实现:得到真实IP以及所在地详细信息/通过IP得到IP所在地省市/获取HTML源码信息,感兴趣的朋友不妨了解一下,或许对你巩固所学知识有所帮助
///
/// 得到真实IP以及所在地详细信息(Porschev)
///
///
public string GetIpDetails()
{
//设置获取IP地址和国家源码的网址
string url = "http://www.ip138.com/ips8.asp";
string regStr = "(?<=
)[^<]*?(?=
| )";
//IP正则
string ipRegStr = "((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)";
//IP地址
string ip = string.Empty;
//国家
string country = string.Empty;
//省市
string adr = string.Empty;
//得到网页源码
string html = GetHtml(url);
Regex reg = new Regex(regStr, RegexOptions.None);
Match ma = reg.Match(html); html = ma.Value;
Regex ipReg = new Regex(ipRegStr, RegexOptions.None);
ma = ipReg.Match(html);
//得到IP
ip = ma.Value;
int index = html.LastIndexOf(":") + 1;
//得到国家
country = html.Substring(index);
adr = GetAdrByIp(ip);
return "IP:" + ip + " 国家:" + country + " 省市:" + adr;
}
///
/// 通过IP得到IP所在地省市(Porschev)
/// ///
///
public string GetAdrByIp(string ip)
{
string url = "http://www.cz88.net/ip/?ip=" + ip;
string regStr = "(?<=
).*?(?=)";
//得到网页源码
string html = GetHtml(url);
Regex reg = new Regex(regStr, RegexOptions.None);
Match ma = reg.Match(html);
html = ma.Value;
string[] arr = html.Split(' ');
return arr[0];
}
///
/// 获取HTML源码信息(Porschev)
/// ///
获取地址
///
HTML源码 public string GetHtml(string url)
{
string str = "";
try
{
Uri uri = new Uri(url);
WebRequest wr = WebRequest.Create(uri);
Stream s = wr.GetResponse().GetResponseStream();
StreamReader sr = new StreamReader(s, Encoding.Default);
str = sr.ReadToEnd();
}
catch (Exception e)
{
}
return str;
}
更多有关城市相关的信息可看信息港上做的一些城市分类。