1
所以我们可以说我有一个简单的XML文档是这样的:的XPath //操作不工作
<a>
<b>
<c>blah</c>
<c>blah</c>
<d>blargh</d>
</b>
</a>
我要选择“C”元素。
这里是什么,我相信应该工作:
Select-Xml -Xml $XmlDoc -XPath '//c';
虽然这个例子本身的工作原理,这类似的概念是不是这个XML文档中返回任何东西:
<?xml version="1.0" encoding="utf-8"?>
<Response xmlns="http://schemas.microsoft.com/search/local/ws/rest/v1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Copyright>Copyright © 2012 Microsoft and its suppliers. All rights reserved. This API cannot be accessed and the content and any results may not be used, reproduced or transmitted in any manner without express written permission from Microsoft Corporation.</Copyright>
<BrandLogoUri>http://dev.virtualearth.net/Branding/logo_powered_by.png</BrandLogoUri>
<StatusCode>200</StatusCode>
<StatusDescription>OK</StatusDescription>
<AuthenticationResultCode>ValidCredentials</AuthenticationResultCode>
<TraceId>985236ecd4b04793ac26f72a218a3876|LAXM001505|02.00.127.100|</TraceId>
<ResourceSets>
<ResourceSet>
<EstimatedTotal>1</EstimatedTotal>
<Resources>
<TrafficIncident>
<Point>
<Latitude>41.82048</Latitude>
<Longitude>-88.20378</Longitude>
</Point>
<IncidentId>1</IncidentId>
<LastModifiedUTC>2012-05-01T16:17:15.663Z</LastModifiedUTC>
<StartTimeUTC>2011-05-01T19:46:00Z</StartTimeUTC>
<EndTimeUTC>2012-11-11T14:00:00Z</EndTimeUTC>
<Type>Construction</Type>
<Severity>Minor</Severity>
<Verified>true</Verified>
<RoadClosed>false</RoadClosed>
<Description>description here</Description>
<DetourInfo />
<LaneInfo>lane blockages possible</LaneInfo>
<CongestionInfo />
</TrafficIncident>
</Resources>
</ResourceSet>
</ResourceSets>
</Response>
有谁知道正确的语法选择TrafficIncident
元素而不必指定完整路径?
这就是所有你需要得到的c节点。 –
http://huddledmasses.org/xpath-and-namespaces-in-powershell/ – mzjn
你显然忘记了命名空间;-) – Joey