publicRequester(string url, Dictionary<string, string> headers = null, Browser browser = null) { var u = new Uri(url); //检测地址是域名还是IP地址,如果是域名,则使用DnsResolver解析为IP地址 var leftPart = u.GetLeftPart(UriPartial.Authority).Replace(u.GetLeftPart(UriPartial.Scheme), ""); //正则匹配是否为IP地址 if (!RegexHelper.IsMatch(leftPart, @"\d+\.\d+\.\d+\.\d+\w")) { var dns = new DnsResolver(leftPart); if (dns.IsSuccess) u = new Uri(url.Replace(leftPart, dns.Record.Address.ToString())); } Url = u; Browser = browser ?? new Browser(); if (headers == null) return; foreach (var header in headers) Browser.Headers[header.Key] = header.Value; }