问Powershell -将重复的键但不同的值添加到哈希表中EN通常为了保证我们从网上下载的文件的完整性和可靠...
hashtable是一个类似于数组的数据结构,除了你使用键来存储一个值(或者对象),它是一个基本的键/值对存储.首先,我们来创建一个空的hashtable $ageList= @{} 注意这里用的是花括号,而上面定义数组用的是小括号. 然后我们使得键来添加一些值: $key='Kevin'$value= 36$ageList.add($key,$value)$ageList.add...
Now let’s look at adding, changing, and removing elements from the hashtable. First let’s add the date and the city where the user lives to the $user table. 现在让我看看如何添加、修改和删除hashtable中的元素 PS (1) > $user.date = get-date PS (2) > $user Key Value --- ---...
还可以使用Add()对象的System.Collections.Hashtable方法向哈希表添加键和值。Add()方法采用以下语法: PowerShell Add(Key, Value) 例如,若要向哈希表添加具有Time值的Now键,请使用以下语句格式。 PowerShell $hash.Add("Time","Now") 此外,可以使用加法运算符(+)向哈希表添加键和值,将哈希表添加到现有哈希表...
$people|ConvertTo-JSON|Set-Content-Path$path$people=Get-Content-Path$path-Raw|ConvertFrom-JSON 此方法有两个重要方面。 首先,JSON 采用多行编写,因此我需要使用-Raw选项将其读回到单个字符串中。 其次,导入的对象不再是[hashtable]。 它现在是[pscustomobject],如果你不希望是这样,可能会导致问题。
First, we create an empty hashtable. PowerShell Copy $ageList = @{} Notice that braces, instead of parentheses, are used to define a hashtable. Then we add an item using a key like this: PowerShell Copy $key = 'Kevin' $value = 36 $ageList.Add( $key, $value ) $ageList...
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Plug in the name of a value, for example: [array]$Hashtable=$NULL $Hashtable+=@{Purple=54} $Hashtable+=@{People=37} $Hashtable+=@{Eater=78} To find the value calledPeople, add the name to the hash table variable: $Hashtable.People 37...
function Add-ItemToJsonReport { param( [Parameter(Mandatory)] [Hashtable] $Items, [Parameter()] [ValidateScript({ Test-Path $_ -PathType Leaf })] [string] $Path = 'C:\path\to\json\report.json' ) $report = Get-Content -Path $Path -Raw | ConvertFrom-Json -AsHashtable ...
Similar to the array subexpression, this syntax is used to declare a hash table. For more information, seeabout_Hash_Tables. Call operator& Runs a command, script, or script block. The call operator, also known as theinvocation operator, lets you run commands that are stored in variables an...