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鍦?pragma data_seg("DLLSharedSection")鍜?pragma data_seg()涔嬮棿鐨勬墍鏈夊彉閲忓皢琚闂Dll鐨勬墍鏈夎繘紼嬬湅鍒板拰鍏變韓銆備粎瀹氫箟涓涓暟鎹榪樹(shù)笉鑳借揪鍒板叡浜暟鎹殑鐩殑錛岃繕瑕佸憡璇夌紪璇戝櫒璇ユ鐨勫睘鎬э紝鏈変笁縐嶆柟娉曞彲浠ュ疄鐜拌鐩殑錛堝叾鏁堟灉鏄浉鍚岀殑錛夛紝涓縐嶆柟娉曟槸鍦?DEF鏂囦歡涓姞鍏ュ涓嬭鍙ワ細(xì) 鍙︿竴縐嶆柟娉曟槸鍦ㄩ」鐩緗殑閾炬帴閫夐」(Project Setting --銆塋ink)涓姞鍏ュ涓嬭鍙ワ細(xì) 榪樻湁涓縐嶅氨鏄嬌鐢ㄦ寚浠わ細(xì) 涓嬮潰鏉ヨ皥涓涓嬪湪鍏蜂綋浣跨敤鍏變韓鏁版嵁孌墊椂闇瑕佹敞鎰忕殑涓浜涢棶棰橈細(xì) · 鎵鏈夊湪鍏變韓鏁版嵁孌典腑鐨勫彉閲忥紝鍙湁鍦ㄦ暟鎹涓粡榪囦簡(jiǎn)鍒濆鍖栦箣鍚庯紝鎵嶄細(xì)鏄繘紼嬮棿鍏變韓鐨勩傚鏋滄病鏈夊垵濮嬪寲錛岄偅涔堣繘紼嬮棿璁塊棶璇ュ彉閲忓垯鏄湭瀹氫箟鐨勩?br>· 鎵鏈夌殑鍏變韓鍙橀噺閮借鏀劇疆鍦ㄥ叡浜暟鎹涓傚浣曞畾涔夊緢澶х殑鏁扮粍錛岄偅涔堜篃浼?xì)瀵艰嚧寰堝ぇ鐨凞LL銆?br>· 涓嶈鍦ㄥ叡浜暟鎹涓瓨鏀捐繘紼嬬浉鍏崇殑淇℃伅銆俉in32涓ぇ澶氭暟鐨勬暟鎹粨鏋勫拰鍊鹼紙姣斿HANDLE錛夊彧鍦ㄧ壒瀹氱殑榪涚▼涓婁笅鏂囦腑鎵嶆槸鏈夋晥鍦般?br>· 姣忎釜榪涚▼閮芥湁瀹冭嚜宸辯殑鍦板潃絀洪棿銆傚洜姝や笉瑕佸湪鍏變韓鏁版嵁孌典腑鍏變韓鎸囬拡錛屾寚閽堟寚鍚戠殑鍦板潃鍦ㄤ笉鍚岀殑鍦板潃絀洪棿涓槸涓嶄竴鏍風(fēng)殑銆?br>· DLL鍦ㄦ瘡涓繘紼嬩腑鏄鏄犲皠鍦ㄤ笉鍚岀殑铏氭嫙鍦板潃絀洪棿涓殑錛屽洜姝ゅ嚱鏁版寚閽堜篃鏄笉瀹夊叏鐨勩?br> __stdcall璋冪敤綰﹀畾錛?/p>
1銆佷互"?"鏍囪瘑鍑芥暟鍚嶇殑寮濮嬶紝鍚庤窡鍑芥暟鍚嶏紱 X鈥斺攙oid錛?br>D鈥斺攃har錛?br>E鈥斺攗nsigned char錛?br>F鈥斺攕hort錛?br>H鈥斺攊nt錛?br>I鈥斺攗nsigned int錛?br>J鈥斺攍ong錛?br>K鈥斺攗nsigned long錛?br>M鈥斺攆loat錛?br>N鈥斺攄ouble錛?br>_N鈥斺攂ool錛?br>.... 銆銆PA鈥斺旇〃紺烘寚閽堬紝鍚庨潰鐨勪唬鍙瘋〃鏄庢寚閽堢被鍨嬶紝濡傛灉鐩稿悓綾誨瀷鐨勬寚閽堣繛緇嚭鐜幫紝浠?0"浠f浛錛屼竴涓?0"浠h〃涓嬈¢噸澶嶏紱 __cdecl璋冪敤綰﹀畾錛?br>銆銆瑙勫垯鍚屼笂闈㈢殑_stdcall璋冪敤綰﹀畾錛屽彧鏄弬鏁拌〃鐨勫紑濮嬫爣璇嗙敱涓婇潰鐨?@@YG"鍙樹(shù)負(fù)"@@YA"銆?/p>
