http://snippets.dzone.com/posts Sat, 30 Aug 2008 09:01:35 GMT DZone Snippets: DotNet code http://snippets.dzone.com/posts/show/2820 // description of your code here <br /> <br /><code> <br />private int GetUnReadMailCount() <br />{ <br />string url=“http://mail.felixwoo.com/exchange/â€?; //指定Exchangeæœ?务器地å?€ <br />System.Net.HttpWebRequest Request; <br />System.Net.WebResponse Response; <br />System.Net.CredentialCache MyCredentialCache; <br />string strUserName = “wufâ€?; //指定登录的用户å?? <br />string strRootURI = url+strUserName ; //得到è¦?访问邮箱的WebDAV地å?€ <br />string strPassword = “123456â€?; //指定该用户的密ç ? <br />string strDomain = “felixwoo.comâ€?; //指定域å?? <br />string strQuery =""; <br />byte[] bytes = null; <br />System.IO.Stream RequestStream = null; <br />System.IO.Stream ResponseStream = null; <br />XmlDocument ResponseXmlDoc = null; <br />XmlNodeList HrefNodes= null; <br />XmlNodeList SizeNodes= null; <br />int count=0; <br />try <br />{ <br /> // 用SQL查询WebDAV返回结果中的unreadcount节点. <br /> strQuery = "<?xml version=\"1.0\"?><D:searchrequest xmlns:D = \"DAV:\" >" <br /> + "<D:sql>SELECT \"DAV:displayname\",\"urn:schemas:httpmail:unreadcount\" FROM \"" + strRootURI + "\"" <br /> + "</D:sql></D:searchrequest>"; <br /> <br /> // 创建新的CredentialCache对象，构建身份凭æ?® <br /> MyCredentialCache = new System.Net.CredentialCache(); <br /> MyCredentialCache.Add( new System.Uri(strRootURI), <br /> "NTLM", <br /> new System.Net.NetworkCredential(strUserName, strPassword, strDomain) <br /> ); <br /> <br /> // Create the HttpWebRequest object. <br /> Request = (System.Net.HttpWebRequest)HttpWebRequest.Create(strRootURI); <br /> <br /> // 指定HttpWebRequest的身份凭æ?®ï¼Œæ­¤å¤„为关键所在。如果使用之å‰? <br /> // 创建的MyCredentialCache，则这个身份凭æ?®æ˜¯å?¯ä»¥ä»ŽWebæœ?务器传递 <br /> // 到Exchangeæœ?务器的，但是这样带æ?¥çš„问题也很明显，就是ä¸?能够自 <br /> // 动获å?–当å‰?登录到域的用户的身份。å?³ä¾¿å·²ç»?æˆ?功登录到域，那也å?ª <br /> // 能通过formå†?次输入用户å??密ç ?。因此，我在这里用的是 <br /> // Request.Credentials = CredentialCache.DefaultCredentials， <br /> // 这样便å?¯ä»¥èŽ·å¾—当å‰?用户的凭æ?®ï¼Œä½†æ˜¯è¿™æ ·å¸¦æ?¥çš„问题便是上é?¢æ??到的 <br /> // 身份凭æ?®æ— æ³•ä¼ é€’的问题，解决方法请关注下篇文章。 <br /> Request.Credentials = MyCredentialCache; <br /> <br /> // 指定WebDAVçš„SEARCH方法 <br /> Request.Method = "SEARCH"; <br /> <br /> // Encode the body using UTF-8. <br /> bytes = Encoding.UTF8.GetBytes((string)strQuery); <br /> <br /> // Set the content header length. This must be <br /> // done before writing data to the request stream. <br /> Request.ContentLength = bytes.Length; <br /> <br /> // Get a reference to the request stream. <br /> RequestStream = Request.GetRequestStream(); <br /> <br /> // Write the SQL query to the request stream. <br /> RequestStream.Write(bytes, 0, bytes.Length); <br /> <br /> // Close the Stream object to release the connection <br /> // for further use. <br /> RequestStream.Close(); <br /> <br /> // Set the content type header. <br /> Request.ContentType = "text/xml"; <br /> <br /> // Send the SEARCH method request and get the <br /> // response from the server. <br /> Response = (HttpWebResponse)Request.GetResponse(); <br /> <br /> // Get the XML response stream. <br /> ResponseStream = Response.GetResponseStream(); <br /> <br /> // 创建XmlDocument对象，并获å?–收件箱的unreadcount节点的值 <br /> ResponseXmlDoc = new XmlDocument(); <br /> ResponseXmlDoc.Load(ResponseStream); <br /> HrefNodes = ResponseXmlDoc.GetElementsByTagName("a:displayname"); <br /> SizeNodes = ResponseXmlDoc.GetElementsByTagName("d:unreadcount"); <br /> for(int i=0;i<HrefNodes.Count;i++) <br /> { <br /> if(HrefNodes[i].InnerText=="收件箱") <br /> count=int.Parse(SizeNodes[i].InnerText); <br /> } <br /> ResponseStream.Close(); <br /> Response.Close(); <br />} <br />catch(Exception) <br />{ <br /> // Catch any exceptions. Any error codes from the SEARCH <br /> // method request on the server will be caught here, also. <br /> return -1; <br />} <br />return count; <br />} <br /></code> Sun, 15 Oct 2006 07:10:59 GMT http://snippets.dzone.com/posts/show/2820 mornlee (mornlee)