iOS开发（OC）——网络状态的检测

cocoapods导入pod ‘FreeStreamer’

引入头文件Reachability.h

Reachability *r= [Reachability reachabilityForInternetConnection];switch ([r currentReachabilityStatus]) {   case NotReachable://无网络   {}   break;   case ReachableViaWiFi://Wi-Fi   {}   break;   case ReachableViaWWAN://手机网络   {}   break;   default:   break;   }