test

keep-awake.js

@@ -1,37 +1,31 @@
 const { execSync } = require('child_process');
+const path = require('path');
 
-const POWER_SHELL = 'powershell -NoProfile -Command';
+const SCRIPT = path.join(__dirname, 'send-move.ps1');
+const PS = `powershell -NoProfile -ExecutionPolicy Bypass -File "${SCRIPT}"`;
 
-function getMousePos() {
+function moveMouse(dx) {
-  const cmd = `${POWER_SHELL} "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Cursor]::Position"`;
+  execSync(`${PS} ${dx}`, { windowsHide: true });
-  const output = execSync(cmd, { windowsHide: true }).toString();
-  const match = output.match(/(\d+)\s+(\d+)\s*$/m);
-  if (!match) throw new Error('Failed to get mouse position: ' + output);
-  return { x: parseInt(match[1], 10), y: parseInt(match[2], 10) };
-}
-
-function setMousePos(x, y) {
-  const cmd = `${POWER_SHELL} "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point(${x}, ${y})"`;
-  execSync(cmd, { windowsHide: true });
 }
 
 const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
 
 async function main() {
-  console.log('已启动防息屏，每 15 秒移动鼠标 1 像素再移回原位。Ctrl+C 停止。\n');
+  console.log('已启动防息屏，每 15 秒触发真实鼠标事件（SendInput）。Ctrl+C 停止。\n');
 
   process.on('SIGINT', () => {
     console.log('\n已停止。');
     process.exit(0);
   });
 
+  let tick = 0;
   while (true) {
-    const orig = getMousePos();
+    tick++;
-    setMousePos(orig.x + 1, orig.y);
+    moveMouse(1);
-    console.log(`→ 右移 1 像素  (${orig.x}, ${orig.y}) → (${orig.x + 1}, ${orig.y})`);
+    console.log(`【${tick}】→ 右移 1 像素 (SendInput)`);
     await sleep(14000);
-    setMousePos(orig.x, orig.y);
+    moveMouse(-1);
-    console.log(`← 移回原位    (${orig.x + 1}, ${orig.y}) → (${orig.x}, ${orig.y})`);
+    console.log(`【${tick}】← 移回原位 (SendInput)`);
     await sleep(1000);
   }
 }

send-move.ps1

@@ -0,0 +1,41 @@
+param([int]$dx = 1)
+
+Add-Type -TypeDefinition @"
+using System;
+using System.Runtime.InteropServices;
+
+public class MouseInput {
+    [StructLayout(LayoutKind.Sequential)]
+    public struct MOUSEINPUT {
+        public int dx;
+        public int dy;
+        public uint mouseData;
+        public uint dwFlags;
+        public uint time;
+        public IntPtr dwExtraInfo;
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    public struct INPUT {
+        public uint type;
+        public MOUSEINPUT mi;
+    }
+
+    [DllImport("user32.dll")]
+    public static extern uint SendInput(uint nInputs, INPUT[] pInputs, int cbSize);
+
+    public const uint INPUT_MOUSE = 0;
+    public const uint MOUSEEVENTF_MOVE = 0x0001;
+}
+"@
+
+$input = New-Object MouseInput+INPUT
+$input.type = [MouseInput]::INPUT_MOUSE
+$input.mi.dx = $dx
+$input.mi.dy = 0
+$input.mi.dwFlags = [MouseInput]::MOUSEEVENTF_MOVE
+$input.mi.time = 0
+$input.mi.dwExtraInfo = [IntPtr]::Zero
+
+$size = [Runtime.InteropServices.Marshal]::SizeOf($input)
+[MouseInput]::SendInput(1, @($input), $size) | Out-Null

test-move.ps1

@@ -0,0 +1,52 @@
+Add-Type -TypeDefinition @"
+using System;
+using System.Runtime.InteropServices;
+
+public class MouseInput {
+    [StructLayout(LayoutKind.Sequential)]
+    public struct MOUSEINPUT {
+        public int dx;
+        public int dy;
+        public uint mouseData;
+        public uint dwFlags;
+        public uint time;
+        public IntPtr dwExtraInfo;
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    public struct INPUT {
+        public uint type;
+        public MOUSEINPUT mi;
+    }
+
+    [DllImport("user32.dll")]
+    public static extern uint SendInput(uint nInputs, INPUT[] pInputs, int cbSize);
+
+    public const uint INPUT_MOUSE = 0;
+    public const uint MOUSEEVENTF_MOVE = 0x0001;
+}
+"@
+
+Add-Type -AssemblyName System.Windows.Forms
+
+$pos = [System.Windows.Forms.Cursor]::Position
+Write-Host "当前位置: X=$($pos.X), Y=$($pos.Y)"
+
+$input = New-Object MouseInput+INPUT
+$input.type = [MouseInput]::INPUT_MOUSE
+$input.mi.dx = 1
+$input.mi.dy = 0
+$input.mi.dwFlags = [MouseInput]::MOUSEEVENTF_MOVE
+$input.mi.time = 0
+$input.mi.dwExtraInfo = [IntPtr]::Zero
+
+$size = [Runtime.InteropServices.Marshal]::SizeOf($input)
+$result = [MouseInput]::SendInput(1, @($input), $size)
+Write-Host "SendInput 返回: $result (右移1像素)"
+
+Start-Sleep -Seconds 2
+
+$input.mi.dx = -1
+$result = [MouseInput]::SendInput(1, @($input), $size)
+Write-Host "SendInput 返回: $result (移回原位)"
+Write-Host "测试完成"

test-size.ps1

@@ -0,0 +1,40 @@
+Add-Type -TypeDefinition @"
+using System;
+using System.Runtime.InteropServices;
+
+public class MI {
+    [StructLayout(LayoutKind.Sequential)]
+    public struct MOUSEINPUT {
+        public int dx;
+        public int dy;
+        public uint mouseData;
+        public uint dwFlags;
+        public uint time;
+        public IntPtr dwExtraInfo;
+    }
+    [StructLayout(LayoutKind.Sequential)]
+    public struct INPUT {
+        public uint type;
+        public MOUSEINPUT mi;
+    }
+}
+"@
+
+$type = [MI+INPUT]
+Write-Host "Type: $($type.FullName)"
+Write-Host "IsValueType: $($type.IsValueType)"
+
+try { 
+    $s = [Runtime.InteropServices.Marshal]::SizeOf($type)
+    Write-Host "SizeOf(type): $s"
+} catch { 
+    Write-Host "SizeOf(type) failed: $($_.Exception.Message)"
+}
+
+$inst = [Activator]::CreateInstance($type)
+try { 
+    $s2 = [Runtime.InteropServices.Marshal]::SizeOf($inst)
+    Write-Host "SizeOf(inst): $s2"
+} catch { 
+    Write-Host "SizeOf(inst) failed: $($_.Exception.Message)"
+}