Question

我从一个vb脚本回到了powershell的世界目前我正在开发一个控制台应用程序主菜单和多子主菜单。

我希望菜单系统像级联效果一样工作，例如：

---------------------------------------------------------------------
                     Main Menu 
clear
write-host "A"
write-host "B"
write-host "C"
write-host "D"

#When the user choose a letter the use would then 
#forwarded to the letter A menu

$Choice = read-host ''"Please enter your Choice"

--------------------------------------------------------
                     Menu A
#If the user selects any of the options available from (A-Test1 to A-Test3) in #Menu A for example A-Test1:
#The menu A-Test1 will show up and  display a menu of a list of
#actions to perform or return the user back to the menu A.

write-host "A-Test1"
write-host "A-Test2"
write-host "A-Test3"
write-host "A-Test4"
write-host "Exit " # Exit will return the user back to the main menu
                   # To select another choice.
$select = read-host ''"Please select from menu A:"

Answer 1

您可以通过多种方式创建菜单系统。就个人而言，我过去曾使用过这种格式的菜单驱动的TUI脚本：

function mainMenu {
    $mainMenu = 'X'
    while($mainMenu -ne ''){
        Clear-Host
        Write-Host "`n`t`t My Script`n"
        Write-Host -ForegroundColor Cyan "Main Menu"
        Write-Host -ForegroundColor DarkCyan -NoNewline "`n["; Write-Host -NoNewline "1"; Write-Host -ForegroundColor DarkCyan -NoNewline "]"; `
            Write-Host -ForegroundColor DarkCyan " Submenu1"
        Write-Host -ForegroundColor DarkCyan -NoNewline "`n["; Write-Host -NoNewline "2"; Write-Host -ForegroundColor DarkCyan -NoNewline "]"; `
            Write-Host -ForegroundColor DarkCyan " Submenu2"
        $mainMenu = Read-Host "`nSelection (leave blank to quit)"
        # Launch submenu1
        if($mainMenu -eq 1){
            subMenu1
        }
        # Launch submenu2
        if($mainMenu -eq 2){
            subMenu2
        }
    }
}

function subMenu1 {
    $subMenu1 = 'X'
    while($subMenu1 -ne ''){
        Clear-Host
        Write-Host "`n`t`t My Script`n"
        Write-Host -ForegroundColor Cyan "Sub Menu 1"
        Write-Host -ForegroundColor DarkCyan -NoNewline "`n["; Write-Host -NoNewline "1"; Write-Host -ForegroundColor DarkCyan -NoNewline "]"; `
            Write-Host -ForegroundColor DarkCyan " Say hello"
        Write-Host -ForegroundColor DarkCyan -NoNewline "`n["; Write-Host -NoNewline "2"; Write-Host -ForegroundColor DarkCyan -NoNewline "]"; `
            Write-Host -ForegroundColor DarkCyan " Say goodbye"
        $subMenu1 = Read-Host "`nSelection (leave blank to quit)"
        $timeStamp = Get-Date -Uformat %m%d%y%H%M
        # Option 1
        if($subMenu1 -eq 1){
            Write-Host 'Hello!'
            # Pause and wait for input before going back to the menu
            Write-Host -ForegroundColor DarkCyan "`nScript execution complete."
            Write-Host "`nPress any key to return to the previous menu"
            [void][System.Console]::ReadKey($true)
        }
        # Option 2
        if($subMenu1 -eq 2){
            Write-Host 'Goodbye!'
            # Pause and wait for input before going back to the menu
            Write-Host -ForegroundColor DarkCyan "`nScript execution complete."
            Write-Host "`nPress any key to return to the previous menu"
            [void][System.Console]::ReadKey($true)
        }
    }
}

function subMenu2 {
    $subMenu2 = 'X'
    while($subMenu2 -ne ''){
        Clear-Host
        Write-Host "`n`t`t My Script`n"
        Write-Host -ForegroundColor Cyan "Sub Menu 2"
        Write-Host -ForegroundColor DarkCyan -NoNewline "`n["; Write-Host -NoNewline "1"; Write-Host -ForegroundColor DarkCyan -NoNewline "]"; `
            Write-Host -ForegroundColor DarkCyan " Show processes"
        Write-Host -ForegroundColor DarkCyan -NoNewline "`n["; Write-Host -NoNewline "2"; Write-Host -ForegroundColor DarkCyan -NoNewline "]"; `
            Write-Host -ForegroundColor DarkCyan " Show PS Version"
        $subMenu2 = Read-Host "`nSelection (leave blank to quit)"
        $timeStamp = Get-Date -Uformat %m%d%y%H%M
        # Option 1
        if($subMenu2 -eq 1){
            Get-Process
            # Pause and wait for input before going back to the menu
            Write-Host -ForegroundColor DarkCyan "`nScript execution complete."
            Write-Host "`nPress any key to return to the previous menu"
            [void][System.Console]::ReadKey($true)
        }
        # Option 2
        if($subMenu2 -eq 2){
            $PSVersionTable.PSVersion
            # Pause and wait for input before going back to the menu
            Write-Host -ForegroundColor DarkCyan "`nScript execution complete."
            Write-Host "`nPress any key to return to the previous menu"
            [void][System.Console]::ReadKey($true)
        }
    }
}

mainMenu

您可以根据需要深入嵌套多个菜单，或者将代码放在任何级别执行。当我需要一个用户友好的工具时，我已经切换到使用WinForms，但这种格式已经很好用了一段时间（我仍然在我的实验室中使用它来创建一个完整的GUI）

唯一可能令人困惑的部分是代码执行后等待用户按任意键时我所在的暂停。如果你没有那个，脚本将清除控制台并在代码执行后返回菜单。我把它放进去，以便在返回菜单系统之前查看输出。

Powershell多项选择菜单和子菜单

1 个答案: