獲取手機(jī)wifi 名稱 和mac地址
//只對真機(jī)wifi連接有效鳞陨,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)視的所有接口列表商佛,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)字典悼凑。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地址波附,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;
}
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