C#WIFI搜索与连接
特別聲明，本文轉自：https://www.cnblogs.com/ywf520/p/6502452.html
1、功能搜索WIFI并連接
2、所用工具及資源：VS2012 Managed Wifi API（即：引用ManagedWifi.dll文件地址：http://files.cnblogs.com/files/ywf520/ManagedWifi.zip）
3、運行截圖及工程截圖：
?
工程目錄 結構
4、具體代碼實現
wifiSo.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using NativeWifi; namespace WifiConnect {class wifiSo{private WIFISSID ssid; //wifi ssidprivate string key; //wifi密碼public List<WIFISSID> ssids = new List<WIFISSID>();public wifiSo(){ssids.Clear();}public wifiSo(WIFISSID ssid, string key) {ssids.Clear();this.ssid = ssid;this.key = key;}//尋找當前連接的網絡：public static string GetCurrentConnection(){WlanClient client = new WlanClient();foreach (WlanClient.WlanInterface wlanIface in client.Interfaces){Wlan.WlanAvailableNetwork[] networks = wlanIface.GetAvailableNetworkList(0);foreach (Wlan.WlanAvailableNetwork network in networks){if (wlanIface.InterfaceState == Wlan.WlanInterfaceState.Connected && wlanIface.CurrentConnection.isState == Wlan.WlanInterfaceState.Connected){return wlanIface.CurrentConnection.profileName;}}}return string.Empty;}static string GetStringForSSID(Wlan.Dot11Ssid ssid){return Encoding.UTF8.GetString(ssid.SSID, 0, (int)ssid.SSIDLength);}/// <summary>/// 枚舉所有無線設備接收到的SSID/// </summary>public void ScanSSID(){WlanClient client = new WlanClient();foreach (WlanClient.WlanInterface wlanIface in client.Interfaces){// Lists all networks with WEP securityWlan.WlanAvailableNetwork[] networks = wlanIface.GetAvailableNetworkList(0);foreach (Wlan.WlanAvailableNetwork network in networks){WIFISSID targetSSID = new WIFISSID();targetSSID.wlanInterface = wlanIface;targetSSID.wlanSignalQuality = (int)network.wlanSignalQuality;targetSSID.SSID = GetStringForSSID(network.dot11Ssid);//targetSSID.SSID = Encoding.Default.GetString(network.dot11Ssid.SSID, 0, (int)network.dot11Ssid.SSIDLength);targetSSID.dot11DefaultAuthAlgorithm = network.dot11DefaultAuthAlgorithm.ToString();targetSSID.dot11DefaultCipherAlgorithm = network.dot11DefaultCipherAlgorithm.ToString();ssids.Add(targetSSID);}}} // 字符串轉Hexpublic static string StringToHex(string str){StringBuilder sb = new StringBuilder();byte[] byStr = System.Text.Encoding.Default.GetBytes(str); //默認是System.Text.Encoding.Default.GetBytes(str)for (int i = 0; i < byStr.Length; i++){sb.Append(Convert.ToString(byStr[i], 16));}return (sb.ToString().ToUpper());}// 連接到無線網絡public void ConnectToSSID(){try{String auth = string.Empty;String cipher = string.Empty;bool isNoKey = false;String keytype = string.Empty;//Console.WriteLine("》》》《《" + ssid.dot11DefaultAuthAlgorithm + "》》對比《《" + "Wlan.Dot11AuthAlgorithm.RSNA_PSK》》");switch (ssid.dot11DefaultAuthAlgorithm){case "IEEE80211_Open":auth = "open"; break;case "RSNA":auth = "WPA2PSK"; break;case "RSNA_PSK"://Console.WriteLine("電子設計wifi：》》》");auth = "WPA2PSK"; break;case "WPA":auth = "WPAPSK"; break;case "WPA_None":auth = "WPAPSK"; break;case "WPA_PSK":auth = "WPAPSK"; break;}switch (ssid.dot11DefaultCipherAlgorithm){case "CCMP":cipher = "AES";keytype = "passPhrase";break;case "TKIP":cipher = "TKIP";keytype = "passPhrase";break;case "None":cipher = "none"; keytype = "";isNoKey = true;break;case "WWEP":cipher = "WEP";keytype = "networkKey";break;case "WEP40":cipher = "WEP";keytype = "networkKey";break;case "WEP104":cipher = "WEP";keytype = "networkKey";break;}if (isNoKey && !string.IsNullOrEmpty(key)){Console.WriteLine(">>>>>>>>>>>>>>>>>無法連接網絡！");return;}else if (!isNoKey && string.IsNullOrEmpty(key)){Console.WriteLine("無法連接網絡！");return;}else{//string profileName = ssid.profileNames; // this is also the SSID string profileName = ssid.SSID;string mac = StringToHex(profileName);string profileXml = string.Empty;if (!string.IsNullOrEmpty(key)){profileXml = string.Format("<?xml version=\"1.0\"?