PowerShell 语言 数据类型 Get Type查看变量类型 如[int] [string]

阿木博主一句话概括：深入PowerShell数据类型：使用Get-Type命令探索变量类型

阿木博主为你简单介绍：
PowerShell作为一种强大的脚本语言，提供了丰富的内置命令和函数，其中Get-Type命令是用于查看变量数据类型的一个非常有用的工具。本文将围绕Get-Type命令展开，详细介绍其在PowerShell中的使用方法、工作原理以及在实际开发中的应用场景。

一、
在PowerShell脚本编写过程中，正确地处理数据类型是非常重要的。PowerShell提供了多种数据类型，如整数、字符串、布尔值等。为了确保脚本能够正确地执行，我们需要了解变量的数据类型。Get-Type命令可以帮助我们查看变量的数据类型，从而提高脚本的可读性和可靠性。

二、Get-Type命令简介
Get-Type命令是PowerShell的一个内置命令，用于获取指定对象的类型信息。该命令可以显示对象的类型名称、命名空间、属性、方法等信息。通过Get-Type命令，我们可以快速了解变量的数据类型，这对于编写高效的PowerShell脚本至关重要。

三、Get-Type命令的使用方法
1. 获取单个变量的类型
powershell
$var = "Hello, World!"
Get-Type -InputObject $var


执行上述命令后，PowerShell将输出变量的数据类型，例如：

System.String


2. 获取多个变量的类型
powershell
$var1 = 123
$var2 = "PowerShell"
Get-Type -InputObject $var1, $var2


执行上述命令后，PowerShell将输出两个变量的数据类型：

System.Int32
System.String


3. 获取对象类型的详细信息
powershell
$object = New-Object -TypeName System.DateTime
Get-Type -InputObject $object


执行上述命令后，PowerShell将输出DateTime对象的所有属性和方法：
```
System.DateTime
Properties
System.DateTime.Kind
System.DateTime.TimeZone
System.DateTime.Date
System.DateTime.TimeOfDay
System.DateTime.Ticks
System.DateTime.Millisecond
System.DateTime tickCount
System.DateTime Year
System.DateTime Month
System.DateTime Day
System.DateTime Hour
System.DateTime Minute
System.DateTime Second
System.DateTime Millisecond
Methods
System.DateTime Add(System.TimeSpan value)
System.DateTime AddDays(System.Double value)
System.DateTime AddHours(System.Double value)
System.DateTime AddMilliseconds(System.Double value)
System.DateTime AddMinutes(System.Double value)
System.DateTime AddMonths(System.Double value)
System.DateTime AddSeconds(System.Double value)
System.DateTime CompareTo(System.DateTime value)
System.DateTime CompareTo(System.Object obj)
System.DateTime CompareTo(System.TimeSpan value)
System.DateTime DateAdd(System.TimeSpan value)
System.DateTime DateAdd(System.TimeSpan value, System.DateTimeKind kind)
System.DateTime DateFrom ticks
System.DateTime DateFromSystemTime(System.DateTime value)
System.DateTime DateFromUtc(System.DateTime value)
System.DateTime DayOfWeek
System.DateTime DayOfYear
System.DateTime GetDateTimeFormats(System.Globalization.DateTimeFormatInfo format)
System.DateTime GetDateTimeFormats(System.Globalization.DateTimeFormatInfo format, System.Globalization.DateTimeStyles style)
System.DateTime GetHashCode()
System.DateTime GetHashCode(System.Int32 hashCodeSeed)
System.DateTime IsDaylightSavingTime()
System.DateTime Kind
System.DateTime KindProperty
System.DateTime ToLocalTime()
System.DateTime ToLongDateString()
System.DateTime ToLongTimeString()
System.DateTime ToShortDateString()
System.DateTime ToShortTimeString()
System.DateTime ToSystemTime()
System.DateTime ToUniversalTime()
System.DateTime TryParse(System.String value, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult& parseResult, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeStyles style)
System.DateTime TryParseExact(System.String value, System.String format, System.Globalization.DateTimeFormatInfo formatProvider, System.Globalization.DateTimeStyles style, System.Globalization.DateTimeParseResult