ExampleConfigurationSectionHandler

ExampleConfigurationSectionHandler.cs

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Configuration;
 4 using System.IO;
 5 using System.Linq;
 6 using System.Runtime.InteropServices.ComTypes;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Xml;
10 using System.Xml.Serialization;
11 
12 namespace SampleConfigSectionHandle
13 {
14     public sealed class ExampleConfigurationSectionHandler : IConfigurationSectionHandler
15     {
16         public object Create(object parent, object configContext, XmlNode section)
17         {
18             var xmlSerializer = new XmlSerializer(typeof(UserInfo));
19 
20             using (var stream = new MemoryStream(Encoding.Default.GetBytes(section.InnerXml)))
21             {
22                 var xmlNode = XmlReader.Create(stream);
23 
24                 return xmlSerializer.Deserialize(xmlNode);
25             }
26         }
27     }
28 
29     public class UserInfo
30     {
31         public string UserName { get; set; }
32 
33         public string UserPwd { get; set; }
34     }
35 }

App.config

 1 <?xml version="1.0" encoding="utf-8" ?>
 2 <configuration>
 3 
 4 
 5   <configSections>
 6 
 7     <!--示例配置节-->
 8     <section name="example" type="SampleConfigSectionHandle.ExampleConfigurationSectionHandler,SampleConfigSectionHandle"/>
 9 
10   </configSections>
11 
12   <startup>
13     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
14   </startup>
15   
16   <!--配置节实例-->
17   <example>
18 
19     <UserInfo>
20       <UserName>WangYa</UserName>
21       <UserPwd>123456</UserPwd>
22     </UserInfo>
23 
24   </example>
25 
26 </configuration>

Program.cs

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SampleConfigSectionHandle
{
    class Program
    {
        static void Main(string[] args)
        {
            var config = ConfigurationManager.GetSection("example") as UserInfo;

            if (config != null)
            {
                Console.WriteLine(config.UserName);
                Console.WriteLine(config.UserPwd);
            }

            Console.Read();
        }
    }
}