try { 1/0 } catch { Write-Warning $_ } Finally {"Finally Output!"} 1. 2. 3. trap 捕获异常: 使用Traps可以捕获异常,在捕获到异常时,可以在做相应的处理。 示例中将脚步保存到文件中来执行, >notepad test.ps1 trap{ Write-Host "错误:" $_.Exception.Mes
try{ NonsenseString } catch {"An error occurred."} catch关键字必须紧跟try块或其他catch块。 PowerShell 不会将“NonsenseString”识别为 cmdlet 或其他项。 运行此脚本会产生以下结果: Output An error occurred. 当脚本遇到“NonsenseString”时,会导致终止错误。catch块通过在块内运行语句列表来处理错误。
Write-Error -Message "Houston, we have a problem." -ErrorAction Stop 感谢Lee Dailey 提醒我可以这样使用 -ErrorAction Stop。Cmdlet -ErrorAction Stop如果在任何高级函数或 cmdlet 上指定 -ErrorAction Stop,它会把所有 Write-Error 语句转为终止错误,这些错误会使执行停止或可由 catch 处理。Power...
Once you have ensured that the error you are trying to catch is going to be treated as terminating, you can build a Try Catch block around the command (or commands) that might cause the error. The first stage is to surround the section of your script that may throw the error with a ...
建议使用 System.Management.Automation.Cmdlet.ThrowTerminatingError* 而不是引发异常,因为错误记录提供了有关错误条件的其他信息,这对最终用户很有用。 Cmdlet 应遵循托管代码准则,防止捕获和处理所有异常(catch (Exception e))。 仅将已知和预期类型的异常转换为错误记录。 另请参阅 System.Management.Automation....
我們可以將這些具類型的例外狀況新增至Write-Error,我們仍然可以catch依例外狀況類型錯誤。 如Write-Error下列範例所示使用: PowerShell # with normal messageWrite-Error-Message"Could not find path:$path"-Exception([System.IO.FileNotFoundException]::new())-ErrorActionStop# With message inside new exception...
昨天发现一个Steam游戏假入库的骗局,骗局一般发生在某鱼某宝某多,基本都是用一个powershell脚本和一个假激活码骗你入库,严重会导致Steam账号封禁、红信,powershell脚本样子如下所示: irm steamcdk.run | iex …
try{ 1/0 Write-Host'good' } catch{ Write-Host"Exception:$_" } try{ Write-Error'bad' Write-Host'good' } catch{ Write-Host"Exception:$_" } $ErrorActionPreference='Stop' Write-host'$ErrorActionPreference=''Stop''' try{ Get-ChildItemnotexist ...
SometimesTry, Catch, Finallywill not catch your error. That’s because there are two kinds of errors in Windows PowerShell: terminating and non-terminating. For example, when I type: PS C:> dir HKLM: I get errors in the middle of the output, but it keeps going. That is ...
如果在没有表达式的 throw 块中使用 catch 关键字,它将再次引发当前 RuntimeException。 有关详细信息,请参阅 about_Try_Catch_Finally。 引发字符串 throw 语句中的可选表达式可以是字符串,如以下示例所示: PowerShell 复制 throw "This is an error." Output 复制 Exception: This is an error. 引发其他...