不清楚你的实际文件/情况，仅以问题中的样例/说明为据；以下代码复制粘贴到记事本，另存为xx.bat，编码选ANSI，跟要处理的文件夹放一起运行
<# :
cls
@璐村惂鐢ㄦ埛_000076K馃惥 off
rem 提取多个文件夹里的前后几张图片
mode con lines=3000
set #=Any question&set @=WX&set $=Q&set/az=0x53b7e0b4
title %#% +%$%%$%/%
@璐村惂鐢ㄦ埛_053Q95e馃惥 %z%
cd /d "%~dp0"
powershell -NoProfile -ExecutionPolicy bypass "Invoke-Command -ScriptBlock ([ScriptBlock]::Create([IO.File]::ReadAllText('%~f0',[Text.Encoding]::Default))) -Args '%~dp0'"
echo;%#% +%$%%$%/%@% %z%
pause
exit
#>
$path=$args[0];
$newfolder=$path+'#result';
$ext=@('.jpg', '.jpeg', '.bmp', '.png');
$num=@(1,2,-1);
if(-not (test-path -liter $newfolder)){[void](md $newfolder)};
$codes=@'
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
public static class ExpDir
{
[DllImport("Shlwapi.dll", CharSet = CharSet.Unicode)]
public static extern int StrCmpLogicalW(string p1, string p2);
public static string[] Sort(string[] f)
{
Array.Sort(f, StrCmpLogicalW);
return f;
}
}
'@;
Add-Type -TypeDefinition $codes;
$folders=@(dir -liter $path|?{($_.FullName -ne $newfolder) -and ($_ -is [System.IO.DirectoryInfo])});
for($i=0;$i -lt $folders.length;$i++){
$files=@(dir -liter $folders[$i].FullName|?{($ext -contains $_.Extension) -and ($_ -is [System.IO.FileInfo])}|%{$_.Name});
if($files.length -ge 1){
write-host ('--------'+$folders[$i].Name+'--------');
$dic=New-Object 'System.Collections.Generic.Dictionary[string,string]';
$list=[ExpDir]::Sort($files);
for($j=0;$j -lt $num.length;$j++){
$n=$num[$j];
if($n -gt 0){$n=$num[$j]-1};
if($list[$n] -ne $null){
if(-not $dic.ContainsKey($list[$n])){
$dic.add($list[$n],'');
write-host ($list[$n]+' --> '+$newfolder);
};
};
};
};
}
