--真正实现了多线程，但总逻辑有点不对头。

YQSQLite/NavFrm.cs

@@ -99,24 +99,7 @@ private void DownLoadRssItem(NavUrl navurl)
                     break;
 
             }
-            ////保存RssItem数据 由于更改了RssItem类，有strat（）方法，得到的RssItem对象。
-
-            //List<RssItem> listRss = new List<RssItem>();
-            //var q = from p in mf.DS.RssItem.AsEnumerable()
-            //        select p;
-            //foreach (var i in q)
-            //{
-            //    RssItem ri = new RssItem(mf.DS, i.RssItemID, i.SiteName, i.ChannelCode, i.Title, i.Link, Convert.ToDateTime(i.PubDate)
-            //    , i.IsRead, i.Content);
-            //    listRss.Add(ri);
-            //}
-            ////多线程启动了下载内容部分。
-            //for (int i = 0; i < listRss.Count; i++)
-            //{
-            //    listRss[i].Start();
-            //}
-            //如何更新到库？此时得到是个RssItem的集合。从集合到DS→DB？？？如果直接去采集内容网络数据量太大，不方便处理。把这人问题放在SelcetFrm中处理吧。
-
+
             mf.SaveRssItemToDB(mf.DS.RssItem);
             //更新总数  不要在这里作了。容易出错
 
@@ -216,7 +199,7 @@ private void Nomal_GetRssXml(NavUrl navurl)
                         if (Convert.ToDateTime(result.PubDate) > (DateTime.Now.AddDays(-7)))
                         {
 
-                            ////先在DS中加入一行，
+                            //先在DS中加入一行，
                             mf.DS.RssItem.AddRssItemRow(navurl.Name, navurl.Code, result.Title.Trim(), result.Link, result.PubDate, "F", "");
                             //既然是新增的找ID困难，那么我们就只专心做上面的一件事，其它的：比如显示呀，多线程采集内容呀，下一步再说。现在测试
 

YQSQLite/SelectFrm.cs

@@ -286,28 +286,28 @@ private void btnAdd_Click(object sender, EventArgs e)
             if (listView1.SelectedItems.Count > 0)
             {
                 RssItem rssitem = listView1.SelectedItems[0].Tag as RssItem;
-                
+
                 //从库中查找数据：以link为唯一索引的ID值
                 int qID = (from p in mf.DS.RssItem.AsEnumerable()
-                         where p.Link == rssitem.Link
-                         select p.RssItemID).FirstOrDefault();
+                           where p.Link == rssitem.Link
+                           select p.RssItemID).FirstOrDefault();
 
                 YQDataSet.RssItemRow rir = mf.DS.RssItem.FindByRssItemID(qID);
                 rssitem.IsRead = "W";            //待处理 变为 W
                 rssitem.Content = htmlEditor1.HTML;
 
-              
+
 
                 mf.NewsAdd(rssitem);//重点
 
                 rir.Content = rssitem.Content;
                 rir.IsRead = rssitem.IsRead;
                 mf.rssTap.Update(rir);//todo:不能更新，ID问题，且内容部分为空。
-               
+
 
                 listView1.SelectedItems[0].Remove();
                 htmlEditor1.HTML = "";
-               
+
 
 
             }
@@ -372,8 +372,17 @@ private void listView1_SelectedIndexChanged(object sender, EventArgs e)
                 //初始化
                 rtbCode.Clear();
                 rtbText.Clear();
-                htmlEditor1.HTML = "";
-                DownContent(it.Link);
+                if (it.Content == "")
+                {
+                    // DownContent(it.Link);
+                }
+                else
+                {
+                    this.Invoke(new ThreadStart(delegate { htmlEditor1.HTML = it.Content; }));
+
+                }
+
+
             }
         }
         //定义不同网站，不同的正文定义，和排除部分源码标记
@@ -600,35 +609,57 @@ public SortOrder Order
         #endregion
 
