<?xml version="1.0" encoding="utf-8" ?>
<root><company id="6b357589b12f6141fc48c4b0375ef2f9"><Wordkey id="5f499e85ed57a5af01fdc0ab05d8b3d2">广州</Wordkey></company><company id="8ebd5d853db2ee913b3c1bf685741b52"><Wordkey id="77bf607cefce3aea33913505dca3bfdb">深圳</Wordkey></company><!--全部--><company id="a8b0c20416853bda54120bf19477ad11"><Wordkey id="1e5142e81a34260029e8dc84c21d00d3">北京,上海,广州,深圳,珠海,东莞,青岛,连云港市</Wordkey></company>
</root>

 public class NewWebsiteHomeLogic{#region 当前类的实例private static readonly NewWebsiteHomeLogic logicInstances = new NewWebsiteHomeLogic();private NewWebsiteHomeLogic() { }public static NewWebsiteHomeLogic GetInstances(){return logicInstances;}#endregion#region 获取关键字的列表/// <summary>/// 获取关键字的列表/// </summary>/// <param name="companyID">用户所属公司ID</param>/// <returns></returns>public string[] GetDependencyList(string companyID){return GetDependencyList(companyID, string.Empty);}#endregion#region 获取关键字的列表/// <summary>///获取关键字的列表/// </summary>/// <param name="companyID">用户所属公司id</param>/// <param name="wordkeyID">关键字ID</param>/// <returns></returns>public string[] GetDependencyList(string companyID, string wordkeyID){if (string.IsNullOrEmpty(companyID)){return null;}XmlDocument doc = GetDocument();XmlNode node = GetNode(companyID, wordkeyID, doc);if (string.IsNullOrEmpty(node.InnerText) || node == null){return null;}var xmlNodeText = node.InnerText;xmlNodeText = xmlNodeText.Replace("\r", string.Empty).Replace("\n", string.Empty).Replace(" ", string.Empty);xmlNodeText = Core.Utility.FilterRepeatItem(xmlNodeText, new char[] { ',' });var array = xmlNodeText.Split(new char[] { ',' });return array;}#endregion#region 获取xml节点private XmlNode GetNode(string companyID, string wordkeyID, XmlDocument doc){if (string.IsNullOrEmpty(companyID) || doc == null){return null;}XmlNode node = null;string xpath = "/root/company[@id='" + companyID + "']";node = doc.SelectSingleNode(xpath);if (node == null || node.HasChildNodes == false){return null;}if (string.IsNullOrEmpty(wordkeyID)){xpath += "/Wordkey[@id='0']";}else{xpath += "/Wordkey[@id='" + wordkeyID + "']";}if ((node == null || string.IsNullOrEmpty(node.InnerText)) && string.IsNullOrEmpty(wordkeyID) == false){return GetNode(companyID, string.Empty, doc);}return node;}#endregion#region 获取xml文件private XmlDocument GetDocument(){XmlDocument doc = null;string path = System.Web.HttpContext.Current.Server.MapPath("~/config/NewWebsiteHome.xml");if (string.IsNullOrEmpty(path)){return null;}else{doc = new XmlDocument();doc.Load(path);}return doc;}#endregion}