.Net 自定义应用程序配置 configSections

2021-07-14 07:19:53

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"?>

<!--

  有关如何配置 ASP.NET 应用程序的详细消息，请访问

  http://go.microsoft.com/fwlink/?LinkId=169433

  -->

<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。

http://files.cnblogs.com/yelaiju/configSectionsDemo.rar

本文转自火地晋博客园博客，原文链接：http://www.cnblogs.com/yelaiju/archive/2013/05/15/3080909.html，如需转载请自行联系原作者

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