__fastcall璋冪敤綰﹀畾錛?br>銆銆瑙勫垯鍚屼笂闈㈢殑_stdcall璋冪敤綰﹀畾錛屽彧鏄弬鏁拌〃鐨勫紑濮嬫爣璇嗙敱涓婇潰鐨?@@YG"鍙樹(shù)負(fù)"@@YI"銆?br> 澹版槑涓哄鍑哄彉閲忔椂錛屽悓鏍鋒湁涓ょ鏂規(guī)硶錛?br> 絎竴縐嶆槸鐢╛_declspec榪涜瀵煎嚭澹版槑 絎簩縐嶆槸鐢ㄦā鍧楀畾涔夋枃浠訛紙.def錛夎繘琛屽鍑哄0鏄?/p>
閫氳繃GetProcAddress鍙栧嚭鐨勫嚱鏁版垨鑰呭彉閲忛兘鏄湴鍧錛屽洜姝わ紝闇瑕佽В寮曠敤騫朵笖杞被鍨嬨?/p>
闅愬紡閾炬帴 榪欓噷鏈変袱涓柟娉曟潵杞藉叆涓涓狣LL錛涗竴涓柟娉曟槸鎹峰緞鍙︿竴涓垯鐩告瘮瑕佸鏉備簺銆傛嵎寰勬槸鍙摼鎺ュ埌浣?lib 鏂囦歡騫跺皢.dll鏂囦歡緗叆浣犵殑鏂伴」鐩殑璺緞涓幓銆傚洜姝わ紝鍒涘緩涓涓柊鐨勭┖鐨刉in32鎺у埗鍙伴」鐩茍娣誨姞涓涓簮鏂囦歡銆傚皢浣犲仛鐨凞LL鏀懼叆浣犵殑鏂伴」鐩浉鍚岀殑鐩綍涓嬨?/p>
榪欏氨鏄澆鍏ヤ竴涓狣LL鐨勭畝鍗曟柟娉曘?/p>
鏄懼紡閾炬帴 闅劇偣鐨勫姞杞紻LL鐨勬柟娉曠◢寰湁鐐瑰鏉傘備綘灝嗛渶瑕佸嚱鏁版寚閽堝拰涓浜沇indows鍑芥暟銆備絾鏄紝閫氳繃榪欑杞藉叆DLLs鐨勬柟娉曪紝浣犱笉闇瑕丏LL鐨?lib鎴栧ご鏂囦歡錛岃屽彧闇瑕丏LL銆?/p>
涓嬮潰浣犱細(xì)鐪嬪埌錛氫笅闈㈢殑涓鍙ヤ唬鐮? typedef void (*DLLFunc)(int); 涓涓狧INSTANCE鏄竴涓猈indows鏁版嵁綾誨瀷錛氭槸涓涓疄渚嬬殑鍙ユ焺錛涘湪姝ゆ儏鍐典笅錛岃繖涓疄渚嬪皢鏄繖涓狣LL銆備綘鍙互閫氳繃浣跨敤鍑芥暟LoadLibrary()鑾峰緱DLL鐨勫疄渚嬶紝瀹冭幏寰椾竴涓悕縐頒綔涓哄弬鏁般傚湪璋冪敤LoadLibrary鍑芥暟鍚庯紝浣犲繀闇鏌ョ湅涓涓嬪嚱鏁拌繑鍥炴槸鍚︽垚鍔熴備綘鍙互閫氳繃媯(gè)鏌INSTANCE鏄惁絳変簬NULL錛堝湪Windows.h涓畾涔変負(fù)0鎴朩indows.h鍖呭惈鐨勪竴涓ご鏂囦歡錛夋潵鏌ョ湅鍏舵槸鍚︽垚鍔熴傚鏋滃叾絳変簬NULL錛岃鍙ユ焺灝嗘槸鏃犳晥鐨勶紝騫朵笖浣犲繀闇閲婃斁榪欎釜搴撱傛崲鍙ヨ瘽璇達(dá)紝浣犲繀闇閲婃斁DLL鑾峰緱鐨勫唴瀛樸傚鏋滃嚱鏁拌繑鍥炴垚鍔燂紝浣犵殑HINSTANCE灝卞寘鍚簡(jiǎn)鎸囧悜DLL鐨勫彞鏌勩?/p>
