C#获得当前经纬度

        private void button1_Click(object sender, EventArgs e)

        {

            string address = "北京";

            string output = "csv";

            string key = "ABQIAAAAXDq__hWKi9eMCwnn7LrMCxT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSnSVp_Xlsd4Ph5iyMua7PE5E0x_A";

            string url = string.Format("http://ditu.google.cn/maps/geo?q={0}&output={1}&key={2}", address, output, key);

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            StreamReader sr = new StreamReader(response.GetResponseStream());

            string[] tmpArray = sr.ReadToEnd().Split(',');

            string latitude = tmpArray[2];

            string longitude = tmpArray[3];

            MessageBox.Show(string.Format("纬度: {0}, 经度: {1}", latitude, longitude), address, MessageBoxButtons.OK, MessageBoxIcon.Information);

        }