public static string GetHtmlAsync(string url, string postdata, DownloadMethod method)
{
WebDownLoader info = new WebDownLoader();
info.Url = url;
info.Method = method;
info.PostData = postdata;
return(GetHtmlAsync(info));
}
public static string GetHtml(string url, string postdata, DownloadMethod method)
{
WebDownLoader info = new WebDownLoader();
info.Url = url;
info.Method = method;
info.PostData = postdata;
info.ConnectionTimeout = new TimeSpan(0, 10, 0);
return(GetHtml(info));
}
public static string GetHtmlAsync(WebDownLoader info)
{
string html = "";
RequestState <string> requestState = new RequestState <string>();
requestState.Complete = (request) =>
{
html = requestState.RequestData.ToString();
};
info.DownloadAsync <string>(requestState);
return(html);
}
public static string GetHtml(WebDownLoader info)
{
string html = string.Empty;
RequestState <string> requestState = new RequestState <string>();
requestState.Retry = 5;
requestState.Complete = (request) =>
{
html = request.RequestData.ToString();
};
info.Download <string>(requestState);
return(html);
}
public static string GetImage(string url, string path)
{
string imagepath = "";
WebDownLoader info = new WebDownLoader();
info.Url = url;
info.Method = DownloadMethod.GET;
RequestState <string> requestState = new RequestState <string>();
requestState.Retry = 15;
if (!DirectoryHelper.CreateDir(path))
{
return("path create fail");
}
requestState.Complete = (request) =>
{
byte[] data;
if (request.StreamResponse != null)
{
using (var stream = request.StreamResponse)
{
using (MemoryStream ms = new MemoryStream())
{
Byte[] buffer = new Byte[1024];
int current = 0;
while ((current = stream.Read(buffer, 0, buffer.Length)) != 0)
{
ms.Write(buffer, 0, current);
}
data = ms.ToArray();
}
}
string filename = path + "\\" + Guid.NewGuid().ToString() + url.Substring(url.LastIndexOf('.'));
if (FileHelper.WriteFile(data, filename))
{
imagepath = filename;
}
}
};
info.DownloadImage <string>(requestState);
return(imagepath);
}