public static bool GenerateSitemapFile(bool isFull)
{
bool flag = true;
try
{
List <SitemapNode> sitemapNodeList = new List <SitemapNode>();
IEnumerable <UrlNode> urlNodes = BaseDataDAL.GetUrls(isFull);
if (urlNodes != null && urlNodes.Any())
{
foreach (var urlNode in urlNodes)
{
sitemapNodeList.Add(new SitemapNode()
{
Url = urlNode.URL,
Frequency = SitemapFrequency.Weekly,
Priority = 2,
LastModified = DateTime.Now
});
}
}
WeeklySitemapJob.Logger.Info("有" + sitemapNodeList.Count() + "个URL需要导入文件");
int count = sitemapNodeList.Count() / 20000;
List <string> filelist = new List <string>();
for (int i = 0; i <= count; i++)
{
var sitemapList = sitemapNodeList.Skip(i * 20000).Take(20000);
string sitemapstr = GetSitemapDocument(sitemapList);
MemoryStream baoyangstream = GenerateStreamFromString(sitemapstr);
string filename = string.Format("Sitemap_{0}_{1}.xml", DateTime.Now.ToString("yyyy-MM-dd"), i);
using (FileStream filestream = new FileStream(filename, FileMode.Create))
{
baoyangstream.WriteTo(filestream);
filelist.Add(filename);
}
}
AddFileToZip("sitemap.zip", filelist);
Attachment fileattachment = new Attachment("sitemap.zip");
SendMail("SitemapFiles", ConfigurationManager.AppSettings["SEOFileJob:To"], fileattachment);
}
catch (Exception ex)
{
flag = false;
WeeklySitemapJob.Logger.Error(ex);
}
return(flag);
}
