c# – 使用xPath循环遍历项目

概述我试着循环一个xml文档,我仍然在第二次迭代中得到第一个元素,不知道我错过了什么.有人可以帮忙吗？ Xpath很新 string file = HttpContext.Current.Server.MapPath("~/XML/Locations.xml"); Dictionary<string, Location> locationCollection = new Dictionary 我试着循环一个xml文档,我仍然在第二次迭代中得到第一个元素,不知道我错过了什么.有人可以帮忙吗？ Xpath很新

string file = httpContext.Current.Server.MapPath("~/XML/Locations.xml");    Dictionary<string,Location> locationCollection = new Dictionary<string,Location>();        XPathdocument xdocument = new XPathdocument(file);        XPathNavigator xPathNavigator = xdocument.CreateNavigator();        foreach (XPathNavigator node in xPathNavigator.Select("//locations/*"))        {            string value = node.SelectSingleNode("/locations/location/cell").Value;        }    <?xml version="1.0" enCoding="utf-8" ?><locations>  <location>    <locationname>GlenDale</locationname>    <street>3717 San Fernando Road</street>    <city>GlenDale</city>    <state>CA</state>    <zipcode>91204</zipcode>    <generalManager>DJ Eldon</generalManager>    <phone>(818) 552‐6246</phone>    <tollFree>(888) 600‐6011</tollFree>    <fax>(818) 552‐6248</fax>    <cell>(347) 834‐2249</cell>    <counterEmail>BUR@EaglerIDer.com</counterEmail>    <directEmail>DJ@EaglerIDer.com</directEmail>  </location>  <location>    <locationname>Chicago</locationname>    <street>1301 S. Harlem Ave.</street>    <city>Chicago</city>    <state>IL</state>    <zipcode>60402</zipcode>    <generalManager>Dave Schnulle</generalManager>    <phone>(708) 749‐1500</phone>    <tollFree>(888) 966‐1500</tollFree>    <fax>(818) 552‐6248</fax>    <cell>(708) 749‐3800</cell>    <counterEmail>ORD@EaglerIDer.com</counterEmail>    <directEmail>Dave@EaglerIDer.com</directEmail>  </location>  </locations>

解决方法 您通过使用前导斜杠返回到文档根目录,实际上忽略了节点的值.试试这个：

// This assumes that there are only location nodes under locations;// You may want to use //locations/location insteadforeach (XPathNavigator node in xPathNavigator.Select("//locations/*")){    string value = node.SelectSingleNode("cell").Value;    // Use value}

话虽如此,您是否有任何理由不在单个XPath查询中执行此 *** 作？

// name changed to avoID scrolling :)foreach (XPathNavigator node in navigator.Select("//locations/location/cell")){    string value = node.Value;    // Use value}

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