/// <summary>
/// 经纬度转中文地址：https://developers.google.com/maps/documentation/geocoding/?hl=zh-TW#ReverseGeocoding
/// </summary> www.it165.net
/// <param name="latLng"></param>
public static string latLngToChineseAddress(float Latitude, float Longitude)
{
string url = ConfigHelper.GetConfigString("GoogleMapAPIURL");
if (string.IsNullOrEmpty(url))
{
url = "http://maps.googleapis.com/maps/api/";
}
if (!url.EndsWith("/"))
{
url += "/";
}
url += "geocode/json?latlng=" + Latitude.ToString() + "," + Longitude.ToString() + "&sensor=true&language=zh-CN";
string json = String.Empty;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
//指定语言，否则Google预设回传英文
request.Headers.Add("Accept-Language", "zh-CN");
using (var response = request.GetResponse())
{
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
json = sr.ReadToEnd();
}
}
GeoRootObject rootObj = JsonConvert.DeserializeObject <GeoRootObject>(json);
return(rootObj.results[0].formatted_address);
}
/// <summary>
/// 经纬度取得行政区
/// </summary>
/// <returns></returns>
public static int latLngToChineseDistrict(float Latitude, float Longitude, out string Provname, out string CityName, out string AreaName, out string FullAddress)
{
Provname = "";
CityName = "";
AreaName = "";
FullAddress = "";
try
{
string result = string.Empty;//要回传的字符串
string url = ConfigHelper.GetConfigString("GoogleMapAPIURL");
if (string.IsNullOrEmpty(url))
{
url = "http://maps.googleapis.com/maps/api/";
}
if (!url.EndsWith("/"))
{
url += "/";
}
url += "geocode/json?latlng=" + Latitude.ToString() + "," + Longitude.ToString() + "&sensor=true&language=zh-CN";
string json = String.Empty;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
//指定语言，否则Google预设回传英文
request.Headers.Add("Accept-Language", "zh-CN");
using (var response = request.GetResponse())
{
using (StreamReader sr = new StreamReader(response.GetResponseStream()))
{
json = sr.ReadToEnd();
}
}
GeoRootObject rootObj = JsonConvert.DeserializeObject <GeoRootObject>(json);
if (rootObj == null || rootObj.status != "OK" || rootObj.results.Count == 0)
{
return(-1);
}
AddressComponent addc = null;
addc = rootObj.results[0].address_components.Where(c => c.types[0] == "administrative_area_level_1" && c.types[1] == "political").FirstOrDefault();
if (addc != null)
{
Provname = addc.long_name;
}
addc = rootObj.results[0].address_components.Where(c => c.types[0] == "locality" && c.types[1] == "political").FirstOrDefault();
if (addc != null)
{
CityName = addc.long_name;
}
addc = rootObj.results[0].address_components.Where(c => c.types[0] == "sublocality" && c.types[1] == "political").FirstOrDefault();
if (addc != null)
{
AreaName = addc.long_name;
}
FullAddress = rootObj.results[0].formatted_address;
return(0);
}
catch (System.Exception err)
{
return(-100);
}
}
