.net根据经纬度获取地址(百度api)

来源：互联网发布：怎么申请不了淘宝直播编辑：程序博客网时间：2024/05/30 04:10
private string GetAddress(string lng, string lat)        {            try            {                string url = @"http://api.map.baidu.com/geocoder/v2/?ak=oGdNg8wTEMEIsC0uzqqD3nq0&callback=renderReverse&location=" + lat + "," + lng + @"&output=xml&pois=1";                WebRequest request = WebRequest.Create(url);                request.Method = "POST";                XmlDocument xmlDoc = new XmlDocument();                string sendData = xmlDoc.InnerXml;                byte[] byteArray = Encoding.Default.GetBytes(sendData);                Stream dataStream = request.GetRequestStream();                dataStream.Write(byteArray, 0, byteArray.Length);                dataStream.Close();                WebResponse response = request.GetResponse();                dataStream = response.GetResponseStream();                StreamReader reader = new StreamReader(dataStream, System.Text.Encoding.GetEncoding("utf-8"));                string responseXml = reader.ReadToEnd();                XmlDocument xml = new XmlDocument();                xml.LoadXml(responseXml);                string status = xml.DocumentElement.SelectSingleNode("status").InnerText;                if (status == "0")                {                    XmlNodeList nodes = xml.DocumentElement.GetElementsByTagName("formatted_address");                    if (nodes.Count > 0)                    {                        return nodes[0].InnerText;                    }                    else                        return "未获取到位置信息,错误码3";                }                else                {                    return "未获取到位置信息,错误码1";                }            }            catch (System.Exception ex)            {                return "未获取到位置信息,错误码2";            }        }
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