从指定的文件读取配置项

Posted 2020-06-13

/// <summary>
        /// 从指定的文件读取配置项
        /// </summary>
        /// <param name="fileName">配置文件</param>
        public static void GetConfig(string fileName,string key)
        {
            XmlDocument xmlDocument = new XmlDocument();
            xmlDocument.Load(fileName);
            string returnValue = string.Empty;
            XmlNodeList xmlNodeList = xmlDocument.SelectNodes("//appSettings/add");
            foreach (XmlNode xmlNode in xmlNodeList)
            {
                if (xmlNode.Attributes["key"].Value.ToUpper().Equals(key.ToUpper()))
                {
                    returnValue = xmlNode.Attributes["value"].Value;
                    break;
                }
            }
        }
<?xml version="1.0" encoding="utf-8" ?>

<configuration>
  <configSections>
    <sectionGroup name="userSettings_HJDSTM" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
      <section name="HJ.DSTM.MainForms.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
    </sectionGroup>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
  </configSections>

  <appSettings>
    <!-- DotNet.Business DotNet.Service DotNet.WCFClient xxf 2013-11-14-->
    <add key="Service" value="DotNet.Business" />