public static GeocoderResult gpsToAddress(string body)
{
GeocoderResult geocoder = new GeocoderResult();
JsonObject jsonObject = JsonObject.Parse(body);
int status = (int)jsonObject.GetNamedNumber("status");
if (status == 0)
{
JsonObject result = jsonObject.GetNamedObject("result");
//JsonObject location = result.GetNamedObject("location");
//{
// double latitude = location.GetNamedNumber("lat");
// double longitude = location.GetNamedNumber("lng");
//}
//结构化地址信息
geocoder.formattedAddress = result.GetNamedString("formatted_address");
//所在商圈信息
geocoder.business = result.GetNamedString("business");
//当前位置结合POI的语义化结构描述
geocoder.sematicDescription = result.GetNamedString("sematic_description");
//城市代码
geocoder.cityCode = (int)result.GetNamedNumber("cityCode");
geocoder.componentJ = result.GetNamedObject("addressComponent");
//JsonArray pois = result.GetNamedArray("pois");
//JsonArray poiRegions = result.GetNamedArray("poiRegions");
}
return(geocoder);
}
IEnumerator RequestAddress()
{
while (true)
{
var position = transform.position;
if (Vector3.Distance(position, _lastPosition) > DistanceThreshold)
{
_lastPosition = position;
_geoCoder
.Search(GeoUtils.ToGeoCoordinate(_startCoordinate, position.x, position.z))
.Subscribe(r => _currentAddress = r);
}
yield return(new WaitForSeconds(UpdateFrequencyInSeconds));
}
}
/// <summary>
/// 地理位置解析
/// 传入详细地址,返回地址经纬度信息
/// </summary>
/// <param name="address">详细地址</param>
/// <param name="city">城市名称,用于精确查找,可以不传</param>
/// <return>解析后的结果</return>
/// <remarks>2013-08-27 黄波 创建</remarks>
/// <remarks>2013-12-13 邵斌 优化百度API调用返回空的情况</remarks>
public GeocoderResult Geocoder(string address, string city = "")
{
GeocoderResult returnValue = null;
var apiURL = string.Format("http://api.map.baidu.com/geocoder/v2/?address={0}&city={1}&ak={2}&output={3}"
, HttpUtility.UrlEncode(address.Trim())
, HttpUtility.UrlEncode(city.Trim())
, Constant.BAIDU_MAP_AK
, "json");
try
{
var webRequest = HttpWebRequest.Create(apiURL);
var webResponse = (HttpWebResponse)webRequest.GetResponse();
var stream = new StreamReader(webResponse.GetResponseStream());
var jsonStr = stream.ReadToEnd();
var jsonObject = JObject.Parse(jsonStr);
// 2013-12-13 邵斌 优化百度API调用返回空的情况
if (jsonObject != null)
{
//API说明 http://developer.baidu.com/map/webservice-geocoding.htm#.E6.8E.A5.E5.8F.A3.E5.8F.82.E6.95.B6
if ((jsonObject.Property("status") != null && jsonObject["status"].ToString() == "0") &&
jsonObject["result"]["location"] != null)
{
returnValue = new GeocoderResult
{
Confidence = Convert.ToInt32(jsonObject["result"]["confidence"].ToString()),
Lat = Convert.ToDouble(jsonObject["result"]["location"]["lat"].ToString()),
Lng = Convert.ToDouble(jsonObject["result"]["location"]["lng"].ToString()),
Level = jsonObject["result"]["level"].ToString(),
Precise = Convert.ToInt32(jsonObject["result"]["precise"].ToString()),
Status = Convert.ToInt32(jsonObject["status"].ToString())
};
}
else
{
//TODO:API返回状态错误
}
}
}
catch (Exception ex)
{
Log.SysLog.Instance.Error(Model.WorkflowStatus.LogStatus.系统日志来源.外部应用, ex.Message, ex);
}
return(returnValue);
}
private void ProcessResult(GeocoderResult result)
{
var location = GetLocation(result.Element);
var distanceToNewPlace = location.HasValue
? GeoUtils.Distance(location.Value, _coordinate)
: 50; // NOTE give element some weight as we don't know its geometry
var distanceToOldPlace = _currentLocation.HasValue
? GeoUtils.Distance(_currentLocation.Value, _coordinate)
: float.MaxValue;
if (location.HasValue && distanceToNewPlace <= distanceToOldPlace)
{
_text.text = result.DisplayName;
_currentLocation = location.Value;
}
}
private async System.Threading.Tasks.Task <GeocoderResult> getGPS(TravelGPS gps, int tableId)
{
GeocoderResult geocoder = null;
if (gps.address == null && gps.laitude != 200 && gps.longitude != 200)
{
geocoder = await getHttp(gps.laitude, gps.longitude);
if (geocoder != null)
{
dm.updataGPS(tableId, gps.ID, geocoder.formattedAddress, geocoder.business, geocoder.cityCode, geocoder.sematicDescription, geocoder.componentJ.Stringify());
}
}
else if (gps.address != null)
{
geocoder = new GeocoderResult();
geocoder.formattedAddress = gps.address;
geocoder.sematicDescription = gps.description;
}
return(geocoder);
}
