iOS获取手机运营商

#import 
#import 

-(void)getcarrierName{
    CTTelephonyNetworkInfo *telephonyInfo = [[CTTelephonyNetworkInfo alloc] init];
    CTCarrier *carrier = [telephonyInfo subscriberCellularProvider];
    NSString *currentCountry=[carrier carrierName];
    NSLog(@"[carrier isoCountryCode]==%@,[carrier allowsVOIP]=%d,[carrier mobileCountryCode=%@,[carrier mobileCountryCode]=%@---%@",[carrier isoCountryCode],[carrier allowsVOIP],[carrier mobileCountryCode],[carrier mobileNetworkCode],currentCountry);
//    self.mobileNet=currentCountry;
}