涓鏃︿綘鑾峰緱浜?jiǎn)鎸囧悜DLL鐨勫彞鏌勶紝浣犵幇鍦ㄥ彲浠ヤ粠DLL涓噸鏂拌幏寰楀嚱鏁般備負(fù)浜?jiǎn)杩欐牱浣滃Q屼綘蹇呴』浣跨敤鍑芥暟GetProcAddress()錛屽畠?yōu)畣DLL鐨勫彞鏌勶紙浣犲彲浠ヤ嬌鐢℉INSTANCE錛夊拰鍑芥暟鐨勫悕縐頒綔涓哄弬鏁般備綘鍙互璁╁嚱鏁版寚閽堣幏寰楃敱GetProcAddress()榪斿洖鐨勫鹼紝鍚屾椂浣犲繀闇灝咷etProcAddress()杞崲涓洪偅涓嚱鏁板畾涔夌殑鍑芥暟鎸囬拡銆備婦涓緥瀛愶紝瀵逛簬Add()鍑芥暟錛屼綘蹇呴渶灝咷etProcAddress()杞崲涓篈ddFunc錛涜繖灝辨槸瀹冪煡閬撳弬鏁板強(qiáng)榪斿洖鍊肩殑鍘熷洜銆傜幇鍦紝鏈濂藉厛紜畾鍑芥暟鎸囬拡鏄惁絳変簬NULL浠ュ強(qiáng)瀹冧滑鎷ユ湁DLL鐨勫嚱鏁般傝繖鍙槸涓涓畝鍗曠殑if璇彞錛涘鏋滃叾涓竴涓瓑浜嶯ULL錛屼綘蹇呴渶濡傚墠鎵榪伴噴鏀懼簱銆?/p>
涓鏃﹀嚱鏁版寚閽堟嫢鏈塂LL鐨勫嚱鏁幫紝浣犵幇鍦ㄥ氨鍙互浣跨敤瀹冧滑浜?jiǎn)锛屼絾鏄瘶q欓噷鏈変竴涓渶瑕佹敞鎰忕殑鍦版柟錛氫綘涓嶈兘浣跨敤鍑芥暟鐨勫疄闄呭悕縐幫紱浣犲繀闇浣跨敤鍑芥暟鎸囬拡鏉ヨ皟鐢ㄥ畠浠傚湪閭d互鍚庯紝鎵鏈変綘闇瑕佸仛鐨勬槸閲婃斁搴撳姝よ屽凡銆?/p>
妯″潡鍙ユ焺 榪涚▼涓殑姣忎釜DLL妯″潡琚叏灞鍞竴鐨?2瀛楄妭鐨凥INSTANCE鍙ユ焺鏍囪瘑銆傝繘紼嬭嚜宸辮繕鏈変竴涓狧INSTANCE鍙ユ焺銆傛墍鏈夎繖浜涙ā鍧楀彞鏌勯兘鍙湁鍦ㄧ壒瀹氱殑榪涚▼鍐呴儴鏈夋晥錛屽畠浠唬琛ㄤ簡(jiǎn)DLL鎴朎XE妯″潡鍦ㄨ繘紼嬭櫄鎷熺┖闂翠腑鐨勮搗濮嬪湴鍧銆傚湪Win32涓紝HINSTANCE鍜孒MODULE鐨勫兼槸鐩稿悓鐨勶紝榪欎釜涓ょ綾誨瀷鍙互鏇挎崲浣跨敤銆傝繘紼嬫ā鍧楀彞鏌勫嚑涔庢繪槸絳変簬0x400000錛岃孌LL妯″潡鐨勫姞杞藉湴鍧鐨勭己鐪佸彞鏌勬槸0x10000000銆傚鏋滅▼搴忓悓鏃朵嬌鐢ㄤ簡(jiǎn)鍑犱釜DLL妯″潡錛屾瘡涓涓兘浼?xì)鏈変笉鍚岀殑HINSTANCE鍊箋傝繖鏄洜涓哄湪鍒涘緩DLL鏂囦歡鏃舵寚瀹氫簡(jiǎn)涓嶅悓鐨勫熀鍦板潃錛屾垨鑰呮槸鍥犱負(fù)鍔犺澆紼嬪簭瀵笵LL浠g爜榪涜浜?jiǎn)閲嶅畾浣嶃?br>妯″潡鍙ユ焺瀵逛簬鍔犺澆璧勬簮鐗瑰埆閲嶈銆俉in32 鐨凢indResource鍑芥暟涓甫鏈変竴涓狧INSTANCE鍙傛暟銆侲XE鍜孌LL閮芥湁鍏惰嚜宸辯殑璧勬簮銆傚鏋滃簲鐢ㄧ▼搴忛渶瑕佹潵鑷簬DLL鐨勮祫婧愶紝灝卞皢姝ゅ弬鏁版寚瀹氫負(fù)DLL鐨勬ā鍧楀彞鏌勩傚鏋滈渶瑕丒XE鏂囦歡涓寘鍚殑璧勬簮錛屽氨鎸囧畾EXE鐨勬ā鍧楀彞鏌勩?br>浣嗘槸鍦ㄤ嬌鐢ㄨ繖浜涘彞鏌勪箣鍓嶅瓨鍦ㄤ竴涓棶棰橈紝浣犳庢牱寰楀埌瀹冧滑鍛紵濡傛灉闇瑕佸緱鍒癊XE妯″潡鍙ユ焺錛岃皟鐢ㄥ甫鏈塏ull鍙傛暟鐨刉in32鍑芥暟GetModuleHandle錛涘鏋滈渶瑕丏LL妯″潡鍙ユ焺錛屽氨璋冪敤浠LL鏂囦歡鍚嶄負(fù)鍙傛暟鐨刉in32鍑芥暟GetModuleHandle銆?/p>
