/// <summary>
/// 获得 <see cref="WebException"/> 所对应的 <see cref="HttpWebResponse"/>
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public static HttpWebResponse AsHttpWebResponse(this WebException e)
{
if (!e.IsHttpResponse())
{
return(null);
}
else
{
return(e.Response as HttpWebResponse);
}
}
