/// <summary>
/// 定位,国内精确判断，国外粗略
/// </summary>
/// <param name="longitude">经度</param>
/// <param name="latitude">纬度</param>
/// <returns></returns>
public static string Location(double longitude, double latitude)
{
if (longitude < 0 || latitude < 0)
{
string key = GetForeignerMapFindKey(longitude, latitude);
string location;
ForeignerPostionDic.TryGetValue(key, out location);
return(location ?? DefaultLocation);
}
Country.ClearPositionNear();
var gcj = GPS.Gcj_encrypt(latitude, longitude);
var bd = GPS.Bd_encrypt(gcj[0], gcj[1]);
var area = China.Position(new MapPoint(bd[1], bd[0]));
if (area != null)
{
return(area.Name);
}
else
{
var near = Country.GetNearPosition(new MapPoint(longitude, latitude));
if (near != null)
{
return(near.Name);
}
string key = GetForeignerMapFindKey(longitude, latitude);
string location;
ForeignerPostionDic.TryGetValue(key, out location);
return(location ?? DefaultLocation);
}
}