搴旂敤紼嬪簭鎬庢牱鎵懼埌DLL鏂囦歡 濡傛灉搴旂敤紼嬪簭浣跨敤LoadLibrary鏄懼紡閾炬帴錛岄偅涔堝湪榪欎釜鍑芥暟鐨勫弬鏁頒腑鍙互鎸囧畾DLL鏂囦歡鐨勫畬鏁磋礬寰勩傚鏋滀笉鎸囧畾璺緞錛屾垨鏄繘琛岄殣寮忛摼鎺ワ紝W(xué)indows灝嗛伒寰笅闈㈢殑鎼滅儲(chǔ)欏哄簭鏉ュ畾浣岲LL錛?br>1錛?鍖呭惈EXE鏂囦歡鐨勭洰褰曪紝 璋冭瘯DLL紼嬪簭 Microsoft 鐨刅C錛嬶紜鏄紑鍙戝拰嫻嬭瘯DLL鐨勬湁鏁堝伐鍏鳳紝鍙渶浠嶥LL欏圭洰涓繍琛岃皟璇曠▼搴忓嵆鍙傚綋浣犵涓嬈¤繖鏍鋒搷浣滄椂錛岃皟璇曠▼搴忎細(xì)鍚戜綘璇㈤棶EXE鏂囦歡鐨勮礬寰勩傛鍚庢瘡嬈″湪璋冭瘯紼嬪簭涓繍琛孌LL鏃訛紝璋冭瘯紼嬪簭浼?xì)鑷姩鍔犺浇璇XE鏂囦歡銆傜劧鍚庤EXE鏂囦歡鐢ㄤ笂闈㈢殑鎼滅儲(chǔ)搴忓垪鍙戠幇DLL鏂囦歡錛岃繖鎰忓懗鐫浣犲繀欏昏緗甈ath鐜鍙橀噺璁╁叾鍖呭惈DLL鏂囦歡鐨勭鐩樿礬寰勶紝鎴栬呬篃鍙互灝咲LL鏂囦歡鎷瘋礉鍒版悳绱㈠簭鍒椾腑鐨勭洰褰曡礬寰勪笅銆?br>鎴栬呭綋浣犺皟璇旹XE紼嬪簭鏃訛紝鍦≒roject Setting涓紝灝咲ebug閫夐」鍗′腑鐨凜ategory璁劇疆涓篈dditional DLLs銆傚氨鍙互鍚屾椂璋冭瘯EXE鍜屽畠璋冪敤鐨凞LL錛堝綋鐒?dòng)灱屼綘闇瑕佹湁DLL鐨勬簮浠g爜錛変簡(jiǎn)銆?br>
#pragma data_seg("DLLSharedSection") // 澹版槑鍏變韓鏁版嵁孌碉紝騫跺懡鍚嶈鏁版嵁孌?/span>
int SharedData = 123; // 蹇呴』鍦ㄥ畾涔夌殑鍚屾椂榪涜鍒濆鍖?!!!
#pragma data_seg()
SETCTIONS
DLLSharedSection READ WRITE SHARED
/SECTION:DLLSharedSection,rws
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褰撶劧榪樻湁鍏跺畠鐨勬柟娉曟潵榪涜榪涚▼闂寸殑鏁版嵁鍏變韓錛屾瘮濡傛枃浠跺唴瀛樻槧灝勭瓑錛岃繖灝辨秹鍙?qiáng)鍒伴氱敤鐨勮繘紼嬮棿閫氫俊浜?jiǎn)锛寴q欓噷灝變笉澶氳浜?jiǎn)銆?/p>
DLL澶存枃浠訛細(xì)
#ifndef _DLL_SAMPLE_H
#define _DLL_SAMPLE_H
// 閫氳繃瀹忔潵鎺у埗鏄鍏ヨ繕鏄鍑?/span>
#ifdef _DLL_SAMPLE
#define DLL_SAMPLE_API __declspec(dllexport)
#else
#define DLL_SAMPLE_API __declspec(dllimport)
#endif
// 瀵煎嚭/瀵煎叆鍙橀噺澹版槑
DLL_SAMPLE_API class DLLClass

