C# 使用 Google Geocoding API 获取地址的经纬度

        public class CoordinateClass
        {
            public string Latitude { get; set; }     //经度
            public string Longtitude { get; set; }   //维度
        }

        /* 根据地址返回经纬度
        * @param addr
        * @return 返回经纬度数据, latLng[0]经度,latLng[1]维度*/
        public static CoordinateClass getCoordinate(String Location)
        {
            CoordinateClass MyGeoCode = new CoordinateClass();

            // Use the Google Geocoding service to get information about the user-entered address
            string stUrl = String.Format("http://maps.googleapis.com/maps/api/geocode/xml?address={0}&sensor=false&language=zh", Location);

            // Load the XML into an XElement object (whee, LINQ to XML!)
            XElement Results = XElement.Load(stUrl);

            // Determine how many elements exist
            int ResultsCount = Results.Elements("result").Count();

            // How many results did we get back?
            if (ResultsCount <= 0)
            {
                //Got back none
                return null;
            }
            else
            {