asp.net根据ip获得城市地址-创新互联
asp.net根据ip获得城市地址
Solution 1:
专注于为中小企业提供成都网站设计、做网站服务,电脑端+手机端+微信端的三站合一,更高效的管理,为中小企业奎文免费做网站提供优质的服务。我们立足成都,凝聚了一批互联网行业人才,有力地推动了上1000+企业的稳健成长,帮助中小企业通过网站建设实现规模扩充和转变。#region 通过IP得到IP所在地省市 ////// 通过IP得到IP所在地省市(Porschev) /// ///Ip地址 ///protected string GetAdrByIp(string ip) { try { string url = "http://www.ip138.com/ips1388.asp?ip=" + ip + "&action=2"; string regStr = "(?<=
- .*:).*(?=\\s.*
- )"; string html = GetHtml(url);
//得到网页源码
Regex reg = new Regex(regStr, RegexOptions.None);
Match ma = reg.Match(html);
return ma.Value.Substring(ma.Value.IndexOf("省") + 1).Trim();
}
catch
{
return "";
}
}
#endregion #region 获取HTML源码信息
///
/// 获取HTML源码信息(Porschev) /// ///获取地址 ///HTML源码 protected string GetHtml(string url) { string _value = ""; HttpWebRequest req; HttpWebResponse res; Stream ReceiveStream; StreamReader sr; req = (HttpWebRequest)WebRequest.Create(url); req.Method = "GET"; req.KeepAlive = false; req.Referer = url; req.UserAgent = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)"; res = req.GetResponse() as HttpWebResponse; ReceiveStream = res.GetResponseStream(); sr = new StreamReader(ReceiveStream, Encoding.GetEncoding("GB2312")); _value = HttpUtility.UrlDecode(sr.ReadToEnd()); sr.Close(); ReceiveStream.Close(); res.Close(); return _value; } #endregionTips 1:
///
/// 获取用户ip地址,避免ip代理 /// ///用户ip地址 public string GetIp() { string result = String.Empty; result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]; if (string.IsNullOrEmpty(result)) { result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]; } if (string.IsNullOrEmpty(result)) { result = HttpContext.Current.Request.UserHostAddress; } return result; }创新互联www.cdcxhl.cn,专业提供香港、美国云服务器,动态BGP最优骨干路由自动选择,持续稳定高效的网络助力业务部署。公司持有工信部办法的idc、isp许可证, 机房独有T级流量清洗系统配攻击溯源,准确进行流量调度,确保服务器高可用性。佳节活动现已开启,新人活动云服务器买多久送多久。
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