{
public:
void Show();
};
#undef DLL_SAMPLE_API
#endif
DLL瀹炵幇鏂囦歡錛?
#include "stdafx.h"
#define _DLL_SAMPLE
#ifndef _DLL_SAMPLE_H
#include "DLLSample.h"
#endif
#include "stdio.h"
//APIENTRY澹版槑DLL鍑芥暟鍏ュ彛鐐?/span>
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)

{
銆switch (ul_reason_for_call)
銆
{
銆銆case DLL_PROCESS_ATTACH:
銆銆case DLL_THREAD_ATTACH:
銆銆case DLL_THREAD_DETACH:
銆銆case DLL_PROCESS_DETACH:
銆銆銆break;
銆}
銆return TRUE;
}
void DLLClass::Show()

{
printf("DLLClass show!");
}
搴旂敤紼嬪簭璋冪敤DLL
#include "DLLSample.h"
#pragma comment(lib,"DLLSample.lib")

int main(int argc, char *argv[])

{
銆DLLClass dc;
dc.Show();
銆return 0;
}
澶у鍙兘鍙戠幇浜?jiǎn)锛屼笂闈㈡垜娌℃湁鋴社敤妯″潡瀹氫箟鏂囦挥灱?def錛夊0鏄庡鍑虹被涔熸病鏈夌敤鏄懼紡閾炬帴瀵煎叆DLL銆?
鐢―epends鏌ョ湅鍓嶉潰緙栬瘧鍑烘潵鐨凞LL鏂囦歡錛屼細(xì)鍙戠幇閲岄潰瀵煎嚭浜?jiǎn)寰堝鎬殑symbol錛岃繖鏄洜涓篊++緙栬瘧鍣ㄥ湪緙栬瘧鏃朵細(xì)瀵箂ymbol榪涜淇グ銆?br>榪欐槸鎴戜粠鍒漢閭e効杞潵鐨勬埅鍥俱?/p>

緗戜笂鎵句簡(jiǎn)涓嬶紝鍙戠幇浜?jiǎn)C++緙栬瘧鏃跺嚱鏁板悕鐨勪慨楗扮害瀹氳鍒?/p>
2銆佸嚱鏁板悕鍚庨潰浠?@@YG"鏍囪瘑鍙傛暟琛ㄧ殑寮濮嬶紝鍚庤窡鍙傛暟琛紱
3銆佸弬鏁拌〃浠ヤ唬鍙瘋〃紺猴細(xì)
4銆佸弬鏁拌〃鐨勭涓欏逛負(fù)璇ュ嚱鏁扮殑榪斿洖鍊肩被鍨嬶紝鍏跺悗渚濇涓哄弬鏁扮殑鏁版嵁綾誨瀷,鎸囬拡鏍囪瘑鍦ㄥ叾鎵鎸囨暟鎹被鍨嬪墠錛?
5銆佸弬鏁拌〃鍚庝互"@Z"鏍囪瘑鏁翠釜鍚嶅瓧鐨勭粨鏉燂紝濡傛灉璇ュ嚱鏁版棤鍙傛暟錛屽垯浠?Z"鏍囪瘑緇撴潫銆?br>銆銆鍏舵牸寮忎負(fù)"?functionname@@YG*****@Z"鎴?a href="mailto:?functionname@@YG*XZ">?functionname@@YG*XZ錛?/p>
int Test1錛坈har *var1,unsigned long錛?a href="mailto:-----“?Test1@@YGHPADK@Z”">-----“?Test1@@YGHPADK@Z”
void Test2錛堬級(jí) -----“?Test2@@YGXXZ”
VC++瀵瑰嚱鏁扮殑鐪佺己澹版槑鏄?__cedcl",灝嗗彧鑳借C/C++璋冪敤銆?br>
铏界劧鍥犱負(fù)C++緙栬瘧鍣ㄥsymbol榪涜淇グ鐨勫師鍥犱笉鑳界洿鎺ョ敤def鏂囦歡澹版槑瀵煎嚭綾誨拰鏄懼紡閾炬帴錛屼絾鏄彲浠ョ敤鍙﹀涓縐嶅彇宸х殑鏂瑰紡銆?/p>
鍦ㄥご鏂囦歡涓被鐨勫0鏄庝腑娣誨姞涓涓弸鍏冨嚱鏁幫細(xì)
friend DLLClass* CreatDLLClass();
鐒跺悗澹版槑CreatDLLClass()涓哄鍑哄嚱鏁幫紝閫氳繃璋冪敤璇ュ嚱鏁拌繑鍥炰竴涓狣LLClass綾葷殑瀵硅薄錛屽悓鏍瘋揪鍒頒簡(jiǎn)瀵煎嚭綾葷殑鐩殑銆?br>榪欐牱錛屽氨鍙互鐢ㄦ樉寮忛摼鎺ユ潵璋冪敤CreatDLLClass()錛屼粠鑰屽緱鍒扮被瀵硅薄浜?jiǎn)銆?
#ifndef _DLL_SAMPLE_H
#define _DLL_SAMPLE_H
// 濡傛灉瀹氫箟浜?jiǎn)C++緙栬瘧鍣紝閭d箞澹版槑涓篊閾炬帴鏂瑰紡
#ifdef __cplusplus
extern "C"
{
#endif
// 閫氳繃瀹忔潵鎺у埗鏄鍏ヨ繕鏄鍑?/span>
#ifdef _DLL_SAMPLE
#define DLL_SAMPLE_API __declspec(dllexport)
#else
#define DLL_SAMPLE_API __declspec(dllimport)
#endif
// 瀵煎嚭/瀵煎叆鍙橀噺澹版槑
DLL_SAMPLE_API extern int DLLData;
#undef DLL_SAMPLE_API
#ifdef __cplusplus
}
#endif
#endif
LIBRARY DLLSample
DESCRIPTION "my simple DLL"
EXPORTS
DLLData DATA 錛汥ATA琛ㄧず榪欐槸鏁版嵁錛堝彉閲忥級(jí)
#include "stdafx.h"
#define _DLL_SAMPLE
#ifndef _DLL_SAMPLE_H
#include "DLLSample.h"
#endif
#include "stdio.h"
int DLLData;
//APIENTRY澹版槑DLL鍑芥暟鍏ュ彛鐐?/span>
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)

