// Get Village location: lat & lag from Baidu
// http://lbsyun.baidu.com/index.php?title=webapi/guide/webservice-geocoding
private LocationInfo GetNewVillageLocation(string villageName)
{
LocationInfo locationInfo = new LocationInfo();
try
{
string baiAk = "7UA0GQRgTDFVcQ8bnpA7LFsFiFQRIphS";
string getUrl = $"http://api.map.baidu.com/geocoding/v3/?address=重庆市{villageName}&output=json&ak={baiAk}";
string response = HttpRequestUtil.CreateGetHttpResponse(getUrl);
RootObject rootObject = JsonConvert.DeserializeObject <RootObject>(response);
// Update to the database
if (rootObject.Status == 0)
{
locationInfo.VillageName = villageName;
locationInfo.Lat = rootObject.Result.Location.Lat;
locationInfo.Lng = rootObject.Result.Location.Lng;
}
Console.WriteLine(response);
Console.WriteLine($"{DateTime.Now}: get location info from BaiDu Map for {villageName}.");
}
catch (Exception e)
{
Console.WriteLine(e);
return(null);
}
return(locationInfo);
}
