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前言

在日常工作中，我们有时需要进行一些自动化操作，比如在屏幕上找到特定图像并执行鼠标点击操作。本文将介绍如何使用 PowerShell 实现这一功能。

功能概述

本文提供的脚本包括以下功能：

读取配置文件，获取需要操作的图像路径、鼠标按键类型以及延迟时间。
截取屏幕并寻找特定图像的位置。
在找到图像后模拟鼠标点击。
根据配置文件中的延迟时间，执行下一次操作。

代码实现

1. 引入必要的程序集

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

2. 定义读取文件行的函数

function Read-FileLines {param ([string]$filePath)return Get-Content -Path $filePath
}

3. 定义加载图片的函数

function Load-Image {param ([string]$imagePath)return [System.Drawing.Image]::FromFile($imagePath)
}

4. 定义查找小图像在大图像中的位置的函数

function Find-ImagePosition {param ([System.Drawing.Bitmap]$bigImage,[System.Drawing.Bitmap]$smallImage)# 查找逻辑...return $null
}

5. 定义截取全屏的函数

function Capture-Screen {$screenWidth = [System.Windows.Forms.SystemInformation]::VirtualScreen.Width$screenHeight = [System.Windows.Forms.SystemInformation]::VirtualScreen.Height$bitmap = New-Object System.Drawing.Bitmap($screenWidth, $screenHeight)$graphics = [System.Drawing.Graphics]::FromImage($bitmap)$graphics.CopyFromScreen(0, 0, 0, 0, [System.Drawing.Size]::new($screenWidth, $screenHeight))$graphics.Dispose()return $bitmap
}

6. 定义模拟鼠标点击的函数

Add-Type @"
using System;
using System.Runtime.InteropServices;public class User32 {[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);public const int MOUSEEVENTF_MOVE = 0x0001;public const int MOUSEEVENTF_LEFTDOWN = 0x0002;public const int MOUSEEVENTF_LEFTUP = 0x0004;public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;public const int MOUSEEVENTF_RIGHTUP = 0x0010;public const int MOUSEEVENTF_ABSOLUTE = 0x8000;
}
"@
function Simulate-Click {param ([int]$x,[int]$y,[int]$button)[System.Windows.Forms.Cursor]::Position = [System.Drawing.Point]::new($x, $y)switch ($button) {1 { [User32]::mouse_event([User32]::MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0)[User32]::mouse_event([User32]::MOUSEEVENTF_LEFTUP, 0, 0, 0, 0)}2 {[User32]::mouse_event([User32]::MOUSEEVENTF_RIGHTDOWN, 0, 0, 0, 0)[User32]::mouse_event([User32]::MOUSEEVENTF_RIGHTUP, 0, 0, 0, 0)}}
}

7. 定义主函数

function Run {param ([string]$configPath)$configLines = Read-FileLines -filePath $configPathwhile(1){foreach ($line in $configLines) {$parts = $line -split ' '$imagePath = $parts[0]$button = [int]$parts[1]$delay = [int]$parts[2]$smallImage = Load-Image -imagePath $imagePathwhile(1){$bigImage = Capture-Screen$position = Find-ImagePosition -bigImage $bigImage -smallImage $smallImageif ($position -ne $null) {Write-Output "Click Position $position"Simulate-Click -x $position.X -y $position.Y -button $buttonbreak} else {Write-Output "Not Find $imagePath"Start-Sleep -Milliseconds 500}}Start-Sleep -Seconds $delayWrite-Output "Time-Sleep $delay"}}
}
Run -configPath "./conf.dd"

配置文件示例

image1.png 1 5
image2.png 2 3

配置文件中，每一行代表一组操作，依次为图像路径、鼠标按键（1为左键，2为右键）和延迟时间（秒）。

运行脚本

# 如果遇到执行权限问题，请运行以下命令解除限制
Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope Process# 执行脚本
Run -configPath "./conf.dd"

