测试网络连接

测试网络连接

BOOL hasInet;
Reachability *connectionMonitor = [Reachability reachabilityForInternetConnection];
[[NSNotificationCenter defaultCenter]
    addObserver: self
    selector: @selector(inetAvailabilityChanged:)
    name:  kReachabilityChangedNotification
    object: connectionMonitor];

hasInet = [connectionMonitor currentReachabilityStatus] != NotReachable;

-(void)inetAvailabilityChanged:(NSNotification *)notice {
    Reachability *r = (Reachability *)[notice object];
    hasInet = [r currentReachabilityStatus] != NotReachable;
}