/// <summary>
/// 文章来源
/// </summary>
/// <param name="sInput">输入内容</param>
/// <param name="sRegex">表达式字符串</param>
public static string GetSource(string sInput, string sRegex)
{
string sSource = GetText(sInput, sRegex, "Source");
sSource = CString.ClearTag(sSource);
if (sSource.Length > 99)
{
sSource = sSource.Substring(0, 99);
}
return(sSource);
}
/// <summary>
/// 作者名
/// </summary>
/// <param name="sInput">输入内容</param>
/// <param name="sRegex">表达式字符串</param>
public static string GetAuthor(string sInput, string sRegex)
{
string sAuthor = GetText(sInput, sRegex, "Author");
sAuthor = CString.ClearTag(sAuthor);
if (sAuthor.Length > 99)
{
sAuthor = sAuthor.Substring(0, 99);
}
return(sAuthor);
}
/// <summary>
/// 文章标题
/// </summary>
/// <param name="sInput">输入内容</param>
/// <param name="sRegex">表达式字符串</param>
public static string GetTitle(string sInput, string sRegex)
{
string sTitle = GetText(sInput, sRegex, "Title");
sTitle = CString.ClearTag(sTitle);
if (sTitle.Length > 99)
{
sTitle = sTitle.Substring(0, 99);
}
return(sTitle);
}
/// <summary>
/// 根据相对路径得到绝对路径
/// </summary>
/// <param name="sUrl">输入内容</param>
/// <param name="sInput">原始网站地址</param>
/// <param name="sRelativeUrl">相对链接地址</param>
public static string GetUrl(string sInput, string sRelativeUrl)
{
string sReturnUrl = "";
string sUrl = _GetStandardUrlDepth(sInput);//返回了http://www.163.com/news/这种形式
if (sRelativeUrl.ToLower().StartsWith("http") || sRelativeUrl.ToLower().StartsWith("https"))
{
sReturnUrl = sRelativeUrl.Trim();
}
else if (sRelativeUrl.StartsWith("/"))
{
sReturnUrl = GetDomain(sInput) + sRelativeUrl;
}
else if (sRelativeUrl.StartsWith("../"))
{
sUrl = sUrl.Substring(0, sUrl.Length - 1);
while (sRelativeUrl.IndexOf("../") >= 0)
{
string temp = CString.GetPreStrByLast(sUrl, "/");
if (temp.Length > 6)
{
//temp != "http:/"，否则的话，说明已经回溯到尽头了，"../"与网址的层次对应不上。存在这种情况，网页上面的链接是错误的，但浏览器还能正常显示
sUrl = temp;
}
sRelativeUrl = sRelativeUrl.Substring(3);
}
sReturnUrl = sUrl + "/" + sRelativeUrl.Trim();
}
else if (sRelativeUrl.StartsWith("./"))
{
sReturnUrl = sUrl + sRelativeUrl.Trim().Substring(2);
}
else if (sRelativeUrl.Trim() != "")
{
//2007images/modecss.css
sReturnUrl = sUrl + sRelativeUrl.Trim();
}
else
{
sRelativeUrl = sUrl;
}
return(sReturnUrl);
}
