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列表中的所有可用的無線網絡SSID在swift3我試過，但我只得到連接的無線網絡SSID是可能可用的無線網絡SSID在swift3
func fetchSSIDInfo() -> String {
var currentSSID = ""
if let interfaces:CFArray = CNCopySupportedInterfaces() {
print(interfaces)
for i in 0..<CFArrayGetCount(interfaces){
let interfaceName: UnsafeRawPointer = CFArrayGetValueAtIndex(interfaces, i)
let rec = unsafeBitCast(interfaceName, to: AnyObject.self)
let unsafeInterfaceData = CNCopyCurrentNetworkInfo("\(rec)" as CFString)
if unsafeInterfaceData != nil {
let interfaceData = unsafeInterfaceData! as Dictionary!
for dictData in interfaceData! {
if dictData.key as! String == "SSID" {
currentSSID = dictData.value as! String
}
}
}
}
}
return currentSSID
}