{
銆switch (ul_reason_for_call)
銆
{
銆銆case DLL_PROCESS_ATTACH:
DLLData = 123; // 鍦ㄥ叆鍙e嚱鏁頒腑瀵瑰彉閲忚繘琛屽垵濮嬪寲
break
銆銆case DLL_THREAD_ATTACH:
銆銆case DLL_THREAD_DETACH:
銆銆case DLL_PROCESS_DETACH:
銆銆銆break;
銆}
銆return TRUE;
}
鍚屾牱錛屽簲鐢ㄧ▼搴忚皟鐢―LL涓殑鍙橀噺涔熸湁涓ょ鏂規(guī)硶銆?br>絎竴縐嶆槸闅愬紡閾炬帴錛?/p>
#include <stdio.h>
#include "DLLSample.h"
#pragma comment(lib,"DLLSample.lib")

int main(int argc, char *argv[])

{
銆printf("%d ", DLLSample);
銆return 0;
}

絎簩縐嶆槸鏄懼紡閾炬帴錛?/p>
#include <iostream>
#include <windows.h>
int main()

{
int my_int;
HINSTANCE hInstLibrary = LoadLibrary("DLLSample.dll");
if (hInstLibrary == NULL)
{
FreeLibrary(hInstLibrary);
}
my_int = *(int*)GetProcAddress(hInstLibrary, "DLLData");
if (dllFunc == NULL)
{
FreeLibrary(hInstLibrary);
}
std::cout<<my_int;
std::cin.get();
FreeLibrary(hInstLibrary);
return(1);
}
]]>
#include "stdafx.h"
#include "DLLSample.h"
#pragma comment(lib, "DLLSample.lib") //浣犱篃鍙互鍦ㄩ」鐩睘鎬т腑璁劇疆搴撶殑閾炬帴
int main()

{
TestDLL(123);
return(1);
}
#include <iostream>
#include <windows.h>
typedef void (*DLLFunc)(int);
int main()

