PS> $hash['three'] 3 PS> $hash[2] two In this example, the key value 2 isn't an index into the collection of values. It's the value of the key in the key-value pair. You can prove this by indexing into the collection of values. PowerShell Copy PS> ([array]$hash.Values...
哈希表表示与数组类似的概念,因为它存储多个项。 但不同于数组使用索引号来确定每项,哈希表使用唯一键来实现这一点。 键是一个字符串,它是项的唯一标识符。 哈希表中的每个键都与值相关联。 下表描述了数组如何存储 IP 地址列表。 表1:数组如何存储 IP 地址列表 ...
Hash tables have Count, Keys and Values properties. You can use dot notation to display all count of key/value pairs or to display all of the keys or all of the values. PS D:\MyScripts>$hash.count2PS D:\MyScripts>$hash.KeysComputerNameIP AddressPS D:\MyScripts>$hash.valuesDC1192.168...
接受的值: DataSet, DataTables, DataRows Position: Named 預設值: None 必要: False 接受管線輸入: False 接受萬用字元: False -OutputSqlErrors 指出此 Cmdlet 會在 Invoke-Sqlcmd 輸出中顯示錯誤訊息。 展開資料表 類型: Boolean Position: Named 預設值: None 必要: False 接受管線輸入: False 接受萬用...
Working with Hash Tables In last week’s Windows PowerShell Tip we introduced you to the .NET Framework class System.Collections.ArrayList, positioning this class as an alternative to the array class built into Windows PowerShell. (Why do you even need an alternative to the array class bu...
有关哈希表的详细信息,请参阅 about_Hash_Tables。 示例 示例1:格式化 PowerShell 主机 本示例显示有关表中 PowerShell 主机程序的信息。 PowerShell 复制 Get-Host | Format-Table -AutoSize Get-Host cmdlet 获取表示主机的 System.Management.Automation.Internal.Host.InternalHost 对象。 对象将沿管道向下发送...
The following example uses theSet-ItemPropertycmdlet to replace existing bindings with a set of new bindings. An array of hash tables is used to achieve this. Set-ItemProperty IIS:\Sites\DemoSite -Name bindings -Value (@{protocol="http";bindingInformation="*:80:DemoSite1"},@{protocol="http...
Windows PowerShell Tip: Working With Security Descriptors Working with Hash Tables Accessing WMI from Windows PowerShell Hip, Hip, Array—Retrieving Multi-Valued WMI Properties from Windows PowerShell Do Scripters Dream of Magenta-Colored Text? PowerShell ScriptomaticLearn...
Selects objects from indexed collections, such as arrays and hash tables. Array indexes are zero-based, so the first object is indexed as[0]. You can also use negative indexes to get the last values. Hash tables are indexed by key value. ...
Put the hash tables to work So I have two hash tables. The first hash table contains ASCII values and associated letters: Notice that I do not use anOrderedDictionaryobject because I could not do the look up like I want to if I use it. So the output of the hash table is a bit jum...