/// <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);
}
public static string GetUrl(string sInput, string sRelativeUrl)
{
string sOrg = smethod_0(sInput);
if (sRelativeUrl.ToLower().StartsWith("http") || sRelativeUrl.ToLower().StartsWith("https"))
{
return(sRelativeUrl.Trim());
}
if (sRelativeUrl.StartsWith("/"))
{
return(GetDomain(sInput) + sRelativeUrl);
}
if (sRelativeUrl.StartsWith("../"))
{
sOrg = sOrg.Substring(0, sOrg.Length - 1);
while (sRelativeUrl.IndexOf("../") >= 0)
{
string preStrByLast = CString.GetPreStrByLast(sOrg, "/");
if (preStrByLast.Length > 6)
{
sOrg = preStrByLast;
}
sRelativeUrl = sRelativeUrl.Substring(3);
}
return(sOrg + "/" + sRelativeUrl.Trim());
}
if (sRelativeUrl.StartsWith("./"))
{
return(sOrg + sRelativeUrl.Trim().Substring(2));
}
if (sRelativeUrl.Trim() != "")
{
return(sOrg + sRelativeUrl.Trim());
}
sRelativeUrl = sOrg;
return("");
}