New-Variable num -Value 100 -Force -Option readonly 但是可以通过删除变量,再重新创建变量更新变量内容。也可以强制赋值。 有没有权限更高的变量,有,那就是:选项Constant,常量一旦声明,不可修改 变量描述 在New-Variable 可以通过-description 添加变量描述,但是变量描述默认不会显示,可以
forhelp. Hit Command breakpoint on'prompt:test-cmdlet'test-cmdlet[DBG]: C:\PS> cProcessEntering debug mode. Use h or ?forhelp. Hit Command breakpoint on'prompt:test-cmdlet'test-cmdlet[DBG]: C:\PS> cEndEntering debug mode. Use h or ?forhelp. Hit Command breakpoint on'prompt:test-cm...
Key Value --- --- a Power b Shell $PSCmdlet包含物件,表示正在執行的 Cmdlet 或進階函式。您可以在 Cmdlet 或函式程式代碼中使用 物件的屬性和方法,以回應使用條件。 例如,ParameterSetName 屬性包含正在使用的參數集名稱,而 ShouldProcess 方法會以動態方式將 WhatIf 和Confirm 參數新增至Cmdlet。如需...
ERROR: Variable: found in expression: is not defined. ERROR:Cannot process argument transformation on parameter 'DriveLetter'. Cannot convert value "$DriveLetter" to type "System.Char". Error: "String must be exactly one character long." escape the single quote inside an insert statement Escapin...
# NOTE: We are reusing the values saved in the $credential variable from the above example.New-PSDrive-NameSQLonDocker-PSProviderSqlServer-Root'SQLSERVER:\SQL\localhost,10002\Default\'-Credential$credential 可以运行Get-PSDrivecmdlet 来确认是否已创建驱动器。
使用ls variable:列出当前使用的所有变量,刚启动的PowerShell执行此命令能看到PowerShell的所有自动化变量(一旦打开Powershell就会自动加载的变量) Name Value --- --- $ ? True ^ args {} ConfirmPreference High ConsoleFileName DebugPreference SilentlyContinue Error...
set-alias -name pad -value notepad # 设置临时别名,将notepad赋给pad别名 del alias:pad # 删除别名 export-alias 1.psl # 导出别名 import-alias -force 1.psl # 强制导入别名 PowerShell变量基础 等于号赋值 $name="xx" 特殊变量名称用花括号包围 ${"asdsad asdsd" var ()} PowerShell变量操作 支持...
When you run the function, the value you supply for a parameter is assigned to a variable that contains the parameter name. The value of that variable can be used in the function. The following example is a function calledGet-SmallFiles. This function has a$Sizeparameter. The function displa...
The following script returns the current configuration values for the report server e-mail delivery extension for the service application named "Reporting Services Application." The first step sets the value of the variable $app to the object of the service application that has a name of " My ...
If you are on Linux or macOS and desire an Orange path, you will need to specify the RGB value for Orange e.g.: $GitPromptSettings.DefaultPromptPath.ForegroundColor = 0xFFA500 This will change the prompt to: If you would like to make your prompt span two lines, with a newline after...