结语

通过以上脚本，我们可以实现自动化图像识别与鼠标点击操作，大大提高了工作效率。希望本文对您有所帮助。如果您有任何问题或建议，欢迎留言讨论。

全部代码

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing# 读取指定位置的文件，返回按行分割的string列表
function Read-FileLines {param ([string]$filePath)return Get-Content -Path $filePath
}# 读取指定位置的图片，返回图片的指针
function Load-Image {param ([string]$imagePath)return [System.Drawing.Image]::FromFile($imagePath)
}# 查找小图片在大图片中的位置，返回小图片在大图片中的位置（中心点）
function Find-ImagePosition {param ([System.Drawing.Bitmap]$bigImage,[System.Drawing.Bitmap]$smallImage)$bigData = $bigImage.LockBits([System.Drawing.Rectangle]::FromLTRB(0, 0, $bigImage.Width, $bigImage.Height), [System.Drawing.Imaging.ImageLockMode]::ReadOnly, $bigImage.PixelFormat)$smallData = $smallImage.LockBits([System.Drawing.Rectangle]::FromLTRB(0, 0, $smallImage.Width, $smallImage.Height), [System.Drawing.Imaging.ImageLockMode]::ReadOnly, $smallImage.PixelFormat)try {for ($x = 0; $x -le $bigData.Width - $smallData.Width; $x++) {for ($y = 0; $y -le $bigData.Height - $smallData.Height; $y++) {$found = $truefor ($i = 0; $i -lt $smallData.Width; $i++) {for ($j = 0; $j -lt $smallData.Height; $j++) {$bigColor = [System.Drawing.Color]::FromArgb([System.Runtime.InteropServices.Marshal]::ReadInt32($bigData.Scan0, (($y + $j) * $bigData.Stride) + ($x + $i) * 4))$smallColor = [System.Drawing.Color]::FromArgb([System.Runtime.InteropServices.Marshal]::ReadInt32($smallData.Scan0, ($j * $smallData.Stride) + $i * 4))if ($bigColor.ToArgb() -ne $smallColor.ToArgb()) {$found = $falsebreak}}if (-not $found) { break }}if ($found) {return [System.Drawing.Point]::new($x + [math]::Round($smallData.Width / 2), $y + [math]::Round($smallData.Height / 2))}}}} finally {$bigImage.UnlockBits($bigData)$smallImage.UnlockBits($smallData)}return $null
}# 截取全屏，返回指针
function Capture-Screen {$screenWidth = [System.Windows.Forms.SystemInformation]::VirtualScreen.Width$screenHeight = [System.Windows.Forms.SystemInformation]::VirtualScreen.Height$bitmap = New-Object System.Drawing.Bitmap($screenWidth, $screenHeight)$graphics = [System.Drawing.Graphics]::FromImage($bitmap)$graphics.CopyFromScreen(0, 0, 0, 0, [System.Drawing.Size]::new($screenWidth, $screenHeight))$graphics.Dispose()return $bitmap
}# 模拟鼠标点击移动，传入x，y
Add-Type @"
using System;
using System.Runtime.InteropServices;public class User32 {[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);public const int MOUSEEVENTF_MOVE = 0x0001;public const int MOUSEEVENTF_LEFTDOWN = 0x0002;public const int MOUSEEVENTF_LEFTUP = 0x0004;public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;public const int MOUSEEVENTF_RIGHTUP = 0x0010;public const int MOUSEEVENTF_ABSOLUTE = 0x8000;
}
"@function Simulate-Click {param ([int]$x,[int]$y,[int]$button)[System.Windows.Forms.Cursor]::Position = [System.Drawing.Point]::new($x, $y)switch ($button) {1 { # 左键[User32]::mouse_event([User32]::MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0)[User32]::mouse_event([User32]::MOUSEEVENTF_LEFTUP, 0, 0, 0, 0)}2 { # 右键[User32]::mouse_event([User32]::MOUSEEVENTF_RIGHTDOWN, 0, 0, 0, 0)[User32]::mouse_event([User32]::MOUSEEVENTF_RIGHTUP, 0, 0, 0, 0)}}
}# 主函数
function Run {param ([string]$configPath)$configLines = Read-FileLines -filePath $configPathwhile(1){foreach ($line in $configLines) {$parts = $line -split ' '$imagePath = $parts[0]$button = [int]$parts[1]$delay = [int]$parts[2]$smallImage = Load-Image -imagePath $imagePathwhile(1){$bigImage = Capture-Screen$position = Find-ImagePosition -bigImage $bigImage -smallImage $smallImageif ($position -ne $null) {Write-Output "Click Position $position"Simulate-Click -x $position.X -y $position.Y -button $buttonbreak} else {Write-Output "Not Find $imagePath"Start-Sleep -Milliseconds 500}}Start-Sleep -Seconds $delayWrite-Output "Time-Sleep $delay"}}}Run -configPath ”./conf.dd“
# Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope Process
# 示例使用

提示

打包exe

Install-Module -Name ps2exe -Scope CurrentUser
Invoke-ps2exe -InputFile .\run.ps1 -OutputFile .\run.exe

下载地址

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