{
DLLFunc dllFunc;
HINSTANCE hInstLibrary = LoadLibrary("DLLSample.dll");
if (hInstLibrary == NULL)
{
FreeLibrary(hInstLibrary);
}
dllFunc = (DLLFunc)GetProcAddress(hInstLibrary, "TestDLL");
if (dllFunc == NULL)
{
FreeLibrary(hInstLibrary);
}
dllFunc(123);
std::cin.get();
FreeLibrary(hInstLibrary);
return(1);
}
棣栧厛浣犱細(xì)娉ㄦ剰鍒幫細(xì)榪欓噷鍖呮嫭榪涗簡(jiǎn)鏂囦歡“windows.h”鍚屾椂縐昏蛋浜?#8220;DLLSample.h”銆傚師鍥犲緢綆鍗曪細(xì)鍥犱負(fù)windows.h鍖呭惈浜?jiǎn)涓浜沇indows鍑芥暟錛屽綋鐒朵綘鐜板湪灝嗗彧闇瑕佸叾涓嚑涓屽凡銆傚畠涔熷寘鍚簡(jiǎn)涓浜涘皢浼?xì)鐢ㄥ埌鐨刉indows鐗瑰畾鍙橀噺銆備綘鍙互鍘繪帀DLL鐨勫ご鏂囦歡錛圖LLSample.h錛夊洜涓猴紞濡傛垜鍓嶉潰鎵璇達(dá)紞褰撲綘浣跨敤榪欎釜鏂規(guī)硶杞藉叆DLL鏃朵綘騫朵笉闇瑕佸畠銆?/p>
榪欐槸涓涓嚱鏁版寚閽堢被鍨嬬殑瀹氫箟銆傛寚鍚戜竴涓嚱鏁版槸涓涓猧nt鍨嬬殑鍙傛暟錛岃繑鍥炲間負(fù)void綾誨瀷銆?/p>
2錛?榪涚▼鐨勫綋鍓嶅伐浣滅洰褰曪紝
3錛?Windows緋葷粺鐩綍錛?br>4錛?Windows鐩綍錛?br>5錛?鍒楀湪Path鐜鍙橀噺涓殑涓緋誨垪鐩綍銆?br>榪欓噷鏈変竴涓緢瀹規(guī)槗鍙戠敓閿欒鐨勯櫡闃便傚鏋滀綘浣跨敤VC錛嬶紜榪涜欏圭洰寮鍙戯紝騫朵笖涓篋LL妯″潡涓撻棬鍒涘緩浜?jiǎn)涓涓」鐩紝鐒跺悗灝嗙敓鎴愮殑DLL鏂囦歡鎷瘋礉鍒扮郴緇熺洰褰曚笅錛屼粠搴旂敤紼嬪簭涓皟鐢―LL妯″潡銆傚埌鐩墠涓烘錛屼竴鍒囨甯搞傛帴涓嬫潵瀵笵LL妯″潡鍋氫簡(jiǎn)涓浜涗慨鏀瑰悗閲嶆柊鐢熸垚浜?jiǎn)鏂扮殑DLL鏂囦歡錛屼絾浣犲繕璁板皢鏂扮殑DLL鏂囦歡鎷瘋礉鍒扮郴緇熺洰褰曚笅銆備笅涓嬈″綋浣犺繍琛屽簲鐢ㄧ▼搴忔椂錛屽畠浠嶅姞杞戒簡(jiǎn)鑰佺増鏈殑DLL鏂囦歡錛岃繖鍙褰撳績(jī)錛?/p>
]]>
鍔ㄦ侀摼鎺ュ簱錛圖LL錛夋槸浠嶤璇█鍑芥暟搴撳拰Pascal搴撳崟鍏冪殑姒傚康鍙戝睍鑰屾潵鐨勩傛墍鏈夌殑C璇█鏍囧噯搴撳嚱鏁伴兘瀛樻斁鍦ㄦ煇涓鍑芥暟搴撲腑銆傚湪閾炬帴搴旂敤紼嬪簭鐨勮繃紼嬩腑錛岄摼鎺ュ櫒浠庡簱鏂囦歡涓嫹璐濈▼搴忚皟鐢ㄧ殑鍑芥暟浠g爜錛屽茍鎶婅繖浜涘嚱鏁頒唬鐮佹坊鍔犲埌鍙墽琛屾枃浠朵腑銆傝繖縐嶆柟娉曞悓鍙妸鍑芥暟鍌ㄥ瓨鍦ㄥ凡緙栬瘧鐨凮BJ鏂囦歡涓浉姣旀洿鏈夊埄浜庝唬鐮佺殑閲嶇敤銆備絾闅忕潃Windows榪欐牱鐨勫浠誨姟鐜鐨勫嚭鐜幫紝鍑芥暟搴撶殑鏂規(guī)硶鏄懼緱榪囦簬绱禈銆傚鏋滀負(fù)浜?jiǎn)瀹屾垚灞忩q曡緭鍑恒佹秷鎭鐞嗐佸唴瀛樼鐞嗐佸璇濇絳夋搷浣滐紝姣忎釜紼嬪簭閮戒笉寰椾笉鎷ユ湁鑷繁鐨勫嚱鏁幫紝閭d箞Windows紼嬪簭灝嗗彉寰楅潪甯稿簽澶с俉indows鐨勫彂灞曡姹傚厑璁稿悓鏃惰繍琛岀殑鍑犱釜紼嬪簭鍏變韓涓緇勫嚱鏁扮殑鍗曚竴鎷瘋礉銆傚姩鎬侀摼鎺ュ簱灝辨槸鍦ㄨ繖縐嶆儏鍐典笅鍑虹幇鐨勩傚姩鎬侀摼鎺ュ簱涓嶇敤閲嶅緙栬瘧鎴栭摼鎺ワ紝涓鏃﹁鍏ュ唴瀛橈紝DLL鍑芥暟鍙互琚郴緇熶腑鐨勪換浣曟鍦ㄨ繍琛岀殑搴旂敤紼嬪簭杞歡鎵浣跨敤錛岃屼笉蹇呭啀灝咲LL鍑芥暟鐨勫彟涓鎷瘋礉瑁呭叆鍐呭瓨銆?br>
涓嬮潰鎴戜滑涓姝ヤ竴姝ユ潵寤虹珛涓涓狣LL銆?br>
涓銆佸緩绔嬩竴涓狣LL宸ョ▼
鏂板緩涓涓伐紼嬶紝閫夋嫨Win32 鎺у埗鍙伴」鐩紙Win32 Console Application錛夛紝騫朵笖鍦ㄥ簲鐢ㄧ▼搴忚緗爣絳撅紙the advanced tab錛変笂錛岄夋嫨DLL鍜岀┖欏圭洰閫夐」銆?br>
