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WindowsPhone8 自动获取 ip 以及 当前所在城市信息

/// 
    /// 获取当前地理信息    /// 
    public static class GetCurrentAddressInfo    {        #region 获取当前的地址        /// 
        /// 获取当前的地址        /// 
        public static void GetCurrentAddress()        {            //获取当前地址的 API            UriBuilder urlbuilder =               new UriBuilder("http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js");            //创建 HttpWebRequest 对象            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(urlbuilder.Uri);            //异步调用            IAsyncResult result = request.BeginGetResponse(ResponseCallback, request);        }        static void ResponseCallback(IAsyncResult result)        {            App _currentApp = (App)Application.Current;            //获取异步返回的信息            HttpWebRequest request = (HttpWebRequest)result.AsyncState;            //创建 HttpWebResponse 对象            HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(result);            //读取文件流            using (StreamReader reader = new StreamReader(response.GetResponseStream()))            {                //Json 串                String strJson = @reader.ReadToEnd()                .Replace("var remote_ip_info = ", "")                .Replace(";", "");                Byte[] buffer = System.Text.Encoding.UTF8.GetBytes(strJson);                using (MemoryStream ms = new MemoryStream(buffer))                {                    //调用 DataContractJsonSerializer 解析Json                    DataContractJsonSerializer serializer = new                     DataContractJsonSerializer(_currentApp._address.GetType());                    _currentApp._address = (Address)serializer.ReadObject(ms);                }            }        }        #endregion    }

#region Address 地址类    /// 
    /// Address 地址类    /// 
    public class Address    {        /// 
        /// id 省份或城市的编号        /// 
        public String id { get; set; }        /// 
        /// updateTime 更新时间        /// 
        public String updateTime { get; set; }        /// 
        /// Country 国家        /// 
        public String country { get; set; }        /// 
        /// Province 省份        /// 
        public String province { get; set; }        /// 
        /// City 市        /// 
        public String city { get; set; }        /// 
        /// cityPhoto 城市图片        /// 
        public String cityPhoto { get; set; }        /// 
        /// weatherInfo 今日天气实况        /// 
        public String toDayweather { get; set; }        /// 
        /// lifeInfo 生活指数        /// 
        public String lifeInfo { get; set; }        /// 
        /// cityIntroduce 城市介绍        /// 
        public String cityIntroduce { get; set; }    }    #endregion

以上案例仅供学习参考，如有不足之处还请提出指正，谢谢！

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