         #region 导步更新ListView
+        public void _UplistView(ListViewItem i)
+        {
+            this.Invoke(new ThreadStart(delegate
+            {
+                listView1.Items.Add(i);
+
+            }));
+        }
+
         public void ReLoadSelectFrmListView(TreeNode tn)
         {
             NavUrl nu = tn.Tag as NavUrl;
-            this.Invoke((new ThreadStart(delegate
+
+            List<RssItem> listRss = new List<RssItem>();
+
+            listView1.Items.Clear();
+            var q = from p in mf.DS.RssItem.AsEnumerable()
+                    where p.ChannelCode.StartsWith(nu.Code) && p.IsRead == "F"
+                    orderby p.PubDate descending, p.Title
+                    select p;
+            foreach (var i in q)
             {
-                listView1.Items.Clear();
-                var q = from p in mf.DS.RssItem.AsEnumerable()
-                        where p.ChannelCode.StartsWith(nu.Code) && p.IsRead == "F"
-                        orderby p.PubDate descending, p.Title
-                        select p;
-                foreach (var item in q)
+                RssItem ri = new RssItem(mf.DS, i.RssItemID, i.SiteName, i.ChannelCode, i.Title, i.Link, Convert.ToDateTime(i.PubDate)
+                , i.IsRead, i.Content);
+                ri.uplist = new UpdataListView(_UplistView);
+                listRss.Add(ri);
+            }
+            //todo:这里可否运行多线程的自动下载内容部分？然后改一下，listview表中项的背景显示。
+
+            //保存RssItem数据 由于更改了RssItem类，有strat（）方法，得到的RssItem对象。
+
+
+            //多线程启动了下载内容部分。
+            for (int i = 0; i < listRss.Count; i++)
+            {
+                if (listRss[i].Content == "")
+                {
+                    listRss[i].Start();
+                }
+                else
                 {
-                    RssItem rsit = new RssItem();
-                    rsit.RssItemID = item.RssItemID;
-                    rsit.SiteName = item.SiteName;
-                    rsit.ChannelCode = item.ChannelCode;
-                    rsit.Title = item.Title;
-                    rsit.Link = item.Link;
-                    rsit.PubDate = Convert.ToDateTime(item.PubDate);
-                    rsit.IsRead = item.IsRead;
-                    rsit.Content = item.Content;
-                    ListViewItem lv = new ListViewItem(new string[] { rsit.Title, rsit.PubDate.ToString("yyyy-MM-dd HH:mm:ss"), rsit.SiteName });
-                    lv.Tag = rsit;
-                    listView1.Items.Add(lv);
+                    DownContent(listRss[i].Link);    
                 }
-            })));
+
+            }
+            //存盘吗？？？
+         //  mf.SaveRssItemToDB(mf.DS.RssItem);
+
         }
         #endregion
 
-     
+
     }
 }

YQSQLite/myClass.cs

@@ -12,10 +12,11 @@
 using ScrapySharp.Extensions;
 using HtmlAgilityPack;
 using System.Linq;
+using System.Drawing;
 
 namespace YQSQLite
 {
-    // public delegate void UpdataListView(ListViewItem lv);
+    public delegate void UpdataListView(ListViewItem lv);
     public class caiji
     {
         public int ID { get; set; }
@@ -94,16 +95,20 @@ public class RssItem
         //传参用的
         public YQDataSet mDs;
         public Thread th;
-        //public UpdataListView uplist;
+        public UpdataListView uplist;
         ListViewItem lvs = new ListViewItem();
         public void Start()
         {
             th = new Thread(new ThreadStart(delegate
             {
                 DownContent();
-
-                //uplist(lvs);
+                RssItem ri = new RssItem(this.RssItemID,this.SiteName,this.ChannelCode,this.Title,this.Link,this.PubDate,this.IsRead,this.Content);
+                ListViewItem lv = new ListViewItem(new string[] { this.Title, this.PubDate.ToString("yyyy-MM-dd HH:mm:ss"), this.SiteName});
+                lv.Tag = ri;
+                lv.BackColor= Color.Red;
+                uplist(lv);
             }));
+            th.IsBackground = true;
             th.Start();
         }
         public int RssItemID { get; set; }
@@ -205,8 +210,8 @@ private void CastCont(string link, string FlagCont)
                 //htmlEditor1.HTML = doc.InnerHtml;
                 //rtbText.Text = doc.InnerText;
                 this.Content = doc.InnerText;
-                //YQDataSet.RssItemRow rir = mDs.RssItem.FindByRssItemID(this.RssItemID);
-                //rir.Content = this.Content;
+                YQDataSet.RssItemRow rir = mDs.RssItem.FindByRssItemID(this.RssItemID);
+                rir.Content = this.Content;
             }
         }
         private void CastCont(string link, string FlagCont, string[] DelFlag)
@@ -238,8 +243,8 @@ private void CastCont(string link, string FlagCont, string[] DelFlag)
                 //htmlEditor1.HTML = doc.InnerHtml;
                 //rtbText.Text = doc.InnerText;
                 this.Content = doc.InnerText;
-                //YQDataSet.RssItemRow rir = mDs.RssItem.FindByRssItemID(this.RssItemID);
-                //rir.Content = this.Content;
+                YQDataSet.RssItemRow rir = mDs.RssItem.FindByRssItemID(this.RssItemID);
+                rir.Content = this.Content;
 
             }
         }