PowerShell

Question

这对我来说真的很奇怪.. http 和 https 的看起来很好.. 端口 8080 和 8443 的不..

$ip="1.2.3.4"
$urls = "http://$ip","http://"$ip":8080","https://$ip","https://"$ip":8443"
foreach ($u in $urls)
{ 
"$u"
}

结果显示：

PS C:\Documents and Settings\user> D:\WORK\ps\test.ps1
Unexpected token 'ip' in expression or statement.
At D:\WORK\ps\test.ps1:2 char:37
+ $rsaurls = "http://$ip","http://"$ip <<<< ":8080","https://$ip","https://"$ip":8443"
    + CategoryInfo          : ParserError: (ip:String) [], ParentContainsErrorRecordException
    + FullyQualifiedErrorId : UnexpectedToken

如果我们删除引号..

$ip="1.2.3.4"
$urls = "http://$ip","http://$ip:8080","https://$ip","https://$ip:8443"
foreach ($u in $urls)
{ 
"$u"
}

And the results show:
PS C:\Documents and Settings\user> D:\WORK\ps\test.ps1
http://1.2.3.4
http://
https://1.2.3.4
https://

我想我需要转义“：”..

我更近..

$ip="1.2.3.4"
$urls = "http://$ip","http://$ip^:8080","https://$ip","https://$ip^:8443"
foreach ($u in $urls)
{ 
"$u"
}

结果：

PS C:\Documents and Settings\user> D:\WORK\ps\test.ps1
http://1.2.3.4
http://1.2.3.4^:8080
https://1.2.3.4
https://1.2.3.4^:8443

谢谢！

Answer 1

OK..用`字符转义成功了！

$ip="1.2.3.4"
$urls = "http://$ip","http://$ip`:8080","https://$ip","https://$ip`:8443"
foreach ($u in $urls)
{ 
"$u"
}

结果：

PS C:\Documents and Settings\user> D:\WORK\ps\test.ps1
http://1.2.3.4
http://1.2.3.4:8080
https://1.2.3.4
https://1.2.3.4:8443

Answer 2

我相信 PowerShell 将 $ip:8080 解释为范围为 "ip" 且名称为“8080”的变量。使用大括号明确变量名：

"https://${ip}:8080"

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