><WLANProfile xmlns=\"http://www.microsoft.com/networking/WLAN/profile/v1\"><name>{0}</name><SSIDConfig><SSID><hex>{1}</hex><name>{0}</name></SSID></SSIDConfig><connectionType>ESS</connectionType><connectionMode>auto</connectionMode><autoSwitch>false</autoSwitch><MSM><security><authEncryption><authentication>{2}</authentication><encryption>{3}</encryption><useOneX>false</useOneX></authEncryption><sharedKey><keyType>{4}</keyType><protected>false</protected><keyMaterial>{5}</keyMaterial></sharedKey><keyIndex>0</keyIndex></security></MSM></WLANProfile>",profileName, mac, auth, cipher, keytype, key);}else{profileXml = string.Format("<?xml version=\"1.0\"?><WLANProfile xmlns=\"http://www.microsoft.com/networking/WLAN/profile/v1\"><name>{0}</name><SSIDConfig><SSID><hex>{1}</hex><name>{0}</name></SSID></SSIDConfig><connectionType>ESS</connectionType><connectionMode>auto</connectionMode><autoSwitch>false</autoSwitch><MSM><security><authEncryption><authentication>{2}</authentication><encryption>{3}</encryption><useOneX>false</useOneX></authEncryption></security></MSM></WLANProfile>",profileName, mac, auth, cipher, keytype);}ssid.wlanInterface.SetProfile(Wlan.WlanProfileFlags.AllUser, profileXml, true);bool success = ssid.wlanInterface.ConnectSynchronously(Wlan.WlanConnectionMode.Profile, Wlan.Dot11BssType.Any, profileName, 15000);if (!success){Console.WriteLine("連接網絡失敗！");return;}}}catch (Exception e){Console.WriteLine("連接網絡失敗！");return;}}//當連接的連接狀態進行通知 面是簡單的通知事件的實現，根據通知的內容在界面上顯示提示信息：private void WlanInterface_WlanConnectionNotification(Wlan.WlanNotificationData notifyData, Wlan.WlanConnectionNotificationData connNotifyData){try{if (notifyData.notificationSource == Wlan.WlanNotificationSource.ACM){int notificationCode = (int)notifyData.NotificationCode;switch (notificationCode){case (int)Wlan.WlanNotificationCodeAcm.ConnectionStart:Console.WriteLine("開始連接無線網絡.......");break;case (int)Wlan.WlanNotificationCodeAcm.ConnectionComplete:break;case (int)Wlan.WlanNotificationCodeAcm.Disconnecting:Console.WriteLine("正在斷開無線網絡連接.......");break;case (int)Wlan.WlanNotificationCodeAcm.Disconnected:Console.WriteLine("已經斷開無線網絡連接.......");break;}}//}));}catch (Exception e){//Loger.WriteLog(e.Message);}}}class WIFISSID{public string SSID = "NONE";public string dot11DefaultAuthAlgorithm = "";public string dot11DefaultCipherAlgorithm = "";public bool networkConnectable = true;public string wlanNotConnectableReason = "";public int wlanSignalQuality = 0;public WlanClient.WlanInterface wlanInterface = null;} }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 NativeWifi;
using System.Threading;
namespace WifiConnect
{
? ? public partial class wifi : Form
? ? {
? ? ? ? private List<WIFISSID> ssids;
? ? ? ? private wifiSo wifiso;
? ? ? ? public wifi()
? ? ? ? {
? ? ? ? ? ? InitializeComponent();
? ? ? ? }
? ? ? ? private void wifi_Load(object sender, EventArgs e)
? ? ? ? {
? ? ? ? ? ??
? ? ? ? ? ? wifiso = new wifiSo(); ?//加載wifi
? ? ? ? ? ? ssids = wifiso.ssids;
? ? ? ? ? ? wifiso.ScanSSID(); ? ? ?//顯示所有wifi
? ? ? ? ? ??
? ? ? ? }
? ? ? ? private void connectWIFI()
? ? ? ? {
? ? ? ? }
? ? ? ? private void button1_Click(object sender, EventArgs e)
? ? ? ? {
? ? ? ? ? ? this.wifiListOK.Items.Clear(); ?//只移除所有的項。
? ? ? ? ? ? //wifiListOK.Clear();//清除listview中的數據
? ? ? ? ? ? SetwifiList();
? ? ? ? ? ? ScanSSID();
? ? ? ? }
? ? ? ? //設置listviewok
? ? ? ? private void SetwifiList()
? ? ? ? {
? ? ? ? ? ? this.wifiListOK.Columns.Add("wifi名稱", 160, HorizontalAlignment.Left); //一步添加?
