.Net 自定义应用程序配置 configSections

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.Net 自定义应用程序配置 configSections

参考:
http://www.cnblogs.com/wzh206/archive/2013/05/13/3076495.html
http://www.tracefact.net/CLR-and-Framework/Custom-Application-Configuration.aspx
web.config配置代码
<?xml version="1.0" encoding="utf-8"?>



<configuration>
    <configSections>
        <section name="mailServerGroup" type="configSectionsDemo.Config.MailServerConfigurationHandler, configSectionsDemo, Version=1.0.0.0, Culture=neutral"  />
    </configSections>
    <mailServerGroup provider="www.edong.com">
        <mailServer client="forum.tracefact.net">
            <address>mail1.tracefact.net</address>
            <userName>jimmyzhang</userName>
            <password>123456</password>
        </mailServer>
        <mailServer client="blog.tracefact.com">
            <address>mail2.tracefact.net</address>
            <userName>webmaster</userName>
            <password>456789</password>
        </mailServer>
    </mailServerGroup>
    <system.web>
        <compilation debug="true" targetFramework="4.0" />
    </system.web>

</configuration>
类代码
MailServer
using System.Collections;

namespace configSectionsDemo.Config
{
    public class MailServer
    {

        // 存储mailServer的子结点(Address,UserName,Password)的innerText值
        // 以及属性 Client 的值
        private Hashtable serverNode;

        public MailServer()
        {
            serverNode = new Hashtable();
        }

        public Hashtable ServerNode
        {
            get { return serverNode; }
        }

        public string Client
        {
            get { return serverNode["client"] as string; }
        }

        public string Address
        {
            get { return serverNode["address"] as string; }
        }

        public string UserName
        {
            get { return serverNode["userName"] as string; }
        }

        public string Password
        {
            get { return serverNode["password"] as string; }
        }
    }
}
MailServerConfig
using System.Collections.Generic;

namespace configSectionsDemo.Config
{
    public class MailServerConfig : List<MailServer>
    {
        private string provider;     // 对应 mailServerGroup 结点的provider 属性
        public string Provider
        {
            get { return provider; }
            set { provider = value; }
        }
    }
}
MailServerConfigurationHandler
using System.Configuration;
using System.Xml;

namespace configSectionsDemo.Config
{
    // 自定义配置结点 mailServerGroup 的处理程序
    public class MailServerConfigurationHandler : IConfigurationSectionHandler
    {

        // section 为 MailServerGroup 结点
        public object Create(object parent, object configContext, XmlNode section)
        {

            // 设置方法返回的配置对象，可以是任何类型
            MailServerConfig config = new MailServerConfig();

            // 获取结点的属性信息
            config.Provider =
                section.Attributes["provider"] == null ? "" : section.Attributes["provider"].Value;

            // 获取 MailServer 结点
            foreach (XmlNode child in section.ChildNodes)
            {

                MailServer server = new MailServer();

                // 添加Client属性
                if (child.Attributes["client"] != null)
                    server.ServerNode.Add("client", child.Attributes["client"].Value);

                // 获取MailServer下的 Name,UserName,Password 结点
                foreach (XmlNode grandChild in child.ChildNodes)
                {

                    // 添加文本
                    server.ServerNode.Add(grandChild.Name, grandChild.InnerText);
                }

                // 将server加入 MailServerConfig
                config.Add(server);
            }
            return config;
        }
    }
}
页面代码
aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="configSectionsTest.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1>
            使用自定义结点和自定义处理程序</h1>
        <b>MailServerGroup Provider</b>:
        <asp:Literal ID="ltrServerProvider" runat="server"></asp:Literal>
        <h2>
            Mail Server1(Client:<asp:Literal ID="ltrClient1" runat="server"></asp:Literal>) Information:</h2>
        <hr />
        <b>Address</b>:
        <asp:Literal ID="ltrAddress1" runat="server"></asp:Literal>
        <br />
        <b>UserName</b>:
        <asp:Literal ID="ltrUserName1" runat="server"></asp:Literal><br />
        <b>Password</b>:
        <asp:Literal ID="ltrPassword1" runat="server"></asp:Literal>
        <h2>
            Mail Server2(Client:<asp:Literal ID="ltrClient2" runat="server"></asp:Literal>) Information:</h2>
        <hr />
        <b>Address</b>:
        <asp:Literal ID="ltrAddress2" runat="server"></asp:Literal>
        <br />
        <b>UserName</b>:
        <asp:Literal ID="ltrUserName2" runat="server"></asp:Literal><br />
        <b>Password</b>:
        <asp:Literal ID="ltrPassword2" runat="server"></asp:Literal>
        <br />
        <br />
    </div>
    </form>
</body>
</html>
页面后端代码
using System;
using System.Configuration;
using configSectionsDemo.Config;

namespace configSectionsTest
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        // SimpleCustom.aspx.cs
        protected void Page_Load(object sender, EventArgs e)
        {
            // 获取 mailServerConfig 对象
            MailServerConfig mailConfig = (MailServerConfig)ConfigurationManager.GetSection("mailServerGroup");

            // 获取 MailServerGroup 结点的 Provider 属性
            ltrServerProvider.Text = mailConfig.Provider;

            // 获取第一租 MailServer 数据
            ltrClient1.Text = mailConfig[0].Client;
            ltrAddress1.Text = mailConfig[0].Address;
            ltrUserName1.Text = mailConfig[0].UserName;
            ltrPassword1.Text = mailConfig[0].Password;

            // 获取第二租 MailServer 数据
            ltrClient2.Text = mailConfig[1].Client;
            ltrAddress2.Text = mailConfig[1].Address;
            ltrUserName2.Text = mailConfig[1].UserName;
            ltrPassword2.Text = mailConfig[1].Password;
        }
    }
}
也是为了方便阅读参考，特简单摘录在此。代码一看就明白。
附上demo源码吧，一调试就明了。
https://files.cnblogs.com/yelaiju/configSectionsDemo.rar

作者：火地晋
出处： http://yelaiju.cnblogs.com
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。

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原文地址：https://www.cnblogs.com/yelaiju/p/3080909.html

.Net 自定义应用程序配置 configSections

web.config配置代码

类代码

MailServer

MailServerConfig

MailServerConfigurationHandler

页面代码

aspx

页面后端代码