PSObject -Property有条件

时间:2015-12-02 09:57:14

标签: powershell powershell-v2.0 psobject

我想在我的代码的这一部分中加入条件:

$objInfos = New-Object PSObject -Property @{
                    Dossier = [string]"$($logs[0])"
                    "Taille totale" = [double]$logs[1]
                    "Categorie recherchee" = [double]$logs[2]
                    "Pourcentage" = [double]$logs[3]
                    "Date de dernier acces" = [DateTime]"$($logs[5])"
}

我需要每个案例都有这样的条件:

$objInfos = New-Object PSObject -Property @{
                    if ($test -eq 1){
                        Dossier = [string]"$($logs[0])"
                    }
                    "Taille totale" = [double]$logs[1]
                    "Categorie recherchee" = [double]$logs[2]
                    "Pourcentage" = [double]$logs[3]
                    "Date de dernier acces" = [DateTime]"$($logs[5])"
}

我试过这种方式而且没有用

  

哈希文字中的键后缺少'='运算符。

有人知道该怎么做吗?

2 个答案:

答案 0 :(得分:3)

您可以在单独的语句中创建Hashtable,用值填充它,然后将其传递给New-Object cmdlet。

$Hashtable = @{}
if ($test -eq 1){
    $Hashtable.Add('Dossier', [string]"$($logs[0])")
}
$Hashtable.Add("Taille totale", [double]$logs[1])
$Hashtable.Add("Categorie recherchee", [double]$logs[2])
$Hashtable.Add("Pourcentage", [double]$logs[3])
$Hashtable.Add("Date de dernier acces", [DateTime]"$($logs[5])")
$objInfos = New-Object PSObject -Property $Hashtable

如果您希望的属性与添加到Hashtable的元素的顺序相同,则需要使用OrderedDictionary代替Hashtable

$Hashtable = New-Object System.Collections.Specialized.OrderedDictionary

答案 1 :(得分:1)

您可以根据建议的@PetSerAl条件向条件哈希表添加条目:

$props = @{
  'Taille totale'         = [double]$logs[1]
  'Categorie recherchee'  = [double]$logs[2]
  'Pourcentage'           = [double]$logs[3]
  'Date de dernier acces' = [DateTime]$logs[5]
}

if ($test -eq 1) {
  $props['Dossier'] = "$($logs[0])"
}

$objInfos = New-Object PSObject -Property $props

您可以使用Add-Member作为@ arco444在您的问题的评论中建议:

$objInfos = New-Object PSObject -Property @{
  'Taille totale'         = [double]$logs[1]
  'Categorie recherchee'  = [double]$logs[2]
  'Pourcentage'           = [double]$logs[3]
  'Date de dernier acces' = [DateTime]$logs[5]
}

if ($test -eq 1) {
  $objInfos | Add-Member -Type NoteProperty -Name 'Dossier' -Value "$($logs[0])"
}

或者您可以添加属性,但可以根据检查结果设置其值:

$objInfos = New-Object PSObject -Property @{
  'Dossier'               = if ($test -eq 1) {"$($logs[0])"} else {''}
  'Taille totale'         = [double]$logs[1]
  'Categorie recherchee'  = [double]$logs[2]
  'Pourcentage'           = [double]$logs[3]
  'Date de dernier acces' = [DateTime]$logs[5]
}