{"id":315,"date":"2026-04-10T22:50:20","date_gmt":"2026-04-10T14:50:20","guid":{"rendered":"https:\/\/www.resilence.cn\/?p=315"},"modified":"2026-04-10T22:50:20","modified_gmt":"2026-04-10T14:50:20","slug":"day-2-powershell%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.resilence.cn\/?p=315","title":{"rendered":"Day-2-PowerShell\u57fa\u672c\u8bed\u6cd5"},"content":{"rendered":"<h1>Day 2: PowerShell\u57fa\u672c\u8bed\u6cd5<\/h1>\n<h2>\ud83c\udfaf \u5b66\u4e60\u76ee\u6807<\/h2>\n<ul>\n<li>\u7406\u89e3 PowerShell \u7684\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784<\/li>\n<li>\u638c\u63e1\u547d\u4ee4\u7684\u7ec4\u6210\u8981\u7d20<\/li>\n<li>\u5b66\u4f1a\u4f7f\u7528 cmdlet\uff08\u547d\u4ee4let\uff09<\/li>\n<li>\u7406\u89e3\u53c2\u6570\u548c\u53c2\u6570\u503c\u7684\u6982\u5ff5<\/li>\n<li>\u638c\u63e1\u7ba1\u9053\uff08Pipeline\uff09\u7684\u4f7f\u7528<\/li>\n<li>\u5b66\u4f1a\u57fa\u672c\u7684\u8f93\u51fa\u548c\u8f93\u5165\u64cd\u4f5c<\/li>\n<\/ul>\n<h2>\ud83d\udca1 \u6838\u5fc3\u6982\u5ff5<\/h2>\n<h3>1. PowerShell \u547d\u4ee4\u7684\u7ed3\u6784<\/h3>\n<p>PowerShell \u7684\u547d\u4ee4\u9075\u5faa\u4e00\u4e2a\u7edf\u4e00\u7684\u547d\u540d\u89c4\u8303\uff0c\u79f0\u4e3a <strong>cmdlet<\/strong>\uff08\u8bfb\u4f5c&quot;command-let&quot;\uff09\u3002\u7406\u89e3 cmdlet \u7684\u7ed3\u6784\u662f\u638c\u63e1 PowerShell \u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h4>1.1 Cmdlet \u547d\u540d\u89c4\u8303<\/h4>\n<p>\u6240\u6709 PowerShell cmdlet \u90fd\u9075\u5faa <strong>\u52a8\u8bcd-\u540d\u8bcd<\/strong> \u7684\u547d\u540d\u683c\u5f0f\uff1a<\/p>\n<pre><code>\u52a8\u8bcd-\u540d\u8bcd\n<\/code><\/pre>\n<p><strong>\u793a\u4f8b<\/strong>\uff1a<\/p>\n<ul>\n<li><code>Get-Process<\/code>\uff08\u83b7\u53d6\u8fdb\u7a0b\uff09<\/li>\n<li><code>Stop-Service<\/code>\uff08\u505c\u6b62\u670d\u52a1\uff09<\/li>\n<li><code>New-Item<\/code>\uff08\u65b0\u5efa\u9879\u76ee\uff09<\/li>\n<li><code>Remove-File<\/code>\uff08\u5220\u9664\u6587\u4ef6\uff09<\/li>\n<\/ul>\n<p><strong>\u5e38\u7528\u52a8\u8bcd<\/strong>\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u52a8\u8bcd<\/th>\n<th>\u542b\u4e49<\/th>\n<th>\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Get<\/td>\n<td>\u83b7\u53d6\/\u67e5\u8be2<\/td>\n<td>Get-Process, Get-Service<\/td>\n<\/tr>\n<tr>\n<td>Set<\/td>\n<td>\u8bbe\u7f6e\/\u4fee\u6539<\/td>\n<td>Set-Location, Set-Variable<\/td>\n<\/tr>\n<tr>\n<td>New<\/td>\n<td>\u65b0\u5efa\/\u521b\u5efa<\/td>\n<td>New-Item, New-Directory<\/td>\n<\/tr>\n<tr>\n<td>Remove<\/td>\n<td>\u5220\u9664<\/td>\n<td>Remove-Item, Remove-Variable<\/td>\n<\/tr>\n<tr>\n<td>Start<\/td>\n<td>\u542f\u52a8<\/td>\n<td>Start-Service, Start-Process<\/td>\n<\/tr>\n<tr>\n<td>Stop<\/td>\n<td>\u505c\u6b62<\/td>\n<td>Stop-Service, Stop-Process<\/td>\n<\/tr>\n<tr>\n<td>Test<\/td>\n<td>\u6d4b\u8bd5\/\u68c0\u67e5<\/td>\n<td>Test-Path, Test-Connection<\/td>\n<\/tr>\n<tr>\n<td>Export<\/td>\n<td>\u5bfc\u51fa<\/td>\n<td>Export-Csv, Export-Excel<\/td>\n<\/tr>\n<tr>\n<td>Import<\/td>\n<td>\u5bfc\u5165<\/td>\n<td>Import-Csv, Import-Module<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u540d\u8bcd<\/strong>\u901a\u5e38\u8868\u793a\u64cd\u4f5c\u7684\u5bf9\u8c61\uff0c\u5982 Process\uff08\u8fdb\u7a0b\uff09\u3001Service\uff08\u670d\u52a1\uff09\u3001File\uff08\u6587\u4ef6\uff09\u7b49\u3002<\/p>\n<hr>\n<h3>2. \u547d\u4ee4\u7684\u57fa\u672c\u683c\u5f0f<\/h3>\n<p>\u5b8c\u6574\u7684 PowerShell \u547d\u4ee4\u7531\u4ee5\u4e0b\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n<pre><code>Cmdlet\u540d\u79f0 -\u53c2\u6570\u540d \u53c2\u6570\u503c -\u53c2\u6570\u540d \u53c2\u6570\u503c ...\n<\/code><\/pre>\n<p><strong>\u793a\u4f8b<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u83b7\u53d6\u540d\u4e3a&quot;chrome&quot;\u7684\u8fdb\u7a0b\nGet-Process -Name &quot;chrome&quot;\n\n# \u5728\u5f53\u524d\u76ee\u5f55\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939\nNew-Item -Path &quot;.\\\u65b0\u6587\u4ef6\u5939&quot; -ItemType &quot;Directory&quot;\n\n# \u505c\u6b62\u540d\u4e3a&quot;Spooler&quot;\u7684\u670d\u52a1\nStop-Service -Name &quot;Spooler&quot;\n<\/code><\/pre>\n<p><strong>\u683c\u5f0f\u8bf4\u660e<\/strong>\uff1a<\/p>\n<ul>\n<li>Cmdlet \u540d\u79f0\u548c\u53c2\u6570\u540d\u4e4b\u95f4\u7528\u7a7a\u683c\u5206\u9694<\/li>\n<li>\u53c2\u6570\u540d\u524d\u5fc5\u987b\u52a0 <code>-<\/code>\uff08\u51cf\u53f7\uff09<\/li>\n<li>\u53c2\u6570\u503c\u7d27\u8ddf\u5728\u53c2\u6570\u540d\u540e\u9762\uff0c\u7528\u7a7a\u683c\u5206\u9694<\/li>\n<li>\u5982\u679c\u53c2\u6570\u503c\u5305\u542b\u7a7a\u683c\uff0c\u9700\u8981\u7528\u5f15\u53f7\u62ec\u8d77\u6765<\/li>\n<\/ul>\n<hr>\n<h3>3. \u53c2\u6570\uff08Parameters\uff09<\/h3>\n<p>\u53c2\u6570\u662f\u7528\u6765\u5411\u547d\u4ee4\u4f20\u9012\u989d\u5916\u4fe1\u606f\u7684\u65b9\u5f0f\u3002PowerShell \u7684\u53c2\u6570\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<h4>3.1 \u53c2\u6570\u7c7b\u578b<\/h4>\n<p><strong>\u4f4d\u7f6e\u53c2\u6570<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u4ee5\u4e0b\u4e24\u4e2a\u547d\u4ee4\u7b49\u6548\nGet-Process -Name &quot;chrome&quot;\nGet-Process &quot;chrome&quot;  # Name \u662f\u4f4d\u7f6e\u53c2\u6570\uff0c\u53ef\u4ee5\u7701\u7565\u53c2\u6570\u540d\n<\/code><\/pre>\n<p><strong>\u547d\u540d\u53c2\u6570<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u5fc5\u987b\u6307\u5b9a\u53c2\u6570\u540d\nNew-Item -Path &quot;C:\\Test&quot; -ItemType &quot;Directory&quot;\n<\/code><\/pre>\n<p><strong>\u5f00\u5173\u53c2\u6570\uff08Switch Parameters\uff09<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u4e0d\u9700\u8981\u53c2\u6570\u503c\uff0c\u8868\u793a\u5f00\u542f\u6216\u5173\u95ed\u67d0\u4e2a\u529f\u80fd\nGet-ChildItem -Recurse  # \u9012\u5f52\u5217\u51fa\u6240\u6709\u5b50\u76ee\u5f55\nGet-Process -Name &quot;chrome&quot; -ComputerName &quot;Server01&quot;\n<\/code><\/pre>\n<p><strong>\u5e38\u7528\u53c2\u6570<\/strong>\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u8bf4\u660e<\/th>\n<th>\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>-Name<\/td>\n<td>\u6307\u5b9a\u540d\u79f0<\/td>\n<td>Get-Process -Name &quot;chrome&quot;<\/td>\n<\/tr>\n<tr>\n<td>-Path<\/td>\n<td>\u6307\u5b9a\u8def\u5f84<\/td>\n<td>New-Item -Path &quot;C:\\Test&quot;<\/td>\n<\/tr>\n<tr>\n<td>-Value<\/td>\n<td>\u6307\u5b9a\u503c<\/td>\n<td>Set-Variable -Name &quot;x&quot; -Value 10<\/td>\n<\/tr>\n<tr>\n<td>-Force<\/td>\n<td>\u5f3a\u5236\u6267\u884c<\/td>\n<td>Remove-Item -Path &quot;C:\\Test&quot; -Force<\/td>\n<\/tr>\n<tr>\n<td>-Recurse<\/td>\n<td>\u9012\u5f52\u64cd\u4f5c<\/td>\n<td>Get-ChildItem -Recurse<\/td>\n<\/tr>\n<tr>\n<td>-Verbose<\/td>\n<td>\u663e\u793a\u8be6\u7ec6\u4fe1\u606f<\/td>\n<td>Get-Process -Verbose<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h3>4. \u5f15\u53f7\u7684\u4f7f\u7528<\/h3>\n<p>\u5728 PowerShell \u4e2d\uff0c\u5f15\u53f7\u7528\u4e8e\u5904\u7406\u5305\u542b\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\u7684\u6587\u672c\u3002<\/p>\n<h4>4.1 \u5355\u5f15\u53f7 vs \u53cc\u5f15\u53f7<\/h4>\n<p><strong>\u5355\u5f15\u53f7 <code>'<\/code><\/strong>\uff1a\u5b57\u9762\u5b57\u7b26\u4e32\uff08\u4e0d\u89e3\u6790\u53d8\u91cf\uff09<\/p>\n<pre><code class=\"language-powershell\">$name = &quot;\u5f20\u4e09&quot;\nWrite-Output '\u6211\u7684\u540d\u5b57\u662f $name'  # \u8f93\u51fa\uff1a\u6211\u7684\u540d\u5b57\u662f $name\n<\/code><\/pre>\n<p><strong>\u53cc\u5f15\u53f7 <code>&quot;<\/code><\/strong>\uff1a\u53ef\u6269\u5c55\u5b57\u7b26\u4e32\uff08\u89e3\u6790\u53d8\u91cf\uff09<\/p>\n<pre><code class=\"language-powershell\">$name = &quot;\u5f20\u4e09&quot;\nWrite-Output &quot;\u6211\u7684\u540d\u5b57\u662f $name&quot;  # \u8f93\u51fa\uff1a\u6211\u7684\u540d\u5b57\u662f \u5f20\u4e09\n<\/code><\/pre>\n<p><strong>\u4f55\u65f6\u4f7f\u7528\u5f15\u53f7<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u2705 \u9700\u8981\u5f15\u53f7\uff1a\u53c2\u6570\u503c\u5305\u542b\u7a7a\u683c\nNew-Item -Path &quot;C:\\Program Files\\Test&quot;\n\n# \u2705 \u9700\u8981\u5f15\u53f7\uff1a\u53c2\u6570\u503c\u662f\u6587\u672c\u5b57\u7b26\u4e32\nWrite-Output &quot;Hello World&quot;\n\n# \u274c \u4e0d\u9700\u8981\u5f15\u53f7\uff1a\u53c2\u6570\u503c\u662f\u5355\u4e2a\u5355\u8bcd\nGet-Process -Name chrome\n\n# \u274c \u4e0d\u9700\u8981\u5f15\u53f7\uff1a\u53c2\u6570\u503c\u662f\u6570\u5b57\nSet-Variable -Name x -Value 10\n<\/code><\/pre>\n<hr>\n<h3>5. \u7ba1\u9053\uff08Pipeline\uff09<\/h3>\n<p>\u7ba1\u9053\u662f PowerShell \u6700\u5f3a\u5927\u7684\u7279\u6027\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u4f60\u5c06\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa\u4f20\u9012\u7ed9\u4e0b\u4e00\u4e2a\u547d\u4ee4\u4f5c\u4e3a\u8f93\u5165\u3002<\/p>\n<h4>5.1 \u7ba1\u9053\u7b26\u53f7 <code>|<\/code><\/h4>\n<p><strong>\u57fa\u672c\u8bed\u6cd5<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\">\u547d\u4ee41 | \u547d\u4ee42\n<\/code><\/pre>\n<p><strong>\u5de5\u4f5c\u539f\u7406<\/strong>\uff1a<\/p>\n<ol>\n<li>\u547d\u4ee41 \u6267\u884c\u5e76\u4ea7\u751f\u8f93\u51fa<\/li>\n<li>\u8f93\u51fa\u901a\u8fc7\u7ba1\u9053\u4f20\u9012\u7ed9\u547d\u4ee42<\/li>\n<li>\u547d\u4ee42 \u4f7f\u7528\u547d\u4ee41\u7684\u8f93\u51fa\u4f5c\u4e3a\u8f93\u5165<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u83b7\u53d6\u6240\u6709\u8fdb\u7a0b\uff0c\u7136\u540e\u7b5b\u9009\u51fa\u540d\u79f0\u5305\u542b&quot;chrome&quot;\u7684\u8fdb\u7a0b\nGet-Process | Where-Object { $_.Name -like &quot;*chrome*&quot; }\n\n# \u83b7\u53d6\u6240\u6709\u670d\u52a1\uff0c\u7136\u540e\u53ea\u663e\u793a\u8fd0\u884c\u4e2d\u7684\u670d\u52a1\nGet-Service | Where-Object { $_.Status -eq &quot;Running&quot; }\n\n# \u83b7\u53d6\u5f53\u524d\u76ee\u5f55\u7684\u6587\u4ef6\uff0c\u7136\u540e\u6309\u6587\u4ef6\u5927\u5c0f\u6392\u5e8f\nGet-ChildItem | Sort-Object Length -Descending\n\n# \u83b7\u53d6\u8fdb\u7a0b\u5217\u8868\uff0c\u7136\u540e\u9009\u62e9\u524d10\u4e2a\nGet-Process | Select-Object -First 10\n<\/code><\/pre>\n<p><strong>\u7ba1\u9053\u7684\u4f18\u52bf<\/strong>\uff1a<\/p>\n<ul>\n<li>\u5c06\u590d\u6742\u4efb\u52a1\u5206\u89e3\u4e3a\u7b80\u5355\u6b65\u9aa4<\/li>\n<li>\u63d0\u9ad8\u547d\u4ee4\u7684\u53ef\u8bfb\u6027<\/li>\n<li>\u51cf\u5c11\u4e2d\u95f4\u53d8\u91cf\u7684\u4f7f\u7528<\/li>\n<li>\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027<\/li>\n<\/ul>\n<hr>\n<h3>6. \u5bf9\u8c61\uff08Objects\uff09<\/h3>\n<p>PowerShell \u4e0e\u4f20\u7edf\u7684\u547d\u4ee4\u884c\u5de5\u5177\u4e0d\u540c\uff0c\u5b83\u5904\u7406\u7684\u662f<strong>\u5bf9\u8c61<\/strong>\u800c\u4e0d\u662f\u7eaf\u6587\u672c\u3002<\/p>\n<h4>6.1 \u5bf9\u8c61\u7684\u6982\u5ff5<\/h4>\n<p>\u6bcf\u4e2a PowerShell \u547d\u4ee4\u7684\u8f93\u51fa\u90fd\u662f\u5bf9\u8c61\uff0c\u5bf9\u8c61\u5177\u6709\uff1a<\/p>\n<ul>\n<li><strong>\u5c5e\u6027\uff08Properties\uff09<\/strong>\uff1a\u5b58\u50a8\u6570\u636e<\/li>\n<li><strong>\u65b9\u6cd5\uff08Methods\uff09<\/strong>\uff1a\u6267\u884c\u64cd\u4f5c<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u83b7\u53d6\u8fdb\u7a0b\u5bf9\u8c61\n$process = Get-Process -Name &quot;chrome&quot;\n\n# \u8bbf\u95ee\u5c5e\u6027\n$process.Id        # \u8fdb\u7a0bID\n$process.Name      # \u8fdb\u7a0b\u540d\u79f0\n$process.CPU       # CPU\u4f7f\u7528\u65f6\u95f4\n$process.WorkingSet64  # \u5185\u5b58\u4f7f\u7528\u91cf\n\n# \u8c03\u7528\u65b9\u6cd5\n$process.Kill()    # \u7ec8\u6b62\u8fdb\u7a0b\n$process.Refresh() # \u5237\u65b0\u8fdb\u7a0b\u4fe1\u606f\n<\/code><\/pre>\n<h4>6.2 \u67e5\u770b\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5<\/h4>\n<pre><code class=\"language-powershell\"># \u67e5\u770b\u8fdb\u7a0b\u5bf9\u8c61\u7684\u6240\u6709\u6210\u5458\nGet-Process | Get-Member\n\n# \u53ea\u67e5\u770b\u5c5e\u6027\nGet-Process | Get-Member -MemberType Properties\n\n# \u53ea\u67e5\u770b\u65b9\u6cd5\nGet-Process | Get-Member -MemberType Methods\n<\/code><\/pre>\n<hr>\n<h3>7. \u53d8\u91cf\uff08Variables\uff09<\/h3>\n<p>\u53d8\u91cf\u7528\u4e8e\u5b58\u50a8\u6570\u636e\uff0c\u4ee5\u4fbf\u5728\u811a\u672c\u4e2d\u91cd\u590d\u4f7f\u7528\u3002<\/p>\n<h4>7.1 \u53d8\u91cf\u7684\u547d\u540d\u548c\u8d4b\u503c<\/h4>\n<p><strong>\u53d8\u91cf\u540d\u89c4\u5219<\/strong>\uff1a<\/p>\n<ul>\n<li>\u5fc5\u987b\u4ee5 <code>$<\/code> \u7b26\u53f7\u5f00\u5934<\/li>\n<li>\u53ef\u4ee5\u5305\u542b\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf<\/li>\n<li>\u533a\u5206\u5927\u5c0f\u5199<\/li>\n<li>\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u8d4b\u503c\n$name = &quot;\u5f20\u4e09&quot;\n$age = 30\n$isStudent = $false\n\n# \u4f7f\u7528\u53d8\u91cf\nWrite-Output &quot;\u6211\u7684\u540d\u5b57\u662f $name\uff0c\u4eca\u5e74 $age \u5c81&quot;\n<\/code><\/pre>\n<h4>7.2 \u5e38\u7528\u53d8\u91cf\u64cd\u4f5c<\/h4>\n<pre><code class=\"language-powershell\"># \u67e5\u770b\u53d8\u91cf\u503c\n$name\n\n# \u5220\u9664\u53d8\u91cf\nRemove-Variable name\n\n# \u67e5\u770b\u6240\u6709\u53d8\u91cf\nGet-Variable\n\n# \u67e5\u770b\u7279\u5b9a\u53d8\u91cf\nGet-Variable -Name name\n<\/code><\/pre>\n<hr>\n<h3>8. \u8f93\u51fa\u547d\u4ee4<\/h3>\n<p>PowerShell \u63d0\u4f9b\u4e86\u591a\u4e2a\u8f93\u51fa\u547d\u4ee4\uff0c\u7528\u4e8e\u5728\u63a7\u5236\u53f0\u663e\u793a\u4fe1\u606f\u3002<\/p>\n<h4>8.1 Write-Output<\/h4>\n<pre><code class=\"language-powershell\"># \u8f93\u51fa\u6587\u672c\nWrite-Output &quot;Hello World&quot;\n\n# \u8f93\u51fa\u53d8\u91cf\n$name = &quot;\u5f20\u4e09&quot;\nWrite-Output $name\n\n# \u8f93\u51fa\u8868\u8fbe\u5f0f\nWrite-Output (1 + 1)\n<\/code><\/pre>\n<h4>8.2 Write-Host<\/h4>\n<pre><code class=\"language-powershell\"># \u8f93\u51fa\u5e26\u989c\u8272\u7684\u6587\u672c\nWrite-Host &quot;\u9519\u8bef\u4fe1\u606f&quot; -ForegroundColor Red\nWrite-Host &quot;\u6210\u529f\u4fe1\u606f&quot; -ForegroundColor Green\nWrite-Host &quot;\u8b66\u544a\u4fe1\u606f&quot; -ForegroundColor Yellow\n\n# \u8f93\u51fa\u5230\u4e3b\u673a\u7684\u6587\u672c\u4e0d\u4f1a\u88ab\u7ba1\u9053\u4f20\u9012\nWrite-Host &quot;\u8fd9\u6761\u4fe1\u606f\u4e0d\u4f1a\u88ab\u7ba1\u9053\u4f20\u9012&quot;\n<\/code><\/pre>\n<h4>8.3 \u8f93\u51fa\u91cd\u5b9a\u5411<\/h4>\n<pre><code