/// <summary> /// 根据url获取html /// 使用代理之前必须执行GetProxyIps() /// </summary> /// <param name="url">url</param> /// <param name="cookie">cookie</param> /// <param name="encoding">编码</param> /// <param name="useProxy">是否用代理</param> /// <returns></returns> public static string GetHtmlByUrl(string url, string cookie, Encoding encoding, bool useProxy) { string html = ""; try { using (var http = new HttpHelper(url, "Get", encoding, cookie, "", "")) { //若已没有代理,则不使用代理 if (useProxy) { var proxy = GetProxy(); if (proxy != null) http.SetWebProxy(_proxyIp.Ip, _proxyIp.Port); } html = http.GetHtml(); if (string.IsNullOrEmpty(html)) CheckProxyIpErr(); Thread.Sleep(300); } } catch { } return html; }
/// <summary> /// 根据url地址下载文件(主要是图片文件) /// </summary> /// <param name="url">文件地址</param> /// <param name="filename">保存的文件名(含路径)</param> /// <param name="useProxy">是否用代理</param> /// <returns></returns> public static bool UrlDownLoadToFile(string url, string filename,bool useProxy) { bool result; using (var http = new HttpHelper(url)) { //若已没有代理,则不使用代理 if (useProxy && _ipList.Count() > 0) { var proxy = GetProxy(); if (proxy != null) http.SetWebProxy(_proxyIp.Ip, _proxyIp.Port); } result = http.SaveFile(filename); Thread.Sleep(100); } return result; }