
对于网络可用性(在Swift 2中有效):
class func hasConnectivity() -> Bool { let reachability: Reachability = Reachability.reachabilityForInternetConnection() let networkStatus: Int = reachability.currentReachabilityStatus().rawValue return networkStatus != 0}对于Wi-Fi连接:
(reachability.currentReachabilityStatus().value == ReachableViaWiFi.value)
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