func updateWeatherInfo(latitude:CLLocationDegrees, longitude:CLLocationDegrees) {
    let manager = AFHTTPRequestOperationManager()
    let url = "http://api.openweathermap.org/data/2.5/weather";
    //let url = "http://api.openweathermap.org/data/2.5/weather?q=London,uk&APPID=15f8d9e4177673f65179362e732d65bf"
    
    let params = ["lat": latitude, "lon":longitude, "cnt":0, "APPID":"15f8d9e4177673f65179362e732d65bf"] as Any
    manager.get(url,
                parameters: params,
                success: { (operation: AFHTTPRequestOperation,
                    responseObject: Any) in
                    var info = responseObject as? NSDictionary
                    print(info);
                    print("OK")
                    
                   // self.updateUISuccess(responseObject as NSDictionary!)
    },
                failure: { (operation: AFHTTPRequestOperation!,
                    error: Error!) in
                    print("Error: " + error.localizedDescription)
                    
                   // self.loading.text = "Internet appears down!"
    })
    
}

Optional({
    base = stations;
    clouds =     {
        all = 92;
    };
    cod = 200;
    coord =     {
        lat = "30.48";
        lon = "114.4";
    };
    dt = 1541988000;
    id = 7905231;
    main =     {
        humidity = 76;
        pressure = 1023;
        temp = "287.15";
        "temp_max" = "287.15";
        "temp_min" = "287.15";
    };
    name = Guanshan;
    sys =     {
        country = CN;
        id = 7423;
        message = "0.201";
        sunrise = 1541976327;
        sunset = 1542014830;
        type = 1;
    };
    visibility = 2500;
    weather =     (
                {
            description = mist;
            icon = 50d;
            id = 701;
            main = Mist;
        }
    );
    wind =     {
        deg = 30;
        speed = 4;
    };
})
OK
Optional({
    base = stations;
    clouds =     {
        all = 92;
    };
    cod = 200;
    coord =     {
        lat = "30.48";
        lon = "114.4";
    };
    dt = 1541988000;
    id = 7905231;
    main =     {
        humidity = 76;
        pressure = 1023;
        temp = "287.15";
        "temp_max" = "287.15";
        "temp_min" = "287.15";
    };
    name = Guanshan;
    sys =     {
        country = CN;
        id = 7423;
        message = "0.201";
        sunrise = 1541976327;
        sunset = 1542014830;
        type = 1;
    };
    visibility = 2500;
    weather =     (
                {
            description = mist;
            icon = 50d;
            id = 701;
            main = Mist;
        }
    );
    wind =     {
        deg = 30;
        speed = 4;
    };
})