/// <summary>
/// 获取网页源码
/// </summary>
/// <param name="c"></param>
/// <param name="method"></param>
/// <param name="param"></param>
/// <returns></returns>
public static string GetHtml(this IHtml c, string method = null, string param = null)
{
return(c.GetHtml(Encoding.UTF8, method, param));
}