浜屻佸0鏄庡鍑哄嚱鏁?br> 榪欓噷鏈変袱縐嶆柟娉曞0鏄庡鍑哄嚱鏁幫細(xì)涓縐嶆槸閫氳繃浣跨敤__declspec(dllexport)錛屾坊鍔犲埌闇瑕佸鍑虹殑鍑芥暟鍓嶏紝榪涜澹版槑錛涘彟澶栦竴縐嶅氨鏄氳繃妯″潡瀹氫箟鏂囦歡錛圡odule-Definition File鍗?DEF錛夋潵榪涜澹版槑銆?br> 絎竴縐嶆柟娉曪紝寤虹珛澶存枃浠禗LLSample.h錛屽湪澶存枃浠朵腑錛屽闇瑕佸鍑虹殑鍑芥暟榪涜澹版槑銆?
#ifndef _DLL_SAMPLE_H
#define _DLL_SAMPLE_H
// 濡傛灉瀹氫箟浜?jiǎn)C++緙栬瘧鍣紝閭d箞澹版槑涓篊閾炬帴鏂瑰紡
#ifdef __cplusplus
extern "C"
{
#endif
// 閫氳繃瀹忔潵鎺у埗鏄鍏ヨ繕鏄鍑?/span>
#ifdef _DLL_SAMPLE
#define DLL_SAMPLE_API __declspec(dllexport)
#else
#define DLL_SAMPLE_API __declspec(dllimport)
#endif
// 瀵煎嚭/瀵煎叆鍑芥暟澹版槑
DLL_SAMPLE_API void TestDLL(int);
#undef DLL_SAMPLE_API
#ifdef __cplusplus
}
#endif
#endif
榪欎釜澶存枃浠朵細(xì)鍒嗗埆琚獶LL鍜岃皟鐢―LL鐨勫簲鐢ㄧ▼搴忓紩鍏ワ紝褰撹DLL寮曞叆鏃訛紝鍦―LL涓畾涔塤DLL_SAMPLE瀹忥紝榪欐牱灝變細(xì)鍦―LL妯″潡涓0鏄庡嚱鏁頒負(fù)瀵煎嚭鍑芥暟錛涘綋琚皟鐢―LL鐨勫簲鐢ㄧ▼搴忓紩鍏ユ椂錛屽氨娌℃湁瀹氫箟_DLL_SAMPLE錛岃繖鏍峰氨浼?xì)澹版槑澶存枃錃g涓殑鍑芥暟涓轟粠DLL涓殑瀵煎叆鍑芥暟銆?nbsp;
絎簩縐嶆柟娉曪細(xì)妯″潡瀹氫箟鏂囦歡鏄竴涓湁鐫.def鏂囦歡鎵╁睍鍚嶇殑鏂囨湰鏂囦歡銆傚畠琚敤浜庡鍑轟竴涓狣LL鐨勫嚱鏁幫紝鍜宊_declspec(dllexport)寰堢浉浼鹼紝浣嗘槸.def鏂囦歡騫朵笉鏄疢icrosoft瀹氫箟鐨勩備竴涓?def鏂囦歡涓彧鏈変袱涓繀闇鐨勯儴鍒嗭細(xì)LIBRARY 鍜?EXPORTS銆?
LIBRARY DLLSample
DESCRIPTION "my simple DLL"
EXPORTS
TestDLL @1 錛汙1琛ㄧず榪欐槸絎竴涓鍑哄嚱鏁?br>
涓夈佺紪鍐橠llMain鍑芥暟鍜屽鍑哄嚱鏁?br> DllMain鍑芥暟鏄疍LL妯″潡鐨勯粯璁ゅ叆鍙g偣銆傚綋Windows鍔犺澆DLL妯″潡鏃惰皟鐢ㄨ繖涓鍑芥暟銆傜郴緇熼鍏堣皟鐢ㄥ叏灞瀵硅薄鐨勬瀯閫犲嚱鏁幫紝鐒跺悗璋冪敤鍏ㄥ眬鍑芥暟DLLMain銆侱LLMain鍑芥暟涓嶄粎鍦ㄥ皢DLL閾炬帴鍔犺澆鍒拌繘紼嬫椂琚皟鐢紝鍦―LL妯″潡涓庤繘紼嬪垎紱繪椂錛堜互鍙?qiáng)鍏跺畠鏃跺欙級(jí)涔熻璋冪敤銆?
#include "stdafx.h"
#define _DLL_SAMPLE
#ifndef _DLL_SAMPLE_H
#include "DLLSample.h"
#endif
#include "stdio.h"
//APIENTRY澹版槑DLL鍑芥暟鍏ュ彛鐐?/span>
BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)

{
銆switch (ul_reason_for_call)
銆
{
銆銆case DLL_PROCESS_ATTACH:
銆銆case DLL_THREAD_ATTACH:
銆銆case DLL_THREAD_DETACH:
銆銆case DLL_PROCESS_DETACH:
銆銆銆break;
銆}
銆return TRUE;
}
void TestDLL(int arg)

{
printf("DLL output arg %d\n", arg);
}
]]>
]]>