about_Numeric_Literals 项目 2023/03/01 1 个参与者 本文内容 简短说明 长说明 整数文本 真实文本 显示另外 4 个 简短说明 本文介绍 PowerShell 中数值的语法和用法。 长说明 有两种类型的数值文本:整数和实数。 两者都可以具有类型和乘数后缀。 整数文本 整数文本可以用十进制、十六进制或二进制表示法编写。 十六
ExampleProject7 類別會使用Update-TypeData Cmdlet 在靜態類別建構函式中定義 Duration 腳本屬性。 Update-TypeData使用 或 Add-Member Cmdlet 是定義 PowerShell 類別進階屬性的唯一方法。 Duration 屬性會傳回 的值$null,除非已設定 StartDate 和EndDate 屬性,而且 StartDate 定義為早於 EndDate。 PowerShell 複製...
以下模式演示如何在模块中将 PowerShell 类和枚举注册为类型加速器。 将代码片段添加到根脚本模块的任何类型定义之后。 请确保变量$ExportableTypes包含要在用户导入模块时提供给用户的每个类型。 其他代码不需要任何编辑。 PowerShell # Define the types to export with type accelerators.$ExportableTypes=@( [Defined...
PowerShell 使用参数集编写单个函数,该函数可以针对不同方案执行不同操作。 参数集使你能够向用户公开不同的参数。 并且,根据用户指定的参数返回不同的信息。 一次只能使用一个参数集。 参数集要求 以下要求适用于所有参数集。 如果某个参数未指定有参数集,则该参数属于所有参数集。
An operator is a language element that you can use in a command or expression. PowerShell supports several types of operators to help you manipulate values. Arithmetic Operators Use arithmetic operators (+,-,*,/,%) to calculate values in a command or expression. With these operators, you can...
The input objects are normally formatted out-of-band using theToString()method. This applies to[string]and .NET primitive types, which are a superset of the built-in numeric types such as[int],[long], and others. The input objects have no public properties. ...
Any argument that is non-numeric or outside the platform-specific range is translated to the value of0. Script scope and dot sourcing Each script runs in its own scope. The functions, variables, aliases, and drives that are created in the script exist only in the script scope. You cannot...
In this webcast, we explore how Windows PowerShell makes use of the powerful and flexible .NET Framework to handle data, giving you hundreds of built-in functions for managing strings, dates, and other types of data. But did you know that you can extend these functions using Windows PowerSh...
A set of PowerShell functions you might use to enhance your own functions and scripts or to facilitate working in the console. Most should work in both Windows PowerShell and PowerShell 7, even cross-platform. Any operating system limitations should be h
The data types in PowerShell (integer, long integer, double, and decimal) are built on the .NET data types of the same names. Administrative Numeric Constants Since computer administrators rarely get the chance to work with numbers in even powers of 10, PowerShell offers the numeric constants...