/// <summary>
/// 执行地图查询.
/// </summary>
private void DoMapQuery()
{
AliyunMapServuce service = new AliyunMapServuce();
AliyunGeocodingResult result = service.Geocoding(this.txtAddress.Text);
this.lon = result.lon;
this.lat = result.lat;
}
public AliyunGeocodingResult Geocoding(string addressName)
{
string url = BASE_URL + System.Web.HttpUtility.UrlEncode(addressName, Encoding.UTF8);
//访问该链接
WebRequest wrt = WebRequest.Create(url);
//获得返回值
WebResponse wrs = wrt.GetResponse();
// 从 Internet 资源返回数据流。
Stream s = wrs.GetResponseStream();
// 构造 序列化类.
DataContractJsonSerializer dcjs = new DataContractJsonSerializer(typeof(AliyunGeocodingResult));
// 读取结果.
AliyunGeocodingResult result = (AliyunGeocodingResult)dcjs.ReadObject(s);
// 返回.
return(result);
}