【Swift】在Swift中获取当前的wifi SSID

概述    func getSSID() -> String? {        let interfaces: CFArray! = CNCopySupportedInterfaces()?.takeRetainedValue()        if interfaces == nil { return nil }                let if0: UnsafePointer<

funcgetSSID()->String?{letinterfaces:CFArray!=CNcopySupportedInterfaces()?.takeRetainedValue()ifinterfaces==nil{returnnil}letif0:UnsafePointer<VoID>?=CFArrayGetValueAtIndex(interfaces,0)ifif0==nil{returnnil}letinterfacename:CFStringRef=unsafeBitCast(if0!,CFStringRef.self)letdictionary=CNcopyCurrentNetworkInfo(interfacename)?.takeRetainedValue()asNSDictionary?ifdictionary==nil{returnnil}returndictionary?[kCNNetworkInfoKeySSIDasstring]as?String}

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项目中遇到了 那就随手记一下

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