public static string DownloadFile(string url, string directory, string referer = "https://zhihu.com", string userAgent = "Mozilla/5.0 (iPad; CPU OS 10_3_3 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Mobile/14G60", string cookie = "", string extension = "A")
{
try
{
Directory.CreateDirectory(directory);
using (var web = new WebClient())
{
web.Headers.Set(HttpRequestHeader.Referer, referer);
web.Headers.Set(HttpRequestHeader.UserAgent, userAgent);
web.Headers.Set(HttpRequestHeader.Cookie, cookie);
if (url.StartsWith("//"))
{
url = "http:" + url;
}
if (url.StartsWith("/") && !url.StartsWith("//"))
{
url = "http://mp.qq.com" + url;
}
if (extension == "A")
{
WebRequest request = WebRequest.Create(url);
WebResponse response = request.GetResponse();
switch (response.ContentType)
{
case "image/gif":
return(""); //extension = ".gif"; break;
case "image/jpeg":
extension = ".jpg"; break;
case "image/png":
extension = ".png"; break;
default:
break;
}
}
string fileName = HashTools.Hash_MD5_16(url) + extension;
if (!File.Exists(fileName))
{
web.DownloadFile(url, directory + fileName);
}
return(fileName);
}
}
catch (Exception)
{
return("");
}
}
private void makeOpfFile()
{
StringBuilder opf = new StringBuilder("<?xml version='1.0' encoding='utf-8'?>");
opf.AppendFormat(Environment.NewLine + @"<package xmlns=""http://www.idpf.org/2007/opf"" version=""2.0"" unique-identifier=""{0}"">", HashTools.Hash_MD5_16(title + date));
opf.AppendFormat(Environment.NewLine +
@"<metadata>" + Environment.NewLine +
@" <dc-metadata xmlns:dc=""http://purl.org/dc/elements/1.1/"" xmlns:opf=""http://www.idpf.org/2007/opf"">" + Environment.NewLine +
@" <dc:title>{0}</dc:title>" + Environment.NewLine +
@" <dc:language>{1}</dc:language>" + Environment.NewLine +
@" <dc:Identifier id=""uid"">{2}</dc:Identifier>" + Environment.NewLine +
@" <dc:creator>{3}</dc:creator>" + Environment.NewLine +
@" <dc:publisher>{4}</dc:publisher>" + Environment.NewLine +
@" <dc:subject>{5}</dc:subject>" + Environment.NewLine +
@" <dc:date>{6}</dc:date>" + Environment.NewLine +
@" <dc:description>{7}</dc:description>" + Environment.NewLine +
@" </dc-metadata>", title, language, Guid.NewGuid(), creator, publisher, subject, date, description);
opf.AppendFormat(Environment.NewLine +
@"<x-metadata>" + Environment.NewLine +
@" <output content-type=""application/x-mobipocket-subscription-magazine"" encoding =""utf-8""/>" + Environment.NewLine +
@" <EmbeddedCover>./image/cover.jpg</EmbeddedCover>" + Environment.NewLine +
@" </x-metadata>" + Environment.NewLine +
@"</metadata>");
opf.Append(Environment.NewLine + "<manifest>");
int i = 0;
foreach (Story.Manifestx m in manifestList)
{
opf.AppendFormat(Environment.NewLine + @" <item href=""{0}"" media-type=""application/xhtml+xml"" id=""{1}""/>", (m[0])[0].Replace("/files", ""), string.Format("{0:D3}-html", ++i));//添加内部文章 html
}
i = 0;
foreach (Story.Manifestx m in manifestList)
{
foreach (string ima in (List <string>)m[1])
{
string extension = Regex.Match(ima, @".[^.]*?$").Value;
string type = "";
switch (extension)
{
case ".gif":
type = "image/gif"; break; //extension = ".gif"; break;
case ".jpg":
type = "image/jpeg"; break;
case ".png":
type = "image/png"; break;
default:
continue; //不添加这个图片
}
opf.AppendFormat(Environment.NewLine + @" <item href=""{0}"" media-type=""{1}"" id=""{2}""/>", ima.Replace(@"/files", ""), type, string.Format("{0:D3}-image", ++i)); //添加 html 对应的图片
}
}
opf.AppendFormat(Environment.NewLine +
@" <item href=""./html/contents.html"" media-type=""application/xhtml+xml"" id=""contents""/>" + Environment.NewLine +
@" <item href=""./misc/nav-contents.ncx"" media-type=""application/x-dtbncx+xml"" id=""nav-contents""/>" + Environment.NewLine +
@" <item href= ""./image/cover.jpg"" media-type= ""image/jpeg"" id= ""cover_img""/>" + Environment.NewLine +
@"</manifest>" + Environment.NewLine +
@"<spine toc=""nav-contents"">" + Environment.NewLine +
@" <itemref idref=""contents""/>");
for (i = 0; i < manifestList.Count; i++)
{
opf.AppendFormat(Environment.NewLine + @" <itemref idref=""{0}""/>", string.Format("{0:D3}-html", i + 1));
}
opf.Append(Environment.NewLine +
@"</spine>" + Environment.NewLine +
@"</package>");
System.IO.File.WriteAllText(@"files\" + title + ".opf", opf.ToString(), Encoding.UTF8);
}
