<configSections><!--以NameValue键值/对的形式返回配置节中的信息--><section name="Person" type="System.Configuration.NameValueSectionHandler"/><!--以Dictionary字典键值对的形式返回配置节中的信息--><section name="Man" type="System.Configuration.DictionarySectionHandler"/><!--基础结构。处理 .config 文件中由单个 XML 标记所表示的各配置节。--><section name="Name" type="System.Configuration.SingleTagSectionHandler" /></configSections><!--自定义配置节点--><Person><add key="老大" value="刘备" /><add key="老二" value="关羽" /><add key="老三" value="张飞" /></Person><Man><add key="老大" value="曹操" /><add key="老二" value="典韦" /><add key="老三" value="郭嘉" /></Man><!--注意是要单个节SingleTagSectionHandler才能处理，但是无论你索性有多少个也能处理--><Name one="1" two="2" three="3" four="4" five="5" />

        /// <summary>/// 获取配置文件/// </summary>private static void GetConfigs(){//读取人名NameValueCollection nvc = (NameValueCollection)ConfigurationManager.GetSection("Person");foreach (string key in nvc.AllKeys){Console.WriteLine(key + ":" + nvc[key]);}//读取男人IDictionary dict = (IDictionary)ConfigurationManager.GetSection("Man");foreach (string key in dict.Keys){Console.WriteLine(key + ":" + dict[key]);}IDictionary dict1 = (IDictionary)ConfigurationManager.GetSection("Name");foreach (string key in dict1.Keys){Console.WriteLine(key + ":" + dict1[key]);}}

  <configSections><!--把Framework节点的数据映射到ConfigFile类中--><section name="Framework" type="ConsoleApplication.ConfigFiles.ConfigFile,ConsoleApplication"/></configSections><!--自定义配置节点--><Framework configSource="ConfigFiles\Framework.config"/>

<Framework><Configs><add key="WebHost" value="127.0.0.1" description="网站基础地址"/><add key="LogTimer" value="10" description="日志定时写入的时间间隔，单位秒。"/></Configs>
</Framework>

  /// <summary>/// 配置文件类/// </summary>public class ConfigFile : ConfigurationSection{/// <summary>/// 配置节点/// </summary>/// <value>配置集合</value>[ConfigurationProperty("Configs", IsDefaultCollection = true)]public ConfigNodeCollection Configs{get{return (ConfigNodeCollection)base["Configs"];}}/// <summary>/// 获取配置字段值/// </summary>/// <param name="key">配置Key</param>/// <param name="defaultValue">默认值</param>/// <returns>配置值</returns>public string GetValueWithKey(string key, string defaultValue = ""){return this.Configs.GetValueWithKey(key, defaultValue);}}/// <summary>/// 配置节点列表/// </summary>public class ConfigNodeCollection : ConfigurationElementCollection{/// <summary>/// 构造函数/// </summary>public ConfigNodeCollection(){ConfigNode element = this.CreateNewElement() as ConfigNode;}/// <summary>/// 根据索引获取配置节点/// </summary>/// <param name="index">索引值</param>/// <returns>配置节点</returns>public ConfigNode this[int index]{get{return this.BaseGet(index) as ConfigNode;}set{if (this.BaseGet(index) != null){this.BaseRemoveAt(index);}this.BaseAdd(index, value);}}/// <summary>/// 获取配置字段值/// </summary>/// <param name="key">配置Key</param>/// <param name="defaultValue">默认值</param>/// <returns>配置值</returns>public string GetValueWithKey(string key, string defaultValue = ""){// 如果Key不存在则抛出异常if (string.IsNullOrWhiteSpace(key)){throw new Exception("get Config Key is null");}// 查找Key的值 // Key值忽略大小写foreach (ConfigNode item in this){if (item.Key.ToLower().Equals(key.ToLower())){return item.Value;}}// 如果默认值不为空，返回默认值if (!string.IsNullOrWhiteSpace(defaultValue)){return defaultValue;}// 抛出未找到Key的异常throw new Exception(string.Format("Key:{0} Is not find!", key));}/// <summary>/// 创建节点函数/// </summary>/// <returns>节点对象</returns>protected override ConfigurationElement CreateNewElement(){return new ConfigNode();}/// <summary>/// 获取节点Key/// </summary>/// <param name="element">节点对象</param>/// <returns>节点Key值</returns>protected override object GetElementKey(ConfigurationElement element){ConfigNode serverElement = element as ConfigNode;return serverElement.Key;}}/// <summary>/// 配置节点/// </summary>public class ConfigNode : ConfigurationElement{[ConfigurationProperty("key", IsRequired = true)]public string Key{get{return base["key"].ToString();}set{base["key"] = value;}}[ConfigurationProperty("value", IsRequired = true)]public string Value{get{return base["value"].ToString();}set{base["value"] = value;}}[ConfigurationProperty("description", IsRequired = true)]public string Description{get{return base["description"].ToString();}set{base["description"] = value;}}}

        /// <summary>/// 获取自定义配置文件/// </summary>private static void GetConfigs() {ConfigFile config = ConfigurationManager.GetSection("Framework") as ConfigFile;if (config == null){throw new Exception("未找到对应节点");}string WebHost = config.GetValueWithKey("WebHost");string LogTimer = config.GetValueWithKey("LogTimer");Console.WriteLine("WebHost:"+WebHost);Console.WriteLine("LogTimer:"+LogTimer);}