Swift3获取当前连接WIFI名称

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1、导入库

import SystemConfiguration
import SystemConfiguration.CaptiveNetwork

2、方法

 /// 获取wifi名称
    ///
    /// - Returns: <#return value description#>
    func getUsedSSID() -> String {
        let interfaces = CNCopySupportedInterfaces()
        var ssid = ""
        if interfaces != nil {
            let interfacesArray = CFBridgingRetain(interfaces) as! Array<AnyObject>
            if interfacesArray.count > 0 {
                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
                }
            }
        }
        return ssid
    }