about_Line_Editing about_Locations about_Logging_Non-Windows about_Logging_Windows about_Logical_Operators about_Member-Access_Enumeration about_Methods about_Modules about_Module_Manifests about_Numeric_Literals about_Objects about_Object_Creation about_Operators about_Operator_Precedence about_Output_Streams...
Output 复制 Test-WriteError: Line | 7 | Test-WriteError | ~~~ | Bad The $? variable is: False Now the $? variable is: True 出于后者的目的,应改用 $PSCmdlet.WriteError()。对于本机命令(可执行文件),当 $? 为0 时, 设置为 $LASTEXITCODE,当 为任何其他值时设置为 $LASTEXITCODE。备注...
此命令會傳回System.Management.Automation.LineBreakpoint物件。 Output Column : 0 Line : 1 Action : Enabled : True HitCount : 0 Id : 0 Script : C:\ps-test\test.ps1 ScriptName : C:\ps-test\test.ps1 現在,啟動腳本。 PowerShell PS C:\ps-test> .\test.ps1 ...
4.建议的参数名称:PowerShell 核心 cmdlet 使用标准名称 指示计算机的参数的建议名称是 ComputerName,而不是 Server、Host、System、Node 或其他常见的备选单词。 其他重要的建议参数名称是 Force、Exclude、Include、PassThru、Path 和 CaseSensitive。 5.PS支持别名以通过备用名称引用命令(Get-Alias获取别名),别名将新...
Output An Error occurred: at <ScriptBlock>, <No file>: line 2 使用finally 释放资源 若要释放脚本使用的资源,请在finally和try块之后添加catch块。 无论finally块是否遇到终止错误,try块语句都会运行。 PowerShell 在脚本终止或当前块超出作用域之前运行finally块。
Output don't 若要強制 PowerShell 以常值方式解譯雙引號,請使用反引號字元。 這可防止PowerShell將引號解譯為字串分隔符。 例如: PowerShell "Use a quotation mark (`") to begin a string."'Use a quotation mark (`") to begin a string.' ...
Output: Welcome to thePowerShell Tutorial. In the output above, the"Welcome to the"is displayed on the first line. Then, the`ncharacter is encountered, causing a line break, and the cursor moves to the beginning of the next line and the"PowerShell Tutorial."is displayed on the second li...
Output复制 The 'Foo' environment variable is set to: An example An example! 在PowerShell 中,环境变量不能设置为空字符串。 将环境变量设置为$null或空字符串会将其从当前会话中删除。 例如: PowerShell复制 $Env:Foo=''$Env:Foo|Get-Member-MemberTypeProperties ...
If, however, $condition is False, the trap will Break. This exits the current scope and passes the original exception up to the parent. From the shell's view, that means line 19 produced an exception, which is trapped by line 1. The Continue keyword forces the shell to resume on line...
Ctrl+SPress Ctrl+S to pause or resume the display of output. Delete / BackspacePress Delete to delete the character under the cursor, or press the Backspace key to delete the character to the left of the cursor. EscPress the Esc key to clear the current line. ...