Dar*_*te1 0 parameters powershell type-conversion
我创建了一个高级功能，可以根据Mjolinor提出的答案发送电子邮件。但是，我在让它接受 HTML 代码块时遇到了困难。它抱怨System.String无法转换为System.Management.Automation.SwitchParameter.
对于我的 HTML 代码，我使用了一个 here 字符串，当使用 like 时它可以正常工作，Send-MailMessage -BodyAsHtml $HTML但当我尝试如下时则不行。而且我似乎无法弄清楚如何转换它以便它起作用。
错误：
An error occurred while enumerating through a collection: Collection was modified; enumeration operation may not execute..
At S:\Test.ps1:168 char:9
+ $EmailParams.keys | Where {$EmailParams.$_ -eq $null} | foreach {$EmailP ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (System.Collecti...tableEnumerator:HashtableEnumerator) [], RuntimeException
+ FullyQualifiedErrorId : BadEnumeration
Failed to send email to User@domain.net due to: Cannot convert 'System.String' to the type 'System.Management.Automation.SwitchParameter' required by parameter 'BodyAsHtml'.
编码：
$HTML = @"
<!DOCTYPE html>
<html><head><style type="text/css">
body {font-family:verdana;background-color:white;}
h1 {background-color:black;color:white;margin-bottom:5px;}
h2 {background-color:lightGrey;margin-top:5px;}
h3 {margin-left:10px;font-size: 14px;}
p {font-size: 14px;margin-left:10px;}
p.italic {font-style: italic;font-size: 12px;}
table, td, th {font-size: 14px;border-collapse: collapse; border: 1px lightGrey; padding: 3px; text-align: left; padding-right:10px;}
li {font-size: 14px;}
base {target="_blank"}
</style></head><body>
<h1> $(if(!$ScriptName){"Test"}else{$ScriptName})</h1>
<h2> The following has been reported:</h2>
$Messages
</body></html>
"@
$EmailParams = @{
To = $To
Cc = $Cc
From = $From
Subject = $Subject
BodyAsHtml = $HTML
Priority = $Priority
SMTPServer = $SMTPserver
Attachments = $Attachment
ErrorAction = 'Stop'
}
$EmailParams.keys | Where {$EmailParams.$_ -eq $null} | foreach {$EmailParams.Remove($_)}
Try { Send-MailMessage @EmailParams }
Catch { "Failed to send email to $($To) due to: $_" }
Finally {}
此人也有类似的问题，但也仅仅是走到一个System.String为-Body。
感谢您的帮助。
这里有两件事不对：
BodyAsHtml是一个布尔值 ( $True)，因此您需要使用它Body来提供您的 HTML 代码。foreach循环。完整答案：
$HTML = @"
<!DOCTYPE html>
<html><head><style type="text/css">
body {font-family:verdana;background-color:white;}
h1 {background-color:black;color:white;margin-bottom:5px;}
h2 {background-color:lightGrey;margin-top:5px;}
h3 {margin-left:10px;font-size: 14px;}
p {font-size: 14px;margin-left:10px;}
p.italic {font-style: italic;font-size: 12px;}
table, td, th {font-size: 14px;border-collapse: collapse; border: 1px lightGrey; padding: 3px; text-align: left; padding-right:10px;}
li {font-size: 14px;}
base {target="_blank"}
</style></head><body>
<h1> $(if(!$ScriptName){"Test"}else{$ScriptName})</h1>
<h2> The following has been reported:</h2>
$Messages
</body></html>
"@
$EmailParams = @{
To = $To
Cc = $Cc
Bcc = $Bcc
From = $From
Subject = $Subject
Body = $HTML
BodyAsHtml = $True
Priority = $Priority
SMTPServer = $SMTPserver
Attachments = $Attachments
ErrorAction = 'Stop'
}
$list = New-Object System.Collections.ArrayList
foreach ($h in $EmailParams.Keys) {
if ($($EmailParams.Item($h)) -eq $null) {
$null = $list.Add($h)
}
}
foreach ($h in $list) {
$EmailParams.Remove($h)
}
Try {
Send-MailMessage @EmailParams
Write-Verbose "Send-Mail: Sending mail to: $To"
}
Catch {
"Failed to send email to $($To) due to: $_"
}
如有疑问，请阅读文档。BodyAsHtml是一个布尔值，指示正文是否包含 HTML。您仍然需要通过Body参数传递实际主体。改变这个：
$EmailParams = @{
To = $To
Cc = $Cc
From = $From
Subject = $Subject
BodyAsHtml = $HTML
Priority = $Priority
SMTPServer = $SMTPserver
Attachments = $Attachment
ErrorAction = 'Stop'
}进入这个：
$EmailParams = @{
To = $To
Cc = $Cc
From = $From
Subject = $Subject
Body = $HTML
BodyAsHtml = $true
Priority = $Priority
SMTPServer = $SMTPserver
Attachments = $Attachment
ErrorAction = 'Stop'
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