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Dotnet总结(4)--xml读写 |
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作者:未知 来源:月光软件站 加入时间:2005-5-13 月光软件站 |
读xml, public static string ReadXMLConfig(string strFileName, string sKey) { // string strFileName = "Brand.exe.config"; XmlDocument oXmlDocument = new XmlDocument(); string strReturn=""; try { oXmlDocument.Load(Application.StartupPath+"\\"+strFileName); XmlNodeList oXmlNodeList = oXmlDocument.DocumentElement.ChildNodes; foreach (XmlElement oXmlElement in oXmlNodeList) { if (oXmlElement.Name.ToLower() == "appsettings") { XmlNodeList _node = oXmlElement.ChildNodes; if (_node.Count > 0) { foreach (XmlElement _el in _node) { if (_el.Attributes["key"].InnerXml.ToLower() == sKey.ToLower()) { strReturn = _el.Attributes["value"].Value; break; } } } } } } catch (Exception exp) { if (sKey.ToLower() == "dsn") { strReturn = "Connect Timeout=5;server=localhost;database=Brand;uid=sa;pwd="; } XmlTextWriter oXmlTextWriter = new XmlTextWriter(strFileName, new System.Text.UTF8Encoding()); oXmlTextWriter.WriteStartDocument(); oXmlTextWriter.WriteStartElement("configuration"); oXmlTextWriter.WriteStartElement("appSettings"); oXmlTextWriter.WriteStartElement("add"); oXmlTextWriter.WriteAttributeString("key", sKey); oXmlTextWriter.WriteAttributeString("value", strReturn); oXmlTextWriter.WriteEndElement(); oXmlTextWriter.WriteEndElement(); oXmlTextWriter.WriteEndElement(); oXmlTextWriter.WriteEndDocument(); oXmlTextWriter.Close(); } return strReturn; }
// 写 private string WriteWebConfig(string sKey, string sValue) { string strFileName = "Brand.exe.config"; XmlDocument oXmlDocument = new XmlDocument(); try { oXmlDocument.Load(strFileName); XmlNodeList oXmlNodeList = oXmlDocument.DocumentElement.ChildNodes; foreach (XmlElement oXmlElement in oXmlNodeList) { if (oXmlElement.Name.ToLower() == "appsettings") { XmlNodeList _node = oXmlElement.ChildNodes; if (_node.Count > 0) { foreach (XmlElement _el in _node) { if (_el.Attributes["key"].InnerXml.ToLower() == sKey) { _el.Attributes["value"].Value = sValue; break; } } } } } } catch { return ""; } oXmlDocument.Save(strFileName); return sValue; }

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