C#快速修改IP工具

前言：工作时经常需要对笔记本电脑的 IP 进行切换，为了实现快速切换 IP，就写了这个小程序。
说明：
1、实现 IP 查询；
2、可配置参数文件；
3、主动写入 IP 地址，子网掩码，网关；
4、更改自动获取 IP。

二、源代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Management;
using System.Threading;
using System.Configuration;

namespace Change_IP
{
    public partial class change_ip : Form
    {
        public change_ip()
        {
            InitializeComponent();
            string ip1_name = ConfigurationManager.AppSettings["IP1_Name"];
            string ip2_name = ConfigurationManager.AppSettings["IP2_Name"];
            string ip3_name = ConfigurationManager.AppSettings["IP3_Name"];
            this.button1.Text = ip1_name;
            this.button2.Text = ip2_name;
            this.button3.Text = ip3_name;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string ip = ConfigurationManager.AppSettings["IP1"];
            string mask = ConfigurationManager.AppSettings["IP1_MASK"];
            string getway = ConfigurationManager.AppSettings["IP1_GETWAY"];
            setting_ip(ip, mask, getway);
            string name = ConfigurationManager.AppSettings["IP1_Name"];
            logs_out(name + "设置完成。");
        }

        private void button4_Click(object sender, EventArgs e)
        {
            ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection moc = wmi.GetInstances();
            //ManagementBaseObject outPar = null;
            foreach (ManagementObject mo in moc)
            {
                if (!(bool)mo["IPEnabled"])
                    continue;
                mo.InvokeMethod("SetDNSServerSearchOrder", null);
                mo.InvokeMethod("EnableDHCP", null);
            }
            logs_out("自动获取 IP 设置完成。");
        }

        private void button5_Click(object sender, EventArgs e)
        {
            string name = Dns.GetHostName();
            IPAddress[] ipadrlist = Dns.GetHostAddresses(name);
            foreach (IPAddress ipa in ipadrlist)
            {
                if (ipa.AddressFamily == AddressFamily.InterNetwork)
                {
                    logs_out(ipa.ToString());
                }
                else
                {
                    continue;
                    //this.list_logs.Items.Add(ipa.ToString());
                }
            }
        }

        private void setting_ip(string ip,string mask,string getway)
        {
            ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection moc = wmi.GetInstances();
            ManagementBaseObject inPar = null;
            ManagementBaseObject outPar = null;
            foreach (ManagementObject mo in moc)
            {
                if (!(bool)mo["IPEnabled"])
                    continue;
                //设置 IP 地址和子网掩码 
                inPar = mo.GetMethodParameters("EnableStatic");
                inPar["IPAddress"] = new string[] { ip };
                System.Console.Out.WriteLine(inPar["IPAddress"].ToString());
                inPar["SubnetMask"] = new string[] { mask };
                System.Console.Out.WriteLine(inPar["SubnetMask"].ToString());
                outPar = mo.InvokeMethod("EnableStatic", inPar, null);
                //设置网关地址  
                inPar = mo.GetMethodParameters("SetGateways");
                inPar["DefaultIPGateway"] = new string[] { getway };
                //inPar["DefaultIPGateway"] = new string[] { "10.4.250.254" };
                outPar = mo.InvokeMethod("SetGateways", inPar, null);
                //设置 DNS  
                //inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");
                //inPar["DNSServerSearchOrder"] = new string[] { "10.4.246.1", "8.8.8.8" }; // 1.DNS 2.备用 DNS  
                //outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null); break;
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string ip = ConfigurationManager.AppSettings["IP2"];
            string mask = ConfigurationManager.AppSettings["IP2_MASK"];
            string getway = ConfigurationManager.AppSettings["IP2_GETWAY"];
            setting_ip(ip, mask, getway);
            string name = ConfigurationManager.AppSettings["IP2_Name"];
            logs_out(name + "设置完成。");
        }

        private void button3_Click(object sender, EventArgs e)
        {
            string ip = ConfigurationManager.AppSettings["IP3"];
            string mask = ConfigurationManager.AppSettings["IP3_MASK"];
            string getway = ConfigurationManager.AppSettings["IP3_GETWAY"];
            setting_ip(ip, mask, getway);
            string name = ConfigurationManager.AppSettings["IP3_Name"];
            logs_out(name+"设置完成。");
        }
        private void logs_out(string logs)
        {
            string now_time = DateTime.Now.ToLocalTime().ToString("hh:mm:ss");
            this.list_logs.Items.Insert(0,(now_time+"==>"+logs));

        }
        private void label1_Click(object sender, EventArgs e)
        {
            MessageBox.Show("版本号：2021.0227.1442", "版本说明");
        }
    }
}

三、Config 配置文件

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
    </startup>
    <appSettings>
        <add key="IP1_Name" value="监狱管理局"></add>
        <add key="IP1" value="10.1.115.166"></add>
        <add key="IP1_MASK" value="255.255.255.0"></add>
        <add key="IP1_GETWAY" value="10.1.115.254"></add>
        <add key="IP2_Name" value="未管所"></add>
        <add key="IP2" value="10.16.53.37"></add>
        <add key="IP2_MASK" value="255.255.255.0"></add>
        <add key="IP2_GETWAY" value="10.6.53.254"></add>
        <add key="IP3_Name" value="省一监"></add>
        <add key="IP3" value="10.2.107.166"></add>
        <add key="IP3_MASK" value="255.255.255.0"></add>
        <add key="IP3_GETWAY" value="10.2.107.254"></add>
    </appSettings>
</configuration>

四、文件下载地址
百度云提取码: 545p