/// <summary>
/// 获取html代码中的description
/// </summary>
/// <param name="html">html内容</param>
/// <param name="ignoreCas">是否忽略大小写</param>
/// <returns>description</returns>
public static string GetDescription(string html, bool ignoreCas)
{
string description = HttpCollects.GetMetaString(html, "<meta([\\s]*)name=\"description\"([\\s]*)content=\"", "\"([\\s]*)/?>", ignoreCas);
if (string.IsNullOrEmpty(description))
{
description = HttpCollects.GetMetaString(html, "<meta([\\s]*)content=\"", "\"([\\s]*)name=\"description\"([\\s]*)/?>", ignoreCas);
}
return(description);
}
/// <summary>
/// 获取html内容中的Title
/// </summary>
/// <param name="html">html内容</param>
/// <param name="ignoreCas">是否忽略大小写</param>
/// <returns>标签title</returns>
public static string GetTitle(string html, bool ignoreCas)
{
string title = HttpCollects.GetMetaString(html, "<meta name=\"title\"([\\s]*)content=\"", "\"([\\s]*)/?>", ignoreCas);
if (string.IsNullOrEmpty(title))
{
string regex = @"(?<=<title.*>)([\s\S]*)(?=</title>)";
System.Text.RegularExpressions.Regex ex = new System.Text.RegularExpressions.Regex(regex, System.Text.RegularExpressions.RegexOptions.IgnoreCase);
return(ex.Match(html).Value.Trim());
}
return(title);
}