? ? ? ? ? ? this.wifiListOK.Columns.Add("wifiSSID", 120, HorizontalAlignment.Left); //一步添加?
? ? ? ? ? ? this.wifiListOK.Columns.Add("加密方式", 100, HorizontalAlignment.Left); //一步添加
? ? ? ? ? ? this.wifiListOK.Columns.Add("信號強度", 88, HorizontalAlignment.Left); //一步添加?
? ? ? ? ? ? //ColumnHeader ch = new ColumnHeader(); ?//先創建列表頭
? ? ? ? ? ? wifiListOK.GridLines = true;//顯示網格
? ? ? ? ? ? wifiListOK.Scrollable = true;//顯示所有項時是否顯示滾動條
? ? ? ? ? ? wifiListOK.AllowColumnReorder = true;
? ? ? ? ? ? wifiListOK.FullRowSelect = true;
? ? ? ? ? ? wifiListOK.CheckBoxes = true;
? ? ? ? }
? ? ? ? //添加數據
? ? ? ? private void wifiListOKADDitem(String wifiname, String pass,String dot11DefaultAuthAlgorithm,int i)
? ? ? ? {
? ? ? ? ? ? this.wifiListOK.BeginUpdate(); ? //數據更新，UI暫時掛起，直到EndUpdate繪制控件，可以有效避免閃爍并大大提高加載速度 ?
? ? ? ? ? ? //this.wifiListOK.Items.Add(wifiname,0);
? ? ? ? ? ? ListViewItem wifiitem = wifiListOK.Items.Add(wifiname);
? ? ? ? ? ? wifiitem.SubItems.Add(pass);
? ? ? ? ? ? wifiitem.SubItems.Add(dot11DefaultAuthAlgorithm);
? ? ? ? ? ? wifiitem.SubItems.Add(i+"");
? ? ? ? ? ? this.wifiListOK.EndUpdate(); ?//結束數據處理，UI界面一次性繪制。
? ? ? ? ? ? this.wifiListOK.View = System.Windows.Forms.View.Details;
? ? ? ? }
? ? ? ? //單擊事件
? ? ? ? private void wifiListOK_SelectedIndexChanged(object sender, EventArgs e)
? ? ? ? {
? ? ? ? ? ? if (wifiListOK.SelectedIndices != null && wifiListOK.SelectedItems.Count > 0)
? ? ? ? ? ? {
? ? ? ? ? ? ? ? ListView.SelectedIndexCollection c = wifiListOK.SelectedIndices;
? ? ? ? ? ? ? ? MessageBoxButtons messButton = MessageBoxButtons.OKCancel;
? ? ? ? ? ? ? ? DialogResult dr = MessageBox.Show("確定要連接" + wifiListOK.Items[c[0]].Text + "嗎?", "wifi連接", messButton);
? ? ? ? ? ? ? ? ?if (dr == DialogResult.OK)//如果點擊“確定”按鈕
? ? ? ? ? ? ? ? ?{
? ? ? ? ? ? ? ? ? ? // Console.WriteLine("<<<<<<<<<<<<<<<<flags:{0}.>>>>>>>>>>>>>>>>>>>>>>>", ssid);
? ? ? ? ? ? ? ? ? ? ?//wifiso.ConnectToSSID(targetSSID, "ZMZGZS520");//連接wifi
? ? ? ? ? ? ? ? ?}
? ? ? ? ? ? }
? ? ? ? }
? ? ? ? static string GetStringForSSID(Wlan.Dot11Ssid ssid)
? ? ? ? {
? ? ? ? ? ? return Encoding.UTF8.GetString(ssid.SSID, 0, (int)ssid.SSIDLength);
? ? ? ? }
? ? ? ? //顯示所有wifi
? ? ? ? public void ScanSSID()
? ? ? ? {
? ? ? ? ? ? WlanClient client = new WlanClient();
? ? ? ? ? ? foreach (WlanClient.WlanInterface wlanIface in client.Interfaces)
? ? ? ? ? ? {
? ? ? ? ? ? ? ? // Lists all networks with WEP security
? ? ? ? ? ? ? ? Wlan.WlanAvailableNetwork[] networks = wlanIface.GetAvailableNetworkList(0);
? ? ? ? ? ? ? ? foreach (Wlan.WlanAvailableNetwork network in networks)
? ? ? ? ? ? ? ? {
? ? ? ? ? ? ? ? ? ? WIFISSID targetSSID = new WIFISSID();
