$ErrorActionPreference = 'SilentlyContinue' #错误不抛出,脚本也会继续执行。 $ErrorActionPreference = 'Continue' #将错误抛出来,但是脚本会继续往下执行 $ErrorActionPreference = 'Stop' #错误发生时,终止脚本执行 $ErrorActionPreference = 'Inquire' #提供选项由用户选择Error Action 1. 2. 3. 4. 5. 6. ...
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 ...
try块包含我们需要检查的代码关键字throw用于抛出自定义错误 catch块处理捕获的错误 finally 块是最终结果无论如何,都会执行的一个块,可以在这个块里面做一些需要善后的事情 1.1 try...); } ➤ ⓧ Error while executing the code 1.2.1 try..catch 与 无效代码 try..catch 无法捕获无效的 JS 代码,例如try...
PowerShell默认的顺序执行命令,即使中间某一句命令出错,也会继续向下执行。 但是,我们的业务有时并非如此,我们希望出现异常情况后进行捕获异常,进行记录日志等操作。 和其他编程语言一样,我们可以使用try catch代码块。 ??? 这好像没区别啊,是的。默认的每个命令都会有一些通用参数。 有个参数是:ErrorAction,就是指定...
问Powershell非终止错误并尝试catch块ENtry-catch语句块是C#中用于异常处理的关键机制。异常是在程序执行...
Finallyis similar to a Trap block. Trap blocks generally catch any errors in the scope of the entire script or function. The beauty ofTry, Catch, Finallyis that it is like a localized Trap for a specific block of commands. This gives you great flexibility in your error han...
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。 使用多个 catch 语句 一个try 语句可以包含任意数量的 catch 块。 例如,以下脚本具有下载 try 的MyDoc.doc 块,其中包含两个 catch 块: PowerShell 复制 try { $wc = New-Obje...
Start-Something -ErrorAction Stop 有关ErrorAction 参数的详细信息,请参阅 about_CommonParameters。 有关 $ErrorActionPreference 变量的详细信息,请参阅 about_Preference_Variables。Try/CatchPowerShell(以及许多其他语言)中的异常处理方式是,先对一部分代码执行 try,如果引发错误,则对其执行 catch。 下面是一个简单...
Today’s post (and this blog's inaugural post!) is An Introduction to Error Handling in PowerShell. We will discuss error types, the$errorvariable, error action preferences, try/catch blocks, and$lastexitcode. The first requirement is to understand the types of errors that can occur during...
Try/Catch 是更现代的错误处理方式。 PowerShell 复制 function Test-MrErrorHandling { [CmdletBinding()] param ( [Parameter(Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)] [string[]]$ComputerName ) process { foreach ($Computer in $ComputerName) { try { Test-WSMan -ComputerName ...