄俊鎭?BR>
extern "C" __declspec(dllimport) add(int x,int y);
int main(int argc, char* argv[])
{
int result = add(2,3);
printf("%d",result);
return 0;
}
; lib.def : 瀵煎嚭DLL鍑芥暟
LIBRARY dllTest
EXPORTS
add @ 1
/* 鏂囦歡鍚嶏細lib.h銆*/
#ifndef LIB_H
#define LIB_H
extern "C" int __declspec(dllexport)add(int x, int y);
#endif
/* 鏂囦歡鍚嶏細lib.cpp銆*/
#include "lib.h"
int add(int x, int y)
{
return x + y;
}
鍒嗘瀽涓婅堪浠g爜錛宒llTest宸ョ▼涓殑lib.cpp鏂囦歡涓庣2鑺傞潤鎬侀摼鎺ュ簱鐗堟湰瀹屽叏鐩稿悓錛屼笉鍚屽湪浜巐ib.h瀵瑰嚱鏁癮dd鐨勫0鏄庡墠闈㈡坊鍔犱簡__declspec(dllexport)璇彞銆傝繖涓鍙ョ殑鍚箟鏄0鏄庡嚱鏁癮dd涓篋LL鐨勫鍑哄嚱鏁般侱LL鍐呯殑鍑芥暟鍒嗕負涓ょ錛?BR>
銆銆(1)DLL瀵煎嚭鍑芥暟錛屽彲渚涘簲鐢ㄧ▼搴忚皟鐢紱
銆銆(2) DLL鍐呴儴鍑芥暟錛屽彧鑳藉湪DLL紼嬪簭浣跨敤錛屽簲鐢ㄧ▼搴忔棤娉曡皟鐢ㄥ畠浠?BR>
涓庣2鑺傚闈欐侀摼鎺ュ簱鐨勮皟鐢ㄧ浉浼鹼紝鎴戜滑涔熷緩绔嬩竴涓笌DLL宸ョ▼澶勪簬鍚屼竴宸ヤ綔鍖虹殑搴旂敤宸ョ▼dllCall錛屽畠璋冪敤DLL涓殑鍑芥暟add錛屽叾婧愪唬鐮佸涓嬶細
#include <stdio.h>
#include <windows.h>
typedef int(*lpAddFun)(int, int); //瀹忓畾涔夊嚱鏁版寚閽堢被鍨?BR>
int main(int argc, char *argv[])
{
HINSTANCE hDll; //DLL鍙ユ焺
lpAddFun addFun; //鍑芥暟鎸囬拡
hDll = LoadLibrary("..\\Debug\\dllTest.dll");
if (hDll != NULL)
{
addFun = (lpAddFun)GetProcAddress(hDll, "add");
if (addFun != NULL)
{
int result = addFun(2, 3);
printf("%d", result);
}
FreeLibrary(hDll);
}
return 0;
}
鑰屽簲鐢ㄧ▼搴忓鏈珼LL鐨勮皟鐢ㄥ拰瀵圭2鑺傞潤鎬侀摼鎺ュ簱鐨勮皟鐢ㄥ嵈鏈夎緝澶у樊寮傦紝涓嬮潰鎴戜滑鏉ラ愪竴鍒嗘瀽銆?BR>
銆銆棣栧厛錛岃鍙ypedef int ( * lpAddFun)(int,int)瀹氫箟浜嗕竴涓笌add鍑芥暟鎺ュ彈鍙傛暟綾誨瀷鍜岃繑鍥炲煎潎鐩稿悓鐨勫嚱鏁版寚閽堢被鍨嬨傞殢鍚庯紝鍦╩ain鍑芥暟涓畾涔変簡lpAddFun鐨勫疄渚媋ddFun錛?BR>
