有关详细信息,请参阅 about_Automatic_Variables。 如果在没有管道输入的情况下调用函数,PowerShell 将只执行一 process 次块。 在管道中,process 块为到达函数的每个输入对象都执行一次。 如果到达函数的管道输入为空,则 process 块不会执行。 begin end和clean块仍在执行。 重要 如果函数参数接受管道输入,并且 ...
如需詳細資訊,請參閱about_Automatic_Variables。 PSBoundParameters 意想不到的問題 要記住的一個重要事項是,這隻包含傳入做為參數的值。 如果您也有具有預設值但不會由呼叫端傳入的參數,$PSBoundParameters則不包含這些值。 這通常被忽略。 $PSDefaultParameterValues ...
第二个框中的SELECT查询需要针对SLQ_INSTANCE中的主数据库运行，一旦做出选择，第一个下拉框就会产生主数...
Runs a script in the current scope so that any functions, aliases, and variables that the script creates are added to the current scope, overriding existing ones. Parameters declared by the script become variables. Parameters for which no value has been given become variables with no value. How...
Comparing two users group membership Comparing XML Nodes Compile a list of firstname, last name and their AD accounts using PowerShell Compile an powershell script to DLL Compine multiple variables into a single CSV Compress the multiple files into one zip file from source to destination Computer...
about_Variables about_Variable_Provider about_While about_Wildcards about_Windows_PowerShell_Compatibility Add-History Clear-History Clear-Host(清除主机) Connect-PSSession Debug-Job Disable-ExperimentalFeature Disable-PSRemoting Disable-PSSessionConfiguration Disconnect-PSSession Enable-ExperimentalFeature E...
Describes variables that store state information for and are created and maintained by PowerShell. Conceptually, most of these variables are considered to be read-only. Even though they can be written to, for backward compatibility they should not be written to. Here is a list of the autom...
Most people know how easy it is to use Windows PowerShell to retrieve information about environment variables. Want to see all your environment variables and their values? This command should do the trick: Get-ChildItem Env: In turn, you should get back information similar to this extract: ...
Find Referencesof cmdlets, variables, classes and more Document and WorkspaceSymbol Navigation Symbol-basedOutline View Run selected PowerShell code in current terminal usingF8 Launch online help for the symbol under the cursor usingCtrl + F1
# Set mandatory variables for the SQL Server provider Set-Variable -scope Global -name SqlServerMaximumChildItems -Value 0 Set-Variable -scope Global -name SqlServerConnectionTimeout -Value 30 Set-Variable -scope Global -name SqlServerIncludeSystemObjects -Value $false ...