func kGetUsedSSID()->String{ let interfaces = CNcopySupportedInterfaces() var ssid = "" if interfaces != nil { let interfacesArray = CFBridgingRetain(interfaces) as! Array<AnyObject> if interfacesArray.count > 0 { //获取当前使用wifi // let interfaceName = interfacesArray[0] as! CFString // let ussafeInterfaceData = CNcopyCurrentNetworkInfo(interfaceName) // if (ussafeInterfaceData != nil) { // let interfaceData = ussafeInterfaceData as! Dictionary<String,Any> // ssid = interfaceData["SSID"]! as! String // } //获取wifi列表 for name in interfacesArray { let interfaceName = name as! CFString let ussafeInterfaceData = CNcopyCurrentNetworkInfo(interfaceName) if (ussafeInterfaceData != nil) { let interfaceData = ussafeInterfaceData as! Dictionary<String,Any> ssid = interfaceData["SSID"]! as! String } } } } return ssid }