/// <summary>
/// 删除一个文章
/// </summary>
/// <param name="article"></param>
/// <returns></returns>
public bool DelArticle(Article article)
{
try
{
using (ACSDbContext db = new ACSDbContext ())
{
db.Articles.Attach(article);
db.Articles.Remove(article);
db.SaveChanges();
}
return true;
}
catch (Exception)
{
return false;
}
}
public NewCollectForm(ref Article article)
{
InitializeComponent();
articleList.Add(article);
btn_Collect.Enabled = false;
btn_Save.Enabled = false;
lv_ArticleTitleList.Enabled = false;
txt_PublishDate.Text = article.Time.ToString();
txt_Title.Text = article.Title;
webBrowser1.DocumentText = article.Content;
BindArticleList();
lv_ArticleTitleList.Items[0].Checked = true;
lv_ArticleTitleList.Items[0].Selected = true;
}
public Entities.Article GetArticle(Model.Address address)
{
string html = this.GetHtmlString(GetWebResponse(address.address));
StanSoft.Article article = new StanSoft.Article();
article = Html2Article.GetArticle(html);
Entities.Article myArticle = new Entities.Article();
myArticle.ID = Guid.NewGuid();
myArticle.Time = article.PublishDate;
// 这里要去掉采集出来的标题的制表符回车等等
//以免在绑定到listview会看不见标题
string clearFilter = @"[\t\n\r]";
myArticle.Title = Regex.Replace(article.Title,clearFilter,"");
myArticle.Title = myArticle.Title.TrimStart();
myArticle.Title = myArticle.Title.TrimEnd();
myArticle.Site = address.site;
myArticle.Type = address.type;
myArticle.Content = StanSoft.UrlUtility.FixUrl(address.address, article.ContentWithTags);
return myArticle;
}
public bool UpdateArticle(Article article)
{
try
{
using (ACSDbContext db = new ACSDbContext())
{
DbEntityEntry<Article> entry = db.Entry<Article>(article);
entry.State = EntityState.Unchanged;
entry.Property("Title").IsModified = true;
entry.Property("Content").IsModified = true;
entry.Property("Time").IsModified = true;
db.SaveChanges();
}
return true;
}
catch (Exception)
{
return false;
}
}
/// <summary>
/// 图片处理
/// 根据文章信息 获取img的数目和对应的address
/// 返回一个List<ArticlePic>
/// </summary>
/// <param name="article"></param>
/// <returns></returns>
public bool Process(Article article)
{
//Regex regImg = new Regex(@"<img .*?>");// 匹配img标签的正则
//MatchCollection mc = regImg.Matches(article.Content);
Regex regSrc = new Regex(@"<img\b[^<>]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*[""']?[\s\t\r\n]*(?<imgUrl>[^\s\t\r\n""'<>]*)[^<>]*?/?[\s\t\r\n]*>", RegexOptions.IgnoreCase);
MatchCollection mcSrc = regSrc.Matches(article.Content);
//匹配img里面src
int count = 0;
foreach (Match item in mcSrc)
{
string imgName = Guid.NewGuid().ToString()+"_"+ (count++) + ".jpg";
regSrc.Replace(item.Value, remotePath + imgName);
try
{
//WNetAddConnection2A
int tag = NASHelper.NetWorkConnection.Connect(localPath, remotePath, userName, passWord);
if ( tag == 0)
{
if (GetImage(item.Groups["imgUrl"].Value, remotePath +"\\"+ imgName))
{
NASHelper.NetWorkConnection.Disconnect(localPath);
}
NASHelper.NetWorkConnection.Disconnect(localPath);
}
else {
return false;
}
}
catch (Exception)
{
return false;
}
}
return true;
}