Question

我很难在powershell中捕获净使用异常。

foreach ($k in $file){

        try{
            net use \\$k\share $password /USER:$username > null 
            Copy-Item D:\setup.exe \\$k\share 
            net use \\$k\share /delete > null 
            write-host "Copied file to \\$k\share"

        }
        catch [System.Exception]{
            continue
        }

}

如果脚本无法对机器进行身份验证，我希望脚本以静默方式继续，但我得到以下错误

net : System error 1326 has occurred.
At D:\Script\log_into.ps1:25 char:17
+                 net use \\$k\share $password /USER:$username > null
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (System error 1326 has occurred.:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

The user name or password is incorrect.
net : The network connection could not be found.
At D:\Script\log_into.ps1:27 char:17
+                 net use \\$k\share /delete > null
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (The network con...d not be found.:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

Answer 1

使用PowerShell cmdlet映射驱动器，以便您可以正确捕获任何异常。

这只适用于PowerShell 3.0及更高版本，因为旧版本中的-Credential参数存在错误（它不起作用）。如果您需要兼容v2，请发表评论＆amp;我会更新。

$userPass = ConvertTo-SecureString "password" -AsPlainText -Force
$Credential = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $username, $userPass

foreach ($k in $file){

        try{
            New-PSDrive -Name Z -PSProvider FileSystem -Root \\$k\share -Credential $Credential;
            Copy-Item D:\setup.exe Z:\
            Remove-PSDrive -name Z
            write-host "Copied file to \\$k\share"

        }
        catch [System.Exception]{
            continue
        }

}

Answer 2

尝试引用$ LASTEXITCODE值。

所以这样的事情可行。

    Try
    {
        # Set the credentials for the destination server
        Write-Output "net use starting"
        net use \\$k\share $password /USER:$username > null
        if ($LASTEXITCODE -eq 0) {
            write-host "net use successful"
        } else {
            write-error "Error non zero net use exit code."
            throw $error[0].Exception
        }
    }
    Catch
    {
        write-error "Error setting the remote server credentials.Halting the script."
        throw $error[0].Exception
    }

此解决方案是通过阅读这些查询构建的：

How to obtain exit code when I invoke NET USE command via Powershell?

handling net use error messages with powershell

在PowerShell中捕获净使用异常

2 个答案: