這是我在XPath,XQuery和Linq上下文中處理XML的第一天,我無法讓他們爲我工作。Linq從XML中選擇屬性
我的目標是提取XML Blob中AgentGUID和PublicKey的值。我正在使用的Linq查詢如下。
IEnumerable<string> publicKey =
from item in xDoc.Descendants("PublicKey")
select (string)item.????;
這裏是我想要選擇從XML:
<AgentRegister xmlns="sampleURI">
server
<Servername>server</Servername>
<AgentGUID>1da3a4cf-73f2-4ee2-b8c1-cef428ad4b21</AgentGUID>
<PublicKey><RSAKeyValue><Modulus>5fuiFE74EKYUxFbSsAgeYQwyGzulQ+L1auBD1J/1gupF2s2NugpgZ6vqsi4o//vKdrKz7uhwDWeRUB5TR7hljNfOsJKbTV0sg4HywF93cyYDnfKz+2wCSxiZxAIWV8SMiui2QuD0LjbgPNGR/bBsY4GIl3eWbngjJjNEzVZq5RE=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue></PublicKey>
<ApprovedByGUID><RSAKeyValue><Modulus>5fuiFE74EKYUxFbSsAgeYQwyGzulQ+L1auBD1J/1gupF2s2NugpgZ6vqsi4o//vKdrKz7uhwDWeRUB5TR7hljNfOsJKbTV0sg4HywF93cyYDnfKz+2wCSxiZxAIWV8SMiui2QuD0LjbgPNGR/bBsY4GIl3eWbngjJjNEzVZq5RE=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue></ApprovedByGUID>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
<SignedInfo>
<CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
<SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
<Reference URI="">
<Transforms>
<Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" /></Transforms>
<DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
<DigestValue>2HuOAQAAxOTWz2JSq9+bJnWM8m8=</DigestValue></Reference>
</SignedInfo>
<SignatureValue>yGKq/p/JQCWSJtVKeRp4E5kHeFWVaoMFd/TbrYIm6k3nYBgr57gcEZjzvrLNsmKKaoaWspSqMzTDnrhER5AkfMi+4nhW0C6+vghNYU/jrEqT35Ov/B3aH1M41q07p3OXZc8dA1lzJ6Zh0zpx6Vd7faTfvuPqgIKmNOe07xGyP2Q=</SignatureValue>
<KeyInfo><KeyValue><RSAKeyValue>
<Modulus>5fuiFE74EKYUxFbSsAgeYQwyGzulQ+L1auBD1J/1gupF2s2NugpgZ6vqsi4o//vKdrKz7uhwDWeRUB5TR7hljNfOsJKbTV0sg4HywF93cyYDnfKz+2wCSxiZxAIWV8SMiui2QuD0LjbgPNGR/bBsY4GIl3eWbngjJjNEzVZq5RE=</Modulus>
<Exponent>AQAB</Exponent></RSAKeyValue></KeyValue></KeyInfo>
</Signature>
</AgentRegister>
如何從這個文件中提取提到的值?
這是偉大的..但我意識到,'SignedXml()`需要的XMLDocument或的XMLElement。將不可信的XML加載到多個對象中有意義嗎?更多的安全風險?我應該只嘗試在XMLDocument的範圍內工作嗎? – LamonteCristo 2011-01-21 22:16:58