读取包含命名空间PowerShell的XML文件

全部,我正在尝试从Azure云服务定义xml文件或Azure云服务配置xml文件中读取角色信息.

但发现XPath不适用于他们.两个xml文件都包含名称空间.
默认情况下,命名空间没有别名.如果我为它添加别名.Visual studio会提醒我不允许.

说你的定义如下.并且XmlPath是/ ServiceDefinition / WebRole / @vmsize.我在XPath online tools测试了它,它也无法为我获得正确的价值.

<?xml version="1.0" encoding="utf-8"?>
<ServiceDefinition name="test" xmlns="http://schemas.microsoft.com/ServiceHosting/2008/10/ServiceDefinition" schemaVersion="2012-10.1.8">
  <WebRole name="test" vmsize="Small">
    <Sites>
      <Site name="Web">
        <Bindings>
          <Binding name="Endpoint1" endpointName="HttpsEndpoint" />
          <Binding name="Endpoint2" endpointName="HttpEndpoint" />
        </Bindings>
      </Site>
    </Sites>
    <Endpoints>
      <InputEndpoint name="HttpsEndpoint" protocol="https" port="443" certificate="Certificate1" />
      <InputEndpoint name="HttpEndpoint" protocol="http" port="80" />
    </Endpoints>
    <Imports>
      <Import moduleName="Diagnostics" />
      <Import moduleName="RemoteAccess" />
      <Import moduleName="RemoteForwarder" />
    </Imports>
    <Certificates>
      <Certificate name="Certificate1" storeLocation="LocalMachine" storeName="My" />
    </Certificates>
    <ConfigurationSettings>
      <Setting name="LogLevel" />
    </ConfigurationSettings>
  </WebRole>
</ServiceDefinition>

有没有办法使这个XPath工作？

将Select-Xml cmdlet与-XPath参数一起使用时,还需要指定命名空间.有关更多信息,请参阅此文章：

http://huddledmasses.org/xpath-and-namespaces-in-powershell/

这是一个完整的,有效的例子

$XmlDocument = [xml]@'
<?xml version="1.0" encoding="utf-8"?>
<ServiceDefinition name="test" xmlns="http://schemas.microsoft.com/ServiceHosting/2008/10/ServiceDefinition" schemaVersion="2012-10.1.8">
  <WebRole name="test" vmsize="Small">
    <Sites>
      <Site name="Web">
        <Bindings>
          <Binding name="Endpoint1" endpointName="HttpsEndpoint" />
          <Binding name="Endpoint2" endpointName="HttpEndpoint" />
        </Bindings>
      </Site>
    </Sites>
    <Endpoints>
      <InputEndpoint name="HttpsEndpoint" protocol="https" port="443" certificate="Certificate1" />
      <InputEndpoint name="HttpEndpoint" protocol="http" port="80" />
    </Endpoints>
    <Imports>
      <Import moduleName="Diagnostics" />
      <Import moduleName="RemoteAccess" />
      <Import moduleName="RemoteForwarder" />
    </Imports>
    <Certificates>
      <Certificate name="Certificate1" storeLocation="LocalMachine" storeName="My" />
    </Certificates>
    <ConfigurationSettings>
      <Setting name="LogLevel" />
    </ConfigurationSettings>
  </WebRole>
</ServiceDefinition>
'@;

$XmlNamespace = @{ azure = 'http://schemas.microsoft.com/ServiceHosting/2008/10/ServiceDefinition'; };

Select-Xml -Xml $XmlDocument -XPath '/azure:ServiceDefinition/azure:WebRole/@vmsize' -Namespace $XmlNamespace;

原文链接：https://www.f2er.com/xml/292286.html

读取包含命名空间PowerShell的XML文件

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