string IValidation.Validate(HtmlAgilityPack.HtmlDocument document, HtmlStaticizeContext status)
{
var errorMessage = new StringBuilder();
if (status.GenerationError != null)
{
var err = status.GenerationError;
errorMessage.AppendFormat("生成HTML期间发生错误：{0}\r\n{1}\r\n", err.Message, err.ToString());
}
if (status.DocumentLoadError != null)
{
var err = status.DocumentLoadError;
errorMessage.AppendFormat("加载HTML文档树期间发生错误：{0}\r\n{1}\r\n", err.Message, err.ToString());
}
return errorMessage.Length == 0 ? null : errorMessage.ToString();
}