? ? ? ? ? ? ? ? ? ? targetSSID.wlanInterface = wlanIface;
? ? ? ? ? ? ? ? ? ? targetSSID.wlanSignalQuality = (int)network.wlanSignalQuality;
? ? ? ? ? ? ? ? ? ? targetSSID.SSID = GetStringForSSID(network.dot11Ssid);
? ? ? ? ? ? ? ? ? ? //targetSSID.SSID = Encoding.Default.GetString(network.dot11Ssid.SSID, 0, (int)network.dot11Ssid.SSIDLength);
? ? ? ? ? ? ? ? ? ? targetSSID.dot11DefaultAuthAlgorithm = network.dot11DefaultAuthAlgorithm.ToString();
? ? ? ? ? ? ? ? ? ? targetSSID.dot11DefaultCipherAlgorithm = network.dot11DefaultCipherAlgorithm.ToString();
? ? ? ? ? ? ? ? ? ? ssids.Add(targetSSID);
? ? ? ? ? ? ? ? ? ? wifiListOKADDitem(GetStringForSSID(network.dot11Ssid), network.dot11DefaultCipherAlgorithm.ToString(),
? ? ? ? ? ? ? ? ? ? ? ? network.dot11DefaultAuthAlgorithm.ToString(),(int)network.wlanSignalQuality);
? ? ? ? ? ? ? ? ? ? if (GetStringForSSID(network.dot11Ssid).Equals("DZSJ1"))
? ? ? ? ? ? ? ? ? ? {
? ? ? ? ? ? ? ? ? ? ? ? var obj = new wifiSo(targetSSID, "ZMZGZS520");
? ? ? ? ? ? ? ? ? ? ? ? Thread wificonnect = new Thread(obj.ConnectToSSID);
? ? ? ? ? ? ? ? ? ? ? ? wificonnect.Start();
? ? ? ? ? ? ? ? ? ? ? ? //wifiso.ConnectToSSID(targetSSID, "ZMZGZS520");//連接wifi
? ? ? ? ? ? ? ? ? ? ? ? connectWifiOK.Text = GetStringForSSID(network.dot11Ssid);
? ? ? ? ? ? ? ? ? ? ? ? Image img = new Bitmap(Environment.CurrentDirectory+"/image/wifi.png");//這里是你要替換的圖片。當然你必須事先初始化出來圖
? ? ? ? ? ? ? ? ? ? ? ? pictureBoxW.BackgroundImage = img;
? ? ? ? ? ? ? ? ? ? ? ? //Console.WriteLine(">>>>>>>>>>>>>>>>>開始連接網絡！" + targetSSID.SSID + GetStringForSSID(network.dot11Ssid) + GetStringForSSID(network.dot11Ssid).Equals("DZSJ1"));
? ? ? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? }
? ? ? ? ? ? }
? ? ? ? }
? ? ? ? /// <summary>
? ? ? ? /// 關閉wifi
? ? ? ? /// </summary>
? ? ? ? /// <param name="sender"></param>
? ? ? ? /// <param name="e"></param>
? ? ? ? private void closeWIFI_Click(object sender, EventArgs e)
? ? ? ? {
? ? ? ? ? ? if (connectWifiOK.Text.Equals("無") || connectWifiOK.Text.Equals(null))
? ? ? ? ? ? {
? ? ? ? ? ? ? ? MessageBox.Show("當前無連接wifi");
? ? ? ? ? ? }
? ? ? ? ? ? else
? ? ? ? ? ? {
? ? ? ? ? ? ? ??
? ? ? ? ? ? }
? ? ? ? }
? ? ? ? //更新數據
? ? ? ? private void getwifidatabtn_Click(object sender, EventArgs e)
? ? ? ? {
? ? ? ? ? ? WifiSocket wifiscoket = new WifiSocket();
? ? ? ? ? ? wifiscoket.fuwu();
? ? ? ? ? ? wifiscoket.kehuduan();
? ? ? ? }
? ? }
}
5、到此就結束了，寫的不對的地方希望大家多多指教，更多功能還希望小伙伴們繼續研究。
6、鳴謝：感謝各位廣大博友無私的分享精神！
7、參考：http://blog.csdn.net/m593192219/article/details/9363355
8、源代碼：https://files.cnblogs.com/files/ywf520/ManagedWifi.zip
總結
以上是生活随笔為你收集整理的C#WIFI搜索与连接的全部內容，希望文章能夠幫你解決所遇到的問題。
- 上一篇： C# 解决LISTVIEW控件显示数据出
- 下一篇： GD32F207移植FreeRtos，程