/// <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;
}