銆銆鍏舵錛屽湪鍑芥暟main涓畾涔変簡涓涓狣LL HINSTANCE鍙ユ焺瀹炰緥hDll錛岄氳繃Win32 Api鍑芥暟LoadLibrary鍔ㄦ佸姞杞戒簡DLL妯″潡騫跺皢DLL妯″潡鍙ユ焺璧嬬粰浜唄Dll錛?BR>
銆銆鍐嶆錛屽湪鍑芥暟main涓氳繃Win32 Api鍑芥暟GetProcAddress寰楀埌浜嗘墍鍔犺澆DLL妯″潡涓嚱鏁癮dd鐨勫湴鍧騫惰祴緇欎簡addFun銆傜粡鐢卞嚱鏁版寚閽坅ddFun榪涜浜嗗DLL涓璦dd鍑芥暟鐨勮皟鐢紱
銆銆鏈鍚庯紝搴旂敤宸ョ▼浣跨敤瀹孌LL鍚庯紝鍦ㄥ嚱鏁癿ain涓氳繃Win32 Api鍑芥暟FreeLibrary閲婃斁浜嗗凡緇忓姞杞界殑DLL妯″潡銆?BR>
銆銆閫氳繃榪欎釜綆鍗曠殑渚嬪瓙錛屾垜浠幏鐭LL瀹氫箟鍜岃皟鐢ㄧ殑涓鑸蹇碉細
銆銆(1)DLL涓渶浠ユ煇縐嶇壒瀹氱殑鏂瑰紡澹版槑瀵煎嚭鍑芥暟錛堟垨鍙橀噺銆佺被錛夛紱
銆銆(2)搴旂敤宸ョ▼闇浠ユ煇縐嶇壒瀹氱殑鏂瑰紡璋冪敤DLL鐨勫鍑哄嚱鏁幫紙鎴栧彉閲忋佺被錛夈?BR>
//鏂囦歡錛歭ib.h
#ifndef LIB_H
#define LIB_H
extern "C" int add(int x,int y);銆銆銆//澹版槑涓篊緙栬瘧銆佽繛鎺ユ柟寮忕殑澶栭儴鍑芥暟
#endif
//鏂囦歡錛歭ib.cpp
#include "lib.h"
int add(int x,int y)
{
return x + y;
}
銆銆緙栬瘧榪欎釜宸ョ▼灝卞緱鍒頒簡涓涓?lib鏂囦歡錛岃繖涓枃浠跺氨鏄竴涓嚱鏁板簱錛屽畠鎻愪緵浜哸dd鐨勫姛鑳姐傚皢澶存枃浠跺拰.lib鏂囦歡鎻愪氦緇欑敤鎴峰悗錛岀敤鎴峰氨鍙互鐩存帴浣跨敤鍏朵腑鐨刟dd鍑芥暟浜嗐?BR>
銆銆鏍囧噯Turbo C2.0涓殑C搴撳嚱鏁幫紙鎴戜滑鐢ㄦ潵鐨剆canf銆乸rintf銆乵emcpy銆乻trcpy絳夛級灝辨潵鑷繖縐嶉潤鎬佸簱銆?BR>
涓嬮潰鏉ョ湅鐪嬫庝箞浣跨敤榪欎釜搴擄紝鍦╨ibTest宸ョ▼鎵鍦ㄧ殑宸ヤ綔鍖哄唴new涓涓猯ibCall宸ョ▼銆俵ibCall宸ョ▼浠呭寘鍚竴涓猰ain.cpp鏂囦歡錛屽畠婕旂ず浜嗛潤鎬侀摼鎺ュ簱鐨勮皟鐢ㄦ柟娉曪紝鍏舵簮浠g爜濡備笅錛?BR>
#include <stdio.h>
#include "..\lib.h"
#pragma comment( lib, "..\\debug\\libTest.lib" ) 銆//鎸囧畾涓庨潤鎬佸簱涓璧瘋繛鎺?BR>int main(int argc, char* argv[])
{
printf( "2 + 3 = %d", add( 2, 3 ) );
}
銆銆闈欐侀摼鎺ュ簱鐨勮皟鐢ㄥ氨鏄繖涔堢畝鍗曪紝鎴栬鎴戜滑姣忓ぉ閮藉湪鐢紝鍙槸鎴戜滑娌℃湁鏄庣櫧榪欎釜姒傚康銆備唬鐮佷腑#pragma comment( lib , "..\\debug\\libTest.lib" )鐨勬剰鎬濇槸鎸囨湰鏂囦歡鐢熸垚鐨?obj鏂囦歡搴斾笌libTest.lib涓璧瘋繛鎺ャ?BR>