一步步开发自己的博客（一）

这次开发的博客主要功能或特点：

第一：可以兼容各终端，特别是手机端。

第二：到时会用到大量html5，炫啊。

第三：导入博客园的精华文章，并做分类。（不要封我）

第四：做个插件，任何网站上的技术文章都可以转发收藏 到本博客。

/// <summary> /// 根据用户导入cnblog数据 /// </summary> /// <param name="userName"></param> /// <returns></returns> public string Import(string userName, string iszf = "false") {  int blosNumber = 0;  JavaScriptSerializer jss = new JavaScriptSerializer();  string url = "http://www.cnblogs.com/" + userName + @"/mvc/blog/sidecolumn.aspx";  HtmlAgilityPack.HtmlWeb htmlweb = new HtmlAgilityPack.HtmlWeb();  var docment = htmlweb.Load(url);  string userid = GetCnblogUserId(userName);  var liS = docment.DocumentNode.SelectNodes("//*[@id='sidebar_categories']/div[1]/ul/li");  foreach (var item in liS)  {   var tXPath = item.XPath;   var href = item.SelectSingleNode(tXPath + "/a").Attributes["href"].Value;   var blogtype = htmlweb.Load(href);   //var entrylistItem = blogtype.DocumentNode.SelectNodes("//*[@id='mainContent']/div/div[2]/div[@class='entrylistItem']");   var entrylistItem = blogtype.DocumentNode.SelectNodes("//div[@class='entrylistItem']");   if (null == entrylistItem)//做兼容    entrylistItem = blogtype.DocumentNode.SelectNodes("//div[@class='post post-list-item']"); //    if (null == entrylistItem)   {    continue;   }   foreach (var typeitem in entrylistItem)   {    var typeitemXPath = typeitem.XPath;    var typeitemhrefObj = typeitem.SelectSingleNode(typeitemXPath + "/div/a");    if (null == typeitemhrefObj) //做兼容     typeitemhrefObj = typeitem.SelectSingleNode(typeitemXPath + "/h2/a");    var typeitemhref = typeitemhrefObj.Attributes["href"].Value;    if (IsAreBlog(typeitemhref))     continue;//说明这篇文章已经备份过了的    var bloghtml = htmlweb.Load(typeitemhref);    var blogcontextobj = bloghtml.DocumentNode.SelectSingleNode("//*[@id='cnblogs_post_body']");//.InnerHtml;    if (blogcontextobj == null) continue;//有可能是加密文章    var blogcontext = blogcontextobj.InnerHtml;    var blogtitle = bloghtml.DocumentNode.SelectSingleNode("//*[@id='cb_post_title_url']").InnerText;    var blogurl = bloghtml.DocumentNode.SelectSingleNode("//*[@id='cb_post_title_url']").Attributes["href"].Value;    var blogtypetagurl = "http://www.cnblogs.com/mvc/blog/CategoriesTags.aspx?blogApp=" + userName + "&blogId=" + userid + " =" +     typeitemhref.Substring(typeitemhref.LastIndexOf('/') + 1, typeitemhref.LastIndexOf('.') - typeitemhref.LastIndexOf('/') - 1);    var blogtag = Blogs.Common.Helper.MyHtmlHelper.GetRequest(blogtypetagurl);    var jsonobj = jss.Deserialize<Dictionary<string, string>>(blogtag);    if (null == jsonobj)     continue;//如果没有 则返回  (这里只能去 数字.html  不能取那种自定义的url)    var tagSplit = jsonobj["Tags"].Split(',');    var blogtagid = new List<int>();    for (int i = 0; i < tagSplit.Length; i++)    {     if (tagSplit[i].Length >= 1 && tagSplit[i].LastIndexOf('<') >= 1)     {      var blogtagname = tagSplit[i].Substring(tagSplit[i].IndexOf('>') + 1, tagSplit[i].LastIndexOf('<') - tagSplit[i].IndexOf('>') - 1);      blogtagid.Add(this.GetTagId(blogtagname, userName));     }    }    var categoriesSplit = jsonobj["Categories"].Split(',');    var blogtypeid = new List<int>();    for (int i = 0; i < categoriesSplit.Length; i++)    {     if (categoriesSplit[i].Length >= 1 && categoriesSplit[i].LastIndexOf('<') >= 1)     {      var blogtypename = categoriesSplit[i].Substring(categoriesSplit[i].IndexOf('>') + 1, categoriesSplit[i].LastIndexOf('<') - categoriesSplit[i].IndexOf('>') - 1);      blogtypeid.Add(this.GetTypeId(blogtypename, userName));     }    }    var blogtimeobj = bloghtml.DocumentNode.SelectSingleNode("//*[@id='post-date']");    var blogtime = "";    if (null != blogtimeobj)     blogtime = blogtimeobj.InnerText;    BlogsBLL blog = new BlogsBLL();    var myBlogTags = new BlogTagsBLL().GetList(t => blogtagid.Contains(t.Id), isAsNoTracking: false).ToList();//.ToList();              var myBlogTypes = new BLL.BlogTypesBLL().GetList(t => blogtypeid.Contains(t.Id), isAsNoTracking: false).ToList();//.ToList();    try    {     var modelMyBlogs = new ModelDB.Blogs()     {      BlogContent = blogcontext,      BlogCreateTime = blogtime,      BlogTitle = blogtitle,      BlogUrl = blogurl,      IsDel = false,      BlogTags = myBlogTags,      BlogTypes = myBlogTypes,      UsersId = GetUserId(userName),      BlogForUrl = blogurl,      IsForwarding = iszf == "checked"     };     blog.Add(modelMyBlogs);     blog.save();     blosNumber++;    }    catch (Exception)    {     throw;    }   }  }  if (blosNumber > 0)   return "成功导入" + blosNumber + "篇Blog";  return "ok"; } private int GetTagId(string tagname, string userName) {  BlogTagsBLL blogtag = new BlogTagsBLL();  try  {   var blogtagmode = blogtag.GetList(t => t.TagName == tagname);   if (blogtagmode.Count() >= 1)    return blogtagmode.FirstOrDefault().Id;   else   {    blogtag.Add(new ModelDB.BlogTags()    {     TagName = tagname,     IsDel = false,     UsersId = GetUserId(userName)    });    blogtag.save();    return GetTagId(tagname, userName);   }  }  catch (Exception)  {   return -1;  } } private int GetTypeId(string typename, string userName) {  BlogTypesBLL blogtype = new BlogTypesBLL();  var blogtagmode = blogtype.GetList(t => t.TypeName == typename);  if (blogtagmode.Count() >= 1)   return blogtagmode.FirstOrDefault().Id;  else  {   blogtype.Add(new ModelDB.BlogTypes()   {    TypeName = typename,    CreateTime = DateTime.Now,    IsDel = false,    UsersId = GetUserId(userName)   });   blogtype.save();   return GetTypeId(typename, userName);  } } /// <summary> /// 获取haojima用户id /// </summary> /// <param name="userName"></param> /// <returns></returns> private int GetUserId(string userName) {  BlogUsersBLL user = new BlogUsersBLL();  var blogtagmode = user.GetList(t => t.UserName == userName);  if (blogtagmode.Count() >= 1)   return blogtagmode.FirstOrDefault().Id;  else  {   user.Add(new ModelDB.BlogUsers()   {    UserName = userName,    IsDel = false,    UserPass = "admin",    UserNickname = userName   });   user.save();   return GetUserId(userName);  } } /// <summary> /// 检查 这个 url地址 是否被添加过 /// </summary> /// <param name="url"></param> /// <returns></returns> private bool IsAreBlog(string url) {  BLL.BlogsBLL blog = new BLL.BlogsBLL();  var blogs = blog.GetList(t => t.BlogUrl == url);  return blogs.Count() >= 1; } /// <summary> /// 获取cnblog用户id /// </summary> /// <param name="url"></param> /// <returns></returns> private string GetCnblogUserId(string url) {  HtmlAgilityPack.HtmlWeb htmlweb = new HtmlAgilityPack.HtmlWeb();  var docment = htmlweb.Load("http://www.cnblogs.com/" + url);  var list = docment.DocumentNode.SelectNodes("//link[@rel='stylesheet']");  foreach (var item in list)  {   if (null != item.Attributes && item.Attributes.Contains("href"))   {    var href = item.Attributes["href"].Value;    href = href.Substring(href.LastIndexOf("/") + 1, href.IndexOf(".") - href.LastIndexOf("/") - 1);    int userid = -1;    if (int.TryParse(href, out userid))     return userid.ToString();   }  }  return ""; }