PowerShell不允许我将XML节点添加到XML文件（使用PowerShell 5.1.183）

阿什温·阿加赫德（Ashwin Agarkhed）

从一个星期开始，我一直试图将XML节点附加到父XML元素上，从而使我陷入困境。子节点和父节点如下所示：

[xml]$childxml = @"
<ClaimsProvider>
    <Bomain> hey there</Bomain>
    <Name>Login using </Name>
    <TechnicalProfiles>
        <TechnicalProfile Id="MIDC-What">
            <DisplayName> Employee</DisplayName>
            <Description>Login with your account</Description>
            <Protocol Name="OpenIdConnect" />
            <Metadata>
                <Item Key="METADATA">https://login.microsoftonline.com</Item>
                <Item Key="client_id">Mangal</Item>
                <Item Key="ValidTokenIssuerPrefixes">https://login.microsoftonline.com</Item>
            </Metadata>
            <Cryptograph>
                <Key Id="client_secret" StorageReferenceId="key" />
            </Cryptograph>
            <IncludeTechnicalProfile ReferenceId="MIDC-Shared" />
        </TechnicalProfile>
    </TechnicalProfiles>
</ClaimsProvider>
"@

我想这个孩子节点添加到该文件（文件名：permissions.xml）

<TrustFrameworkPolicy xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"">
  <BasePolicy>
  </BasePolicy>
  <BuildingBlocks></BuildingBlocks>
  <ClaimsProviders>
    <ClaimsProvider>
    <Bomain> hey there 1</Bomain>
    <Name>Login using </Name>
    <TechnicalProfiles>
        <TechnicalProfile Id="MIDC-What">
            <DisplayName> Employee</DisplayName>
            <Description>Login with your account</Description>
            <Protocol Name="OpenIdConnect" />
            <Metadata>
                <Item Key="METADATA">https://login.microsoftonline.com</Item>
                <Item Key="client_id">Mangal</Item>
                <Item Key="ValidTokenIssuerPrefixes">https://login.microsoftonline.com</Item>
            </Metadata>
            <Cryptograph>
                <Key Id="client_secret" StorageReferenceId="key" />
            </Cryptograph>
            <IncludeTechnicalProfile ReferenceId="MIDC-Shared" />
        </TechnicalProfile>
    </TechnicalProfiles>
</ClaimsProvider>
    <ClaimsProvider>
    <Bomain> hey there 2</Bomain>
    <Name>Login using </Name>
    <TechnicalProfiles>
        <TechnicalProfile Id="MIDC-What">
            <DisplayName> Employee</DisplayName>
            <Description>Login with your account</Description>
            <Protocol Name="OpenIdConnect" />
            <Metadata>
                <Item Key="METADATA">https://login.microsoftonline.com</Item>
                <Item Key="client_id">Mangal</Item>
                <Item Key="ValidTokenIssuerPrefixes">https://login.microsoftonline.com</Item>
            </Metadata>
            <Cryptograph>
                <Key Id="client_secret" StorageReferenceId="key" />
            </Cryptograph>
            <IncludeTechnicalProfile ReferenceId="MIDC-Shared" />
        </TechnicalProfile>
    </TechnicalProfiles>
</ClaimsProvider>
    <ClaimsProvider>
    <Bomain> hey there 3</Bomain>
    <Name>Login using </Name>
    <TechnicalProfiles>
        <TechnicalProfile Id="MIDC-What">
            <DisplayName> Employee</DisplayName>
            <Description>Login with your account</Description>
            <Protocol Name="OpenIdConnect" />
            <Metadata>
                <Item Key="METADATA">https://login.microsoftonline.com</Item>
                <Item Key="client_id">Mangal</Item>
                <Item Key="ValidTokenIssuerPrefixes">https://login.microsoftonline.com</Item>
            </Metadata>
            <Cryptograph>
                <Key Id="client_secret" StorageReferenceId="key" />
            </Cryptograph>
            <IncludeTechnicalProfile ReferenceId="MIDC-Shared" />
        </TechnicalProfile>
    </TechnicalProfiles>
</ClaimsProvider>
  </ClaimsProviders>
</TrustFrameworkPolicy>

我现在正在这样做：

将文档保存在变量中

$doc = [xml](Get-Content permissions.xml)

将子变量追加到$ doc xml

[Void]$doc.TrustFrameworkPolicy.ClaimsProviders.AppendChild($childxml)

我收到以下错误：

使用参数“ 1”调用“ AppendChild”的异常：“由于指定的节点类型错误，因此无法将指定的节点作为该节点的有效子节点插入。”

zett42

您不能附加XmlNode来自其他XML文档的。相反，您必须从文档创建一个节点以附加到：

$childxml = $doc.CreateDocumentFragment()
$childxml.InnerXml = @'
<ClaimsProvider>
    <Bomain> hey there</Bomain>
    <Name>Login using </Name>
    <TechnicalProfiles>
        <TechnicalProfile Id="MIDC-What">
            <DisplayName> Employee</DisplayName>
            <Description>Login with your account</Description>
            <Protocol Name="OpenIdConnect" />
            <Metadata>
                <Item Key="METADATA">https://login.microsoftonline.com</Item>
                <Item Key="client_id">Mangal</Item>
                <Item Key="ValidTokenIssuerPrefixes">https://login.microsoftonline.com</Item>
            </Metadata>
            <Cryptograph>
                <Key Id="client_secret" StorageReferenceId="key" />
            </Cryptograph>
            <IncludeTechnicalProfile ReferenceId="MIDC-Shared" />
        </TechnicalProfile>
    </TechnicalProfiles>
</ClaimsProvider>
'@

[Void]$doc.TrustFrameworkPolicy.ClaimsProviders.AppendChild($childxml)

另请参见：将XML字符串块附加到现有XmlDocument

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