iOS获取Wi-Fi名字

- (NSString *)getWifiNamed {

    NSArray *ifs = ( NSArray *)CNCopySupportedInterfaces();

    if (!ifs) {

        return nil;

    }

    NSString *WiFiName = nil;

    for (NSString *ifnam in ifs) {

        NSDictionary *info = ( NSDictionary *)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);

        if (info && [info count]) {

            // 这里其实对应的有三个key:kCNNetworkInfoKeySSID、kCNNetworkInfoKeyBSSID、kCNNetworkInfoKeySSIDData，

            // 不过它们都是CFStringRef类型的

            WiFiName = [info objectForKey:(__bridge NSString *)kCNNetworkInfoKeySSID];

            //            WiFiName = [info objectForKey:@"SSID"];

            break;

        }

    }

    return WiFiName;

}