class=\"language-powershell\"># \u8f93\u51fa\u5230\u6587\u4ef6\nGet-Process &gt; process.txt\n\n# \u8ffd\u52a0\u5230\u6587\u4ef6\nGet-Process &gt;&gt; process.txt\n\n# \u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\nGet-Process -Name &quot;nonexistent&quot; 2&gt; error.txt\n<\/code><\/pre>\n<hr>\n<h2>\ud83c\udfae \u5b9e\u6218\u793a\u4f8b<\/h2>\n<h3>\u793a\u4f8b 1: \u67e5\u8be2\u548c\u7ba1\u7406\u8fdb\u7a0b<\/h3>\n<pre><code class=\"language-powershell\"># 1. \u83b7\u53d6\u6240\u6709\u8fdb\u7a0b\nGet-Process\n\n# 2. \u83b7\u53d6\u7279\u5b9a\u8fdb\u7a0b\nGet-Process -Name &quot;chrome&quot;\n\n# 3. \u7b5b\u9009 CPU \u4f7f\u7528\u7387\u9ad8\u7684\u8fdb\u7a0b\nGet-Process | Where-Object { $_.CPU -gt 10 }\n\n# 4. \u6309\u5185\u5b58\u4f7f\u7528\u91cf\u6392\u5e8f\uff0c\u663e\u793a\u524d10\u4e2a\nGet-Process | Sort-Object WorkingSet64 -Descending | Select-Object -First 10\n\n# 5. \u505c\u6b62\u7279\u5b9a\u8fdb\u7a0b\nStop-Process -Name &quot;notepad&quot; -Force\n<\/code><\/pre>\n<h3>\u793a\u4f8b 2: \u6587\u4ef6\u548c\u6587\u4ef6\u5939\u64cd\u4f5c<\/h3>\n<pre><code class=\"language-powershell\"># 1. \u67e5\u770b\u5f53\u524d\u76ee\u5f55\u7684\u5185\u5bb9\nGet-ChildItem\n\n# 2. \u9012\u5f52\u5217\u51fa\u6240\u6709\u6587\u4ef6\u548c\u5b50\u76ee\u5f55\nGet-ChildItem -Recurse\n\n# 3. \u53ea\u5217\u51fa\u6587\u4ef6\nGet-ChildItem -File\n\n# 4. \u53ea\u5217\u51fa\u76ee\u5f55\nGet-ChildItem -Directory\n\n# 5. \u67e5\u627e\u7279\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6\nGet-ChildItem -Filter &quot;*.txt&quot;\n\n# 6. \u65b0\u5efa\u6587\u4ef6\u5939\nNew-Item -Path &quot;.\\\u65b0\u6587\u4ef6\u5939&quot; -ItemType &quot;Directory&quot;\n\n# 7. \u65b0\u5efa\u6587\u4ef6\nNew-Item -Path &quot;.\\\u65b0\u6587\u4ef6\u5939\\test.txt&quot; -ItemType &quot;File&quot;\n\n# 8. \u5220\u9664\u6587\u4ef6\nRemove-Item -Path &quot;.\\\u65b0\u6587\u4ef6\u5939\\test.txt&quot;\n<\/code><\/pre>\n<h3>\u793a\u4f8b 3: \u670d\u52a1\u7ba1\u7406<\/h3>\n<pre><code class=\"language-powershell\"># 1. \u67e5\u770b\u6240\u6709\u670d\u52a1\nGet-Service\n\n# 2. \u67e5\u770b\u8fd0\u884c\u4e2d\u7684\u670d\u52a1\nGet-Service | Where-Object { $_.Status -eq &quot;Running&quot; }\n\n# 3. \u542f\u52a8\u670d\u52a1\nStart-Service -Name &quot;Spooler&quot;\n\n# 4. \u505c\u6b62\u670d\u52a1\nStop-Service -Name &quot;Spooler&quot;\n\n# 5. \u91cd\u542f\u670d\u52a1\nRestart-Service -Name &quot;Spooler&quot;\n<\/code><\/pre>\n<h3>\u793a\u4f8b 4: \u7ec4\u5408\u547d\u4ee4\uff08\u7ba1\u9053\u5b9e\u6218\uff09<\/h3>\n<pre><code class=\"language-powershell\"># \u4efb\u52a11\uff1a\u627e\u51fa\u5185\u5b58\u5360\u7528\u8d85\u8fc7100MB\u7684\u8fdb\u7a0b\nGet-Process | Where-Object { $_.WorkingSet64 -gt 100MB }\n\n# \u4efb\u52a12\uff1a\u67e5\u770b\u6240\u6709\u5df2\u505c\u6b62\u7684\u670d\u52a1\nGet-Service | Where-Object { $_.Status -eq &quot;Stopped&quot; }\n\n# \u4efb\u52a13\uff1a\u67e5\u627e\u5927\u6587\u4ef6\uff08\u8d85\u8fc710MB\uff09\nGet-ChildItem -Recurse -File | Where-Object { $_.Length -gt 10MB }\n\n# \u4efb\u52a14\uff1a\u7edf\u8ba1\u5f53\u524d\u76ee\u5f55\u4e0b\u5404\u7c7b\u578b\u6587\u4ef6\u7684\u6570\u91cf\nGet-ChildItem -File | Group-Object Extension\n\n# \u4efb\u52a15\uff1a\u67e5\u627e7\u5929\u5185\u4fee\u6539\u8fc7\u7684\u6587\u4ef6\nGet-ChildItem -Recurse -File | Where-Object { $_.LastWriteTime -gt (Get-Date).AddDays(-7) }\n<\/code><\/pre>\n<hr>\n<h2>\u26a0\ufe0f \u91cd\u8981\u6ce8\u610f\u4e8b\u9879<\/h2>\n<h3>1. \u5927\u5c0f\u5199\u654f\u611f\u6027<\/h3>\n<p>PowerShell <strong>\u4e0d\u533a\u5206\u5927\u5c0f\u5199<\/strong>\uff0c\u4f46\u5efa\u8bae\u4fdd\u6301\u4e00\u81f4\u6027\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u4ee5\u4e0b\u547d\u4ee4\u7b49\u6548\nGET-PROCESS\nGet-Process\nget-process\n\n# \u5efa\u8bae\u4f7f\u7528 Pascal Case\uff08\u9996\u5b57\u6bcd\u5927\u5199\uff09\nGet-Process  # \u2705 \u63a8\u8350\n<\/code><\/pre>\n<h3>2. \u547d\u4ee4\u7684\u5206\u53f7<\/h3>\n<p>PowerShell \u4e0d\u9700\u8981\u4f7f\u7528\u5206\u53f7 <code>;<\/code> \u6765\u7ed3\u675f\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u274c \u4e0d\u9700\u8981\u5206\u53f7\nGet-Process;\n\n# \u2705 \u63a8\u8350\nGet-Process\n<\/code><\/pre>\n<p>\u4f46\u5982\u679c\u5728\u4e00\u884c\u4e2d\u5199\u591a\u4e2a\u547d\u4ee4\uff0c\u9700\u8981\u7528\u5206\u53f7\u5206\u9694\uff1a<\/p>\n<pre><code class=\"language-powershell\">Get-Process; Get-Service  # \u4e00\u884c\u6267\u884c\u4e24\u4e2a\u547d\u4ee4\n<\/code><\/pre>\n<h3>3. \u6ce8\u91ca<\/h3>\n<p><strong>\u5355\u884c\u6ce8\u91ca<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\"># \u8fd9\u662f\u5355\u884c\u6ce8\u91ca\nGet-Process  # \u8fd9\u4e5f\u662f\u6ce8\u91ca\n<\/code><\/pre>\n<p><strong>\u591a\u884c\u6ce8\u91ca<\/strong>\uff1a<\/p>\n<pre><code class=\"language-powershell\">&lt;#\n\u8fd9\u662f\u591a\u884c\u6ce8\u91ca\n\u53ef\u4ee5\u8de8\u8d8a\u591a\u884c\n#&gt;\n<\/code><\/pre>\n<h3>4. \u547d\u4ee4\u7eed\u884c<\/h3>\n<p>\u5982\u679c\u547d\u4ee4\u592a\u957f\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cd\u5f15\u53f7 <code>`<\/code> \u6765\u7eed\u884c\uff1a<\/p>\n<pre><code class=\"language-powershell\">Get-Process | Where-Object { $_.CPU -gt 10 } `\n    | Sort-Object CPU -Descending `\n    | Select-Object -First 10\n<\/code><\/pre>\n<h3>5. \u9519\u8bef\u5904\u7406<\/h3>\n<pre><code class=\"language-powershell\"># \u4f7f\u7528 -ErrorAction \u53c2\u6570\u63a7\u5236\u9519\u8bef\u884c\u4e3a\nGet-Process -Name &quot;nonexistent&quot; -ErrorAction SilentlyContinue  # \u9759\u9ed8\u7ee7\u7eed\nGet-Process -Name &quot;nonexistent&quot; -ErrorAction Stop  # \u9047\u5230\u9519\u8bef\u505c\u6b62\nGet-Process -Name &quot;nonexistent&quot; -ErrorAction Ignore  # \u5ffd\u7565\u9519\u8bef\n<\/code><\/pre>\n<hr>\n<h2>\u270d\ufe0f \u7ec3\u4e60\u4efb\u52a1<\/h2>\n<h3>\u57fa\u7840\u7ec3\u4e60<\/h3>\n<ol>\n<li>\n<p><strong>\u547d\u4ee4\u7ed3\u6784\u7ec3\u4e60<\/strong><\/p>\n<ul>\n<li>\u67e5\u770b\u6240\u6709\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b<\/li>\n<li>\u67e5\u770b\u6240\u6709\u670d\u52a1\u7684\u72b6\u6001<\/li>\n<li>\u5217\u51fa\u5f53\u524d\u76ee\u5f55\u7684\u6240\u6709\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u53c2\u6570\u7ec3\u4e60<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 <code>Get-Process<\/code> \u83b7\u53d6\u540d\u4e3a &quot;notepad&quot; \u7684\u8fdb\u7a0b<\/li>\n<li>\u4f7f\u7528 <code>New-Item<\/code> \u5728\u684c\u9762\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a &quot;TestFolder&quot; \u7684\u6587\u4ef6\u5939<\/li>\n<li>\u4f7f\u7528 <code>Stop-Service<\/code> \u505c\u6b62 &quot;Print Spooler&quot; \u670d\u52a1<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u7ba1\u9053\u7ec3\u4e60<\/strong><\/p>\n<ul>\n<li>\u83b7\u53d6\u6240\u6709\u8fdb\u7a0b\uff0c\u7b5b\u9009\u51fa CPU \u4f7f\u7528\u65f6\u95f4\u8d85\u8fc7 1 \u5206\u949f\u7684\u8fdb\u7a0b<\/li>\n<li>\u83b7\u53d6\u6240\u6709\u670d\u52a1\uff0c\u53ea\u663e\u793a\u5df2\u505c\u6b62\u7684\u670d\u52a1<\/li>\n<li>\u5217\u51fa\u5f53\u524d\u76ee\u5f55\u7684\u6587\u4ef6\uff0c\u6309\u6587\u4ef6\u5927\u5c0f\u964d\u5e8f\u6392\u5217<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u8fdb\u9636\u7ec3\u4e60<\/h3>\n<ol start=\"4\">\n<li>\n<p><strong>\u7ec4\u5408\u547d\u4ee4<\/strong><\/p>\n<ul>\n<li>\u627e\u51fa\u5185\u5b58\u5360\u7528\u8d85\u8fc7 50MB \u7684\u8fdb\u7a0b\uff0c\u5e76\u6309\u5185\u5b58\u4f7f\u7528\u91cf\u964d\u5e8f\u6392\u5217<\/li>\n<li>\u67e5\u627e\u5f53\u524d\u76ee\u5f55\u4e0b\u6240\u6709 .txt \u6587\u4ef6\uff0c\u5e76\u6309\u4fee\u6539\u65f6\u95f4\u964d\u5e8f\u6392\u5217<\/li>\n<li>\u83b7\u53d6\u6240\u6709\u670d\u52a1\uff0c\u7edf\u8ba1\u8fd0\u884c\u4e2d\u548c\u5df2\u505c\u6b62\u670d\u52a1\u7684\u6570\u91cf<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u53d8\u91cf\u7ec3\u4e60<\/strong><\/p>\n<ul>\n<li>\u5c06\u5f53\u524d\u65e5\u671f\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d\uff0c\u5e76\u8f93\u51fa<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4f60\u7684\u59d3\u540d\u7684\u53d8\u91cf\uff0c\u5e76\u8f93\u51fa\u6b22\u8fce\u4fe1\u606f<\/li>\n<li>\u5c06 <code>Get-Process<\/code> \u7684\u7ed3\u679c\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d\uff0c\u7136\u540e\u8bbf\u95ee\u7b2c\u4e00\u4e2a\u8fdb\u7a0b\u7684\u540d\u79f0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u5b9e\u6218\u6311\u6218<\/h3>\n<ol start=\"6\">\n<li><strong>\u7cfb\u7edf\u7ba1\u7406\u4efb\u52a1<\/strong>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u811a\u672c\uff0c\u627e\u51fa\u6240\u6709\u5360\u7528\u5185\u5b58\u8d85\u8fc7 100MB \u7684\u8fdb\u7a0b\uff0c\u5e76\u5c06\u7ed3\u679c\u8f93\u51fa\u5230\u6587\u4ef6<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u811a\u672c\uff0c\u67e5\u627e\u6240\u6709\u5df2\u505c\u6b62\u7684\u81ea\u52a8\u542f\u52a8\u670d\u52a1\uff0c\u5e76\u5c06\u7ed3\u679c\u4ee5\u8868\u683c\u5f62\u5f0f\u663e\u793a<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u811a\u672c\uff0c\u5217\u51fa\u5f53\u524d\u76ee\u5f55\u53ca\u5176\u5b50\u76ee\u5f55\u4e2d\u6240\u6709\u5927\u4e8e 10MB \u7684\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr>\n<h2>\ud83d\udca1 \u5e38\u89c1\u95ee\u9898 FAQ<\/h2>\n<p><strong>Q1: PowerShell \u547d\u4ee4\u548c CMD \u547d\u4ee4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n<ul>\n<li>A1: PowerShell \u4f7f\u7528 cmdlet\uff08\u52a8\u8bcd-\u540d\u8bcd\u683c\u5f0f\uff09\uff0c\u5904\u7406\u7684\u662f\u5bf9\u8c61\uff1bCMD \u4f7f\u7528\u4f20\u7edf\u547d\u4ee4\uff0c\u5904\u7406\u7684\u662f\u7eaf\u6587\u672c\u3002<\/li>\n<\/ul>\n<p><strong>Q2: \u5982\u4f55\u67e5\u770b\u4e00\u4e2a\u547d\u4ee4\u7684\u5e2e\u52a9\u4fe1\u606f\uff1f<\/strong><\/p>\n<ul>\n<li>A2: \u4f7f\u7528 <code>Get-Help<\/code> \u547d\u4ee4\uff0c\u5982 <code>Get-Help Get-Process<\/code> \u6216 <code>Get-Help Get-Process -Online<\/code> \u67e5\u770b\u5728\u7ebf\u6587\u6863\u3002<\/li>\n<\/ul>\n<p><strong>Q3: \u5982\u4f55\u67e5\u627e\u6240\u6709\u53ef\u7528\u7684\u547d\u4ee4\uff1f<\/strong><\/p>\n<ul>\n<li>A3: \u4f7f\u7528 <code>Get-Command<\/code> \u67e5\u770b\u6240\u6709\u547d\u4ee4\uff0c\u6216 <code>Get-Command -Verb Get<\/code> \u67e5\u770b\u6240\u6709 Get \u5f00\u5934\u7684\u547d\u4ee4\u3002<\/li>\n<\/ul>\n<p><strong>Q4: \u7ba1\u9053\u4e2d\u7684 <code>$_<\/code> \u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/strong><\/p>\n<ul>\n<li>A4: <code>$_<\/code> \u8868\u793a\u5f53\u524d\u7ba1\u9053\u5bf9\u8c61\uff0c\u5728 <code>Where-Object<\/code> \u6216 <code>ForEach-Object<\/code> \u4e2d\u5f15\u7528\u5f53\u524d\u6b63\u5728\u5904\u7406\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>Q5: \u4e3a\u4ec0\u4e48\u6709\u4e9b\u547d\u4ee4\u9700\u8981\u5f15\u53f7\uff0c\u6709\u4e9b\u4e0d\u9700\u8981\uff1f<\/strong><\/p>\n<ul>\n<li>A5: \u5982\u679c\u53c2\u6570\u503c\u5305\u542b\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\uff0c\u9700\u8981\u7528\u5f15\u53f7\u62ec\u8d77\u6765\u3002\u5355\u4e2a\u5355\u8bcd\u6216\u6570\u5b57\u901a\u5e38\u4e0d\u9700\u8981\u5f15\u53f7\u3002<\/li>\n<\/ul>\n<hr>\n<h2>\ud83d\udcda \u62d3\u5c55\u9605\u8bfb<\/h2>\n<ul>\n<li><a href=\"https:\/\/docs.microsoft.com\/zh-cn\/powershell\/\">PowerShell \u5b98\u65b9\u6587\u6863<\/a><\/li>\n<li><a href=\"https:\/\/ss64.com\/ps\/\">PowerShell \u547d\u4ee4\u5927\u5168<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/zh-cn\/powershell\/scripting\/dev-cross-plat\/best-practices?view=powershell-7.2\">PowerShell \u6700\u4f73\u5b9e\u8df5<\/a><\/li>\n<\/ul>\n<hr>\n<p><strong>\ud83c\udf93 \u4eca\u65e5\u603b\u7ed3<\/strong><\/p>\n<p>PowerShell \u7684\u57fa\u672c\u8bed\u6cd5\u662f\u638c\u63e1 PowerShell \u81ea\u52a8\u5316\u7684\u57fa\u7840\u3002\u901a\u8fc7\u7406\u89e3 cmdlet \u7684\u547d\u540d\u89c4\u8303\u3001\u53c2\u6570\u7684\u4f7f\u7528\u3001\u7ba1\u9053\u7684\u5f3a\u5927\u529f\u80fd\uff0c\u4f60\u5df2\u7ecf\u53ef\u4ee5\u5f00\u59cb\u7f16\u5199\u7b80\u5355\u4f46\u5f3a\u5927\u7684\u81ea\u52a8\u5316\u811a\u672c\u4e86\u3002\u8bb0\u4f4f\uff1aPowerShell \u7684\u6838\u5fc3\u662f\u5bf9\u8c61\u548c\u7ba1\u9053\uff0c\u5584\u7528\u8fd9\u4e24\u4e2a\u7279\u6027\u5c06\u5927\u5927\u63d0\u9ad8\u4f60\u7684\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p><strong>\u23ed\ufe0f \u660e\u5929\u9884\u544a<\/strong>: Day 3 &#8211; \u53d8\u91cf\u4e0e\u6570\u636e\u7c7b\u578b\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u5b66\u4e60 PowerShell \u7684\u53d8\u91cf\u7cfb\u7edf\u548c\u5404\u79cd\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<hr>\n<p><em>\u5b66\u4e60\u65f6\u95f4: 2026-03-30<\/em><br \/>\n<em>\u8bfe\u7a0b\u8fdb\u5ea6: Day 2 \/ 30<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Day 2: PowerShell\u57fa\u672c\u8bed\u6cd5 \ud83c\udfaf \u5b66\u4e60\u76ee\u6807 \u7406\u89e3 PowerShell \u7684\u57fa\u672c\u8bed\u6cd5\u7ed3\u6784 \u638c\u63e1\u547d\u4ee4 &#8230; <a title=\"Day-2-PowerShell\u57fa\u672c\u8bed\u6cd5\" class=\"read-more\" href=\"https:\/\/www.resilence.cn\/?p=315\" aria-label=\"\u7ee7\u7eed\u9605\u8bfbDay-2-PowerShell\u57fa\u672c\u8bed\u6cd5\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-315","post","type-post","status-publish","format-standard","hentry","category-powershell"],"_links":{"self":[{"href":"https:\/\/www.resilence.cn\/index.php?rest_route=\/wp\/v2\/posts\/315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.resilence.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.resilence.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.resilence.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.resilence.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=315"}],"version-history":[{"count":1,"href":"https:\/\/www.resilence.cn\/index.php?rest_route=\/wp\/v2\/posts\/315\/revisions"}],"predecessor-version":[{"id":316,"href":"https:\/\/www.resilence.cn\/index.php?rest_route=\/wp\/v2\/posts\/315\/revisions\/316"}],"wp:attachment":[{"href":"https:\/\/www.resilence.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.resilence.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.resilence.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}