/// <summary>
/// 获取微博登录验证码图片
/// </summary>
/// <param name="pcid">预登录pcid</param>
/// <returns></returns>
public static Image GetLoginCodePic(string pcid)
{
if (!string.IsNullOrEmpty(pcid))
{
try
{
string url = string.Format("http://login.sina.com.cn/cgi/pin.php?r={0}&s=0&p={1}", DateTime.Now.TimeStamp(), pcid);
using (var stream = WebDownload.HttpDownload(url))
{
if (stream != null)
{
return(Image.FromStream(stream));
}
}
}
catch
{ }
}
return(null);
}
