在web.config或者app.config中如何增加自定義配置節

這篇文章主要介紹在web.config或者app.config中如何增加自定義配置節，文中介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們一定要看完！

簡單鍵值對

web.config

<configSections>
                                                                                                                            
   <section name="users" type="System.Configuration.NameValueSectionHandler"/>
                                                                                                                             
                                                                                                                             
 </configSections>
 <users  configSource="users.config"></users>

users.config

<users>
  <add key="beijing" value="123"></add>
  <add key="tianjin" value="123"></add>
</users>

c#

NameValueCollection users = System.Configuration.ConfigurationManager.GetSection("users") as NameValueCollection;
            Response.Write(users.Keys[0]+"</br>"+users.Keys[1]);

復雜類型

web.config

<configSections>
                                                                         
<section name="roles" type="EBuy.Chapter3.NTier.WebUI.RolesConfig, EBuy.Chapter3.NTier.WebUI"/>
                                                                         
</configSections>
<roles configSource="roles.config">
  </roles>

roles.config

<roles>
  <add username="beijing" password="123"></add>
  <add username="tianjin" password="123"></add>
</roles>

RolesCofig.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace EBuy.Chapter3.NTier.WebUI
{
    public class RolesConfig : System.Configuration.IConfigurationSectionHandler
    {
        public object Create(object parent, object configContext, System.Xml.XmlNode section)
        {
            return section;
        }
    }
}

c#

XmlNode roles= System.Configuration.ConfigurationManager.GetSection("roles") as XmlNode;
           Response.Write(roles.ChildNodes [0].Attributes["username"].InnerText);

還可以將配置節定義為一個實體

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace EBuy.Chapter3.NTier.WebUI
{
    public class RolesConfig : System.Configuration.IConfigurationSectionHandler
    {
        public object Create(object parent, object configContext, System.Xml.XmlNode section)
        {
            var list=new List<Role>();
            for(int i=0;i<section.ChildNodes.Count;i++)
            {
                list.Add(new Role (){
                    Username =section.ChildNodes[i].Attributes["username"].InnerText ,
                    Password =section.ChildNodes[i].Attributes["password"].InnerText });
            }
            return list;
        }
    }
    public class Role
    {
        public string Username { get; set; }
        public string Password{get;set;}
    }
}

var roles = System.Configuration.ConfigurationManager.GetSection("roles") as List<EBuy.Chapter3.NTier.WebUI.Role >;
          Response.Write(roles.First ().Username);

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