【Swift】在Swift中获取当前的wifi SSID

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

（编辑：李大同）

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