獲取手機(jī)wifi 名稱 和mac地址

//只對(duì)真機(jī)wifi連接有效，如果是模擬器和真機(jī)4G網(wǎng)絡(luò)則都為nil
+(NSString *)currentWifiSSID
{
    //1.獲取網(wǎng)絡(luò)底層監(jiān)視的所有接口列表，返回的是一個(gè)BSD接口名稱
    NSArray *ifs = (__bridge id)CNCopySupportedInterfaces();
    
    id info = nil;
    for (NSString *ifnam in ifs) {
        
        //2.通過BSD接口名稱獲取網(wǎng)絡(luò)信息，返回的是一個(gè)字典。其中包含 1.wifi名稱字符串  2.mac地址 3.wifi名稱二進(jìn)制數(shù)據(jù)
        info = (__bridge id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
        if (info && [info count]) {
            break;
        }
    }
    
    //3.獲取字典
    NSDictionary *dctySSID = (NSDictionary *)info;
    
    //4.字典的SSID鍵對(duì)應(yīng)的值就是wifi的名稱
    //注意：  1. 模擬器獲取不到wifi名稱 返回為nil  2.真機(jī)的話如果沒有連接wifi而是使用4G，返回的也是nil
    NSString *ssid = [dctySSID objectForKey:@"SSID"];//wifi名稱
    
    NSString *bssid = [dctySSID objectForKey:@"BSSID"];//路由mac地址
    
    NSString *idAdress = [self localWiFiIPAddress];
    NSLog(@"------ %@==== %@ ++++ %@",ssid,bssid,idAdress);
    
    return ssid;
    
}

獲取手機(jī)在鏈接wifi網(wǎng)絡(luò)下 ip地址

//獲取本機(jī)在當(dāng)前wifi中的ip地址，模擬器真機(jī)均可獲取
+(NSString *)localWiFiIPAddress
{
    BOOL success;
    struct ifaddrs * addrs;
    const struct ifaddrs * cursor;
    
    success = getifaddrs(&addrs) == 0;
    if (success) {
        cursor = addrs;
        while (cursor != NULL) {
            // the second test keeps from picking up the loopback address
            if (cursor->ifa_addr->sa_family == AF_INET && (cursor->ifa_flags & IFF_LOOPBACK) == 0)
            {
                NSString *name = [NSString stringWithUTF8String:cursor->ifa_name];
                if ([name isEqualToString:@"en0"])  // Wi-Fi adapter
                    return [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)cursor->ifa_addr)->sin_addr)];
            }
            cursor = cursor->ifa_next;
        }
        freeifaddrs(addrs);
    }
    return nil;
}