C#設(shè)置本地網(wǎng)絡(luò)如DNS、網(wǎng)關(guān)、子網(wǎng)掩碼、IP等等

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    手動(dòng)設(shè)置本地網(wǎng)絡(luò)的方法顯然很不可取,所以我們要讓程序幫我們完成,需要的朋友可以參考下
    如今網(wǎng)絡(luò)在我們的生活工作中所起的作用越來(lái)越大,可以說(shuō)離開(kāi)了網(wǎng)絡(luò)我們就無(wú)法正常的工作和生活。作為程序員我們寫(xiě)的程序大多數(shù)也會(huì)跟網(wǎng)絡(luò)相關(guān),而想要使用網(wǎng)絡(luò)首先要將機(jī)器的網(wǎng)絡(luò)配置設(shè)置好。而手動(dòng)設(shè)置的方法顯然很不可取,所以我們要讓程序幫我們完成。下面是一個(gè)很常用的C#設(shè)置系統(tǒng)各種網(wǎng)絡(luò)參數(shù)的一個(gè)小Demo一起看看吧。
    這個(gè)Demo是通過(guò)"Win32_NetworkAdapterConfiguration"這個(gè)管理類.這里面已基本包括了IP,DNS,網(wǎng)關(guān)的設(shè)置信息。
    在C#中使用WMI還是比較簡(jiǎn)單的:
    代碼如下:
    using System;
    using System.Collections.Generic;
    using System.Text;
    using System;
    using System.Collections;
    using System.Text;
    using System.Management;
    using System.Text.RegularExpressions;
    namespace Demo
    {
    /// <summary>
    /// 網(wǎng)絡(luò)設(shè)置類,設(shè)置網(wǎng)絡(luò)的各種參數(shù)(DNS、網(wǎng)關(guān)、子網(wǎng)掩碼、IP)
    /// </summary>
    public class NetworkSetting
    {
    public NetworkSetting()
    {
    // 構(gòu)造函數(shù)邏輯
    }
    /// <summary>
    /// 設(shè)置DNS
    /// </summary>
    /// <param name="dns"></param>
    public static void SetDNS(string[] dns)
    {
    SetIPAddress(null, null, null, dns);
    }
    /// <summary>
    /// 設(shè)置網(wǎng)關(guān)
    /// </summary>
    /// <param name="getway"></param>
    public static void SetGetWay(string getway)
    {
    SetIPAddress(null, null, new string[] { getway }, null);
    }
    /// <summary>
    /// 設(shè)置網(wǎng)關(guān)
    /// </summary>
    /// <param name="getway"></param>
    public static void SetGetWay(string[] getway)
    {
    SetIPAddress(null, null, getway, null);
    }
    /// <summary>
    /// 設(shè)置IP地址和掩碼
    /// </summary>
    /// <param name="ip"></param>
    /// <param name="submask"></param>
    public static void SetIPAddress(string ip, string submask)
    {
    SetIPAddress(new string[] { ip }, new string[] { submask }, null, null);
    }
    /// <summary>
    /// 設(shè)置IP地址,掩碼和網(wǎng)關(guān)
    /// </summary>
    /// <param name="ip"></param>
    /// <param name="submask"></param>
    /// <param name="getway"></param>
    public static void SetIPAddress(string ip, string submask, string getway)
    {
    SetIPAddress(new string[] { ip }, new string[] { submask }, new string[] { getway }, null);
    }
    /// <summary>
    /// 設(shè)置IP地址,掩碼,網(wǎng)關(guān)和DNS
    /// </summary>
    /// <param name="ip"></param>
    /// <param name="submask"></param>
    /// <param name="getway"></param>
    /// <param name="dns"></param>
    public static void SetIPAddress(string[] ip, string[] submask, string[] getway, string[] dns)
    {
    ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
    ManagementObjectCollection moc = wmi.GetInstances();
    ManagementBaseObject inPar = null;
    ManagementBaseObject outPar = null;
    foreach (ManagementObject mo in moc)
    {
    //如果沒(méi)有啟用IP設(shè)置的網(wǎng)絡(luò)設(shè)備則跳過(guò)
    if (!(bool) mo["IPEnabled"])
    continue;
    //設(shè)置IP地址和掩碼
    if (ip != null && submask != null)
    {
    inPar = mo.GetMethodParameters("EnableStatic");
    inPar["IPAddress"] = ip;
    inPar["SubnetMask"] = submask;
    outPar = mo.InvokeMethod("EnableStatic", inPar, null);
    }
    //設(shè)置網(wǎng)關(guān)地址
    if (getway != null)
    {
    inPar = mo.GetMethodParameters("SetGateways");
    inPar["DefaultIPGateway"] = getway;
    outPar = mo.InvokeMethod("SetGateways", inPar, null);
    }
    //設(shè)置DNS地址
    if (dns != null)
    {
    inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");
    inPar["DNSServerSearchOrder"] = dns;
    outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);
    }
    }
    }
    /// <summary>
    /// 啟用DHCP服務(wù)器
    /// </summary>
    public static void EnableDHCP()
    {
    ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
    ManagementObjectCollection moc = wmi.GetInstances();
    foreach (ManagementObject mo in moc)
    {
    //如果沒(méi)有啟用IP設(shè)置的網(wǎng)絡(luò)設(shè)備則跳過(guò)
    if (!(bool) mo["IPEnabled"])
    continue;
    //重置DNS為空
    mo.InvokeMethod("SetDNSServerSearchOrder", null);
    //開(kāi)啟DHCP
    mo.InvokeMethod("EnableDHCP", null);
    }
    }
    /// <summary>
    /// 判斷是否符合IP地址格式
    /// </summary>
    /// <param name="ip"></param>
    /// <returns></returns>
    public static bool IsIPAddress(string ip)
    {
    //將完整的IP以“.”為界限分組
    string[] arr = ip.Split('.');
    //判斷IP是否為四組數(shù)組成
    if (arr.Length != 4)
    return false;
    //正則表達(dá)式,1~3位整數(shù)
    string pattern = @"d{1,3}";
    for (int i = 0; i < arr.Length; i++)
    {
    string d = arr[i];
    //判斷IP開(kāi)頭是否為0
    if (i == 0 && d == "0")
    return false;
    //判斷IP是否是由1~3位數(shù)組成
    if (!Regex.IsMatch(d, pattern))
    return false;
    if (d != "0")
    {
    //判斷IP的每組數(shù)是否全為0
    d = d.TrimStart('0');
    if (d == "")
    return false;
    //判斷IP每組數(shù)是否大于255
    if (int.Parse(d) > 255)
    return false;
    }
    } return true;
    }
    }
    }