#region 经纬度获取地址
public class BaiDuGeoCoding
{
public int Status { get; set; }
public Result Result { get; set; }
}

public class Result
{
public Location Location { get; set; }

public string Formatted_Address { get; set; }

public string Business { get; set; }

public AddressComponent AddressComponent { get; set; }

public string CityCode { get; set; }
}

public class AddressComponent
{
/// <summary>
/// 省份
/// </summary>
public string Province { get; set; }
/// <summary>
/// 城市名
/// </summary>
public string City { get; set; }

/// <summary>
/// 区县名
/// </summary>
public string District { get; set; }

/// <summary>
/// 街道名
/// </summary>
public string Street { get; set; }

public string Street_number { get; set; }

}

public class Location
{
public string Lng { get; set; }
public string Lat { get; set; }
}

public class HttpClientHelper
{
/// <summary>
/// GET请求
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url"></param>
/// <returns></returns>
public static T GetResponse<T>(string url) where T : class, new()
{
string returnValue = string.Empty;
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(url));
webReq.Method = "GET";
webReq.ContentType = "application/json";
using (HttpWebResponse response = (HttpWebResponse)webReq.GetResponse())
{
using (StreamReader streamReader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
returnValue = streamReader.ReadToEnd();
T result = default(T);
result = JsonConvert.DeserializeObject<T>(returnValue);
return result;
}
}
}
}

//百度地图Api Ak
public const string BaiduAk = "9TxmFS8X1EXcUGZkqsDM4GKuayamwkbr";

/// <summary>
/// 经纬度 逆地理编码 Url 需要Format 0.ak 1.经度 2.纬度
/// </summary>
private const string BaiduGeoCoding_ApiUrl = "http://api.map.baidu.com/geocoder/v2/?ak={0}&location={1},{2}&output=json&pois=0";

/// <summary>
/// /// <summary>
/// 经纬度 逆地理编码 Url 需要Format 0.经度 1.纬度
/// </summary>
/// </summary>
public static string Baidu_GeoCoding_ApiUrl
{
get
{
return string.Format(BaiduGeoCoding_ApiUrl, BaiduAk, "{0}", "{1}");
}
}

/// <summary>
/// 根据经纬度 获取 地址信息
/// </summary>
/// <param name="lat">经度</param>
/// <param name="lng">纬度</param>
/// <returns></returns>
public static BaiDuGeoCoding GeoCoder(string lat, string lng)
{
string url = string.Format(Baidu_GeoCoding_ApiUrl, lat, lng);
var model = HttpClientHelper.GetResponse<BaiDuGeoCoding>(url);
return model;
}
#endregion

C# 百度经纬度获取地址信息