public static JObject GetDirection(Location origin, Location destination, string ak, DirectionMode mode = DirectionMode.transit)
{
Dictionary <string, string> values = new Dictionary <string, string>();
values.Add("ak", ak);
values.Add("origin", origin.Latitude.ToString() + "," + origin.Longitude.ToString());
values.Add("destination", destination.Latitude.ToString() + "," + destination.Longitude.ToString());
values.Add("mode", mode.ToString());
values.Add("region", "上海");
values.Add("output", "json");
var uri = new Uri("http://api.map.baidu.com/direction/v1");
var res = HttpUtils.GetResponse("GET", uri, values);
var s = res.GetResponseStream();
var sr = new StreamReader(s);
string jsonStr = sr.ReadToEnd();
return(JsonConvert.DeserializeObject(jsonStr) as JObject);
}
public static uint GetDirectionTime(Location origin, Location destination, string ak, DirectionMode mode = DirectionMode.transit)
{
var jObject = GetDirection(origin, destination, ak, mode);
if (jObject["status"].ToString() == "0")
{
var routes = jObject["result"]["routes"];
if (routes != null)
{
string duration = "0";
switch (mode)
{
case DirectionMode.transit:
duration = routes[0]["scheme"][0]["duration"].ToString();
break;
case DirectionMode.walking:
duration = routes[0]["duration"].ToString();
break;
default:
throw new NotSupportedException("Right now not support type: " + mode.ToString());
}
return(UInt32.Parse(duration));
}
else
{
// too close and no routes
return(GetDirectionTime(origin, destination, ak, DirectionMode.walking));
}
}
else
{
throw new NotSupportedException(JsonConvert.SerializeObject(jObject));
}
}
private void UpdateMessage()
{
Message = ModeDirection.ToString();
}
