【高德地图API】地理编码与逆地理编码

AMap amap;
AMapMarker marker;
public SearchGeoCode()
{
InitializeComponent();
this.ContentPanel.Children.Add(amap = new AMap());
amap.MarkerClickListener += amap_MarkerClickListener;

}
private async Task AddressToGeoCode(string address)
{
AMapGeoCodeResult cr = await AMapGeoCodeSearch.AddressToGeoCode(address);
this.Dispatcher.BeginInvoke(() =>
{
if (cr.Erro == null && cr.GeoCodeList != null)
{
if (cr.GeoCodeList.Count==0)
{
MessageBox.Show("无查询结果");
return;
}
IEnumerable geocode = cr.GeoCodeList;
foreach (AMapGeoCode gcs in geocode)
{
Debug.WriteLine(gcs.Adcode);
Debug.WriteLine(gcs.Building);
Debug.WriteLine(gcs.City);
Debug.WriteLine(gcs.District);
Debug.WriteLine(gcs.FormattedAddress);
Debug.WriteLine(gcs.Province);
Debug.WriteLine(gcs.Township);
Debug.WriteLine(gcs.Location.Lon);
Debug.WriteLine(gcs.Location.Lat);
Debug.WriteLine(gcs.LevelList[0]);
marker= amap.AddMarker(new AMapMarkerOptions()
{
Position = new LatLng(gcs.Location.Lat, gcs.Location.Lon),
Title = gcs.FormattedAddress,
Snippet = gcs.District,
IconUri = new Uri("Images/AZURE.png", UriKind.Relative),
});
}
//如果返回的geocode数大于1个，调整视图
if (geocode.Count()>1)
{
LatLngBounds.Builder builder = new LatLngBounds.Builder();
List markers = amap.GetMapMarkers();
foreach (AMapMarker marker in markers)
{
builder.Include(marker.Position);
}
this.amap.MoveCamera(CameraUpdateFactory.NewLatLngBounds(builder.Build(), markers.Count()));
}
else
{
amap.MoveCamera(CameraUpdateFactory.NewLatLngZoom(new LatLng(geocode.FirstOrDefault().Location.Lat, geocode.FirstOrDefault().Location.Lon), 14));
}
}
else
{
MessageBox.Show(cr.Erro.Message);
}
});
}
void amap_MarkerClickListener(AMapMarker sender, AMapEventArgs args)
{
sender.ShowInfoWindow(new AInfoWindow()
{
Title = sender.Title,
ContentText =sender.Snippet,
});
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
amap.Clear();
if (!string.IsNullOrWhiteSpace(txtAddress.Text))
{
await AddressToGeoCode(txtAddress.Text);
}

}

AMap amap;
AMapMarker marker;
LatLng latLng;
public SearchReGeoCode()
{
InitializeComponent();
this.ContentPanel.Children.Add(amap = new AMap());
amap.Tap += amap_Tap;
amap.MarkerClickListener += amap_MarkerClickListener;
}
void amap_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
latLng = amap.GetProjection().FromScreenLocation(e.GetPosition(amap));
this.txtLat.Text = latLng.latitude.ToString();
this.txtLon.Text = latLng.longitude.ToString();
}
private async Task GeoCodeToAddress(double lon, double lat)
{
AMapReGeoCodeResult rcc = await AMapReGeoCodeSearch.GeoCodeToAddress(lon, lat, 500, "", Extensions.All);
this.Dispatcher.BeginInvoke(() =>
{
if (rcc.Erro == null && rcc.ReGeoCode != null)
{
AMapReGeoCode regeocode = rcc.ReGeoCode;
Debug.WriteLine(regeocode.Address_component);
Debug.WriteLine(regeocode.Formatted_address);
Debug.WriteLine(regeocode.Pois);
List pois = regeocode.Pois.ToList();
//POI信息点
foreach (AMapPOI poi in pois)
{
marker = amap.AddMarker(new AMapMarkerOptions()
{
Position = new LatLng(poi.Location.Lat, poi.Location.Lon),
Title = poi.Name,
Snippet = poi.Address,
IconUri = new Uri("Images/RED.png", UriKind.Relative),
});
}
Debug.WriteLine(regeocode.Roadinters);
Debug.WriteLine(regeocode.Roadslist);
AMapAddressComponent addressComponent = regeocode.Address_component;
Debug.WriteLine(addressComponent.Building);
Debug.WriteLine(addressComponent.City);
Debug.WriteLine(addressComponent.District);
Debug.WriteLine(addressComponent.Neighborhood);
Debug.WriteLine(addressComponent.Province);
Debug.WriteLine(addressComponent.Stree_number);
Debug.WriteLine(addressComponent.Township);
AMapStreetNumber streetNumber = addressComponent.Stree_number;
Debug.WriteLine(streetNumber.Direction);
Debug.WriteLine(streetNumber.Distance);
Debug.WriteLine(streetNumber.Location.Lat);
Debug.WriteLine(streetNumber.Location.Lon);
Debug.WriteLine(streetNumber.Number);
Debug.WriteLine(streetNumber.Street);
marker = amap.AddMarker(new AMapMarkerOptions()
{
Position = new LatLng(streetNumber.Location.Lat, streetNumber.Location.Lon),//amap.Center,//
Title = addressComponent.Province,
Snippet = regeocode.Formatted_address,
IconUri = new Uri("Images/AZURE.png", UriKind.Relative),
});
//显示化弹出信息
AInfoWindow info = new AInfoWindow();
info.Title = addressComponent.Province;
info.ContentText = regeocode.Formatted_address;
marker.ShowInfoWindow(info, new Point(0, 0));
amap.MoveCamera(CameraUpdateFactory.NewLatLngZoom(new LatLng(Convert.ToDouble(txtLon.Text), Convert.ToDouble(txtLat.Text)), 12));
}
else
{
MessageBox.Show(rcc.Erro.Message);
}
});
}
void amap_MarkerClickListener(AMapMarker sender, AMapEventArgs args)
{
sender.ShowInfoWindow(new AInfoWindow()
{
Title = sender.Title,
ContentText = sender.Snippet,
});
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
amap.Clear();
if (string.IsNullOrWhiteSpace(txtLat.Text) && string.IsNullOrWhiteSpace(txtLon.Text))
{
return;
}
await GeoCodeToAddress(Convert.ToDouble(txtLon.Text), Convert.ToDouble(txtLat.Text));
}