复制代码 代码如下:
/// <summary>
/// 通过IP得到IP所在地省市（Porschev）
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public string GetAdrByIp(string ip)
{
string url = "http:///ips8.asp";
string regStr = "(?<=<td\\s*align=\\\"center\\\">)[^<]*?(?=<br/><br/></td>)";
//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;
}