public virtual async Task <ReGeocodeLocation> ReGeocodeAsync(double lat, double lng, int radius = 1000)
{
var requestParamters = new Dictionary <string, string>
{
{ "callback", Options.Callback },
{ "get_poi", Options.GetPoi },
{ "key", Options.AccessKey },
{ "location", $"{lat},{lng}" },
{ "output", Options.Output },
{ "poi_options", "radius=" + radius.ToString() }
};
var tencentMapUrl = "https://apis.map.qq.com";
var tencentMapPath = "/ws/geocoder/v1";
if (!Options.SecretKey.IsNullOrWhiteSpace())
{
var sig = TencentSecretKeyCaculater.CalcSecretKey(tencentMapPath, Options.SecretKey, requestParamters);
requestParamters.Add("sig", sig);
}
var tencentLocationResponse = await GetTencentMapResponseAsync <TencentReGeocodeResponse>(tencentMapUrl, tencentMapPath, requestParamters);
var location = new ReGeocodeLocation
{
Street = tencentLocationResponse.Result.AddressComponent.Street,
AdCode = tencentLocationResponse.Result.AddressInfo?.NationCode,
Address = tencentLocationResponse.Result.Address,
FormattedAddress = tencentLocationResponse.Result.FormattedAddress?.ReCommend,
City = tencentLocationResponse.Result.AddressComponent.City,
Country = tencentLocationResponse.Result.AddressComponent.Nation,
District = tencentLocationResponse.Result.AddressComponent.District,
Number = tencentLocationResponse.Result.AddressComponent.StreetNumber,
Province = tencentLocationResponse.Result.AddressComponent.Province,
Town = tencentLocationResponse.Result.AddressReference.Town.Title,
Pois = tencentLocationResponse.Result.Pois.Select(p =>
{
var poi = new Poi
{
Address = p.Address,
Name = p.Title,
Tag = p.Id,
Type = p.CateGory,
Distance = Convert.ToInt32(p.Distance)
};
return(poi);
}).ToList()
};
if ((location.Address.IsNullOrWhiteSpace() ||
location.FormattedAddress.IsNullOrWhiteSpace()) &&
location.Pois.Any())
{
var nearPoi = location.Pois.OrderBy(x => x.Distance).FirstOrDefault();
location.Address = nearPoi.Address;
location.FormattedAddress = nearPoi.Name;
}
location.AddAdditional("TencentLocation", tencentLocationResponse.Result);
return(location);
}
public virtual async Task <ReGeocodeLocation> ReGeocodeAsync(double lat, double lng, int radius = 1000)
{
var requestParamters = new Dictionary <string, string>
{
{ "ak", Options.AccessKey },
{ "output", Options.Output },
{ "radius", radius.ToString() },
{ "language", Options.Language },
{ "coordtype", Options.CoordType },
{ "extensions_poi", Options.ExtensionsPoi },
{ "ret_coordtype", Options.ReturnCoordType },
{ "location", string.Format("{0},{1}", lat, lng) },
{ "extensions_road", Options.ExtensionsRoad ? "true" : "false" },
{ "extensions_town", Options.ExtensionsTown ? "true" : "false" },
};
var baiduMapUrl = "http://api.map.baidu.com";
var baiduMapPath = "/reverse_geocoding/v3";
if (Options.CaculateAKSN)
{
// TODO: 百度的文档不明不白,sn的算法在遇到特殊字符会验证失败,有待完善
var sn = BaiduAKSNCaculater.CaculateAKSN(Options.AccessSecret, baiduMapPath, requestParamters);
requestParamters.Add("sn", sn);
}
requestParamters["location"] = string.Format("{0}%2C{1}", lat, lng);
var requestUrl = BuildRequestUrl(baiduMapUrl, baiduMapPath, requestParamters);
var responseContent = await MakeRequestAndGetResultAsync(requestUrl);
var baiduLocationResponse = JsonSerializer.Deserialize <BaiduReGeocodeResponse>(responseContent);
if (!baiduLocationResponse.IsSuccess())
{
var localizerFactory = ServiceProvider.GetRequiredService <IStringLocalizerFactory>();
var localizerErrorMessage = baiduLocationResponse.GetErrorMessage().Localize(localizerFactory);
var localizerErrorDescription = baiduLocationResponse.GetErrorDescription().Localize(localizerFactory);
var localizer = ServiceProvider.GetRequiredService <IStringLocalizer <BaiduLocationResource> >();
localizerErrorMessage = localizer["ResolveLocationFailed", localizerErrorMessage, localizerErrorDescription];
if (Options.VisableErrorToClient)
{
throw new UserFriendlyException(localizerErrorMessage);
}
throw new AbpException($"Resolution address failed:{localizerErrorMessage}!");
}
var location = new ReGeocodeLocation
{
Street = baiduLocationResponse.Result.AddressComponent.Street,
AdCode = baiduLocationResponse.Result.AddressComponent.AdCode.ToString(),
Address = baiduLocationResponse.Result.Address,
City = baiduLocationResponse.Result.AddressComponent.City,
Country = baiduLocationResponse.Result.AddressComponent.Country,
District = baiduLocationResponse.Result.AddressComponent.District,
Number = baiduLocationResponse.Result.AddressComponent.StreetNumber,
Province = baiduLocationResponse.Result.AddressComponent.Province,
Town = baiduLocationResponse.Result.AddressComponent.Town,
Pois = baiduLocationResponse.Result.Pois.Select(p => new Poi
{
Address = p.Address,
Name = p.Name,
Tag = p.Tag,
Type = p.PoiType
}).ToList(),
Roads = baiduLocationResponse.Result.Roads.Select(r => new Road
{
Name = r.Name
}).ToList()
};
location.AddAdditional("BaiduLocation", baiduLocationResponse.Result);
return(location);
}