使用OOP 实战新闻阅读器

界面效果

  

 

类名	代码	备注
配置文件管理类	PfrofileManager
配置文件类	Pfrofile
频道类	RssFeed
文章类	Aricle
界面类	FrmReder	界面

 

配置文件管理类

类名PfrofileManager类
属性	方法
配置文件Profile	保存Save()
	保存到XMLSaveToXml()
	读取数据持久化数据Load()
	从XML中读取LoadFromXMl()

 

配置文件类

类名Pfrofile类
属性	方法FetchAricle() 读取频道文章列表
频道集合Feeds	初始化（用记测试数据）InitData()

 

频道类

类名RssFeed
属性	方法
频道名称DisplayName	填充文章列表
链接地址Url	重载构造函数RssFeed()…
描述Descript
点击次数Clicks

 

文章类

类名Aricle
属性	方法
文章标题Title
文件链接Url

 

界面类

类名FrmReder
属性	方法
配置文件管理类 pm(ProfileManager)	刷新界面UpdateUI()

配置文件管理类 PfrofileManager 

using System; using System.Collections.Generic; using System.Text; namespace MyNewReader.Model { public class PfrofileManager { public PfrofileManager() { profile = new Profile(); } private Profile profile; /// <summary> /// 配置 /// </summary> public Profile Profile { get { return profile; } set { profile = value; } } public void Save() { } public void SaveToXml() { } public void Load() { } public void LoadFromXml() { } } }  

配置文件类 Pfrofile 

using System; using System.Collections.Generic; using System.Text; namespace MyNewReader.Model { public class Profile { public Profile() { feeds = new Dictionary<string, RssFeed>(); } private Dictionary<string, RssFeed> feeds; /// <summary> /// 频道集合 /// </summary> public Dictionary<string, RssFeed> Feeds { get { return feeds; } set { feeds = value; } } public void InitData() { //添加一个频道 2文章 RssFeed itFeed = new RssFeed("it频道", "http://blog.youkuaiyun.com/pc1024/Rss.aspx", "牛IT"); //将频道添加到集合 if (this.feeds.ContainsKey(itFeed.DisplayName)) { throw new Exception("已存在频道"); } this.feeds.Add(itFeed.DisplayName, itFeed); Article art1 = new Article("Verizon CFO托本计划年中退休", "http://192.168.100.253/Web%E6%9C%8D%E5%8A%A1%E5%99%A8%E5%9B%BE%E7%89%87/dingdang.png"); //将文章添加到频道 itFeed.Articles.Add(art1.Title, art1); } } }
频道类 RssFeed 

using System; using System.Collections.Generic; using System.Text; using System.Net; using System.Xml; namespace MyNewReader.Model { public class RssFeed { public RssFeed() { articles = new Dictionary<string, Article>(); } /// <summary> /// 创建频道 /// </summary> /// <param name="displayName">频道名称</param> /// <param name="url">频道地址</param> public RssFeed(string displayName, string url) : this() { this.DisplayName = displayName; this.Url = url; } /// <summary> /// 创建频道 /// </summary> /// <param name="displayName">频道名称</param> /// <param name="url">频道地址</param> /// <param name="descript">频道描述</param> public RssFeed(string displayName, string url, string descript) : this(displayName, url) { this.Descript = descript; } private string displayName; private string descript; private string url; private int clicks = 0; private Dictionary<string, Article> articles; #region 属性 /// <summary> /// 文章集合 /// </summary> public Dictionary<string, Article> Articles { get { return articles; } set { articles = value; } } /// <summary> /// 点数 /// </summary> public int Clicks { get { return clicks; } set { clicks = value; } } /// <summary> /// 地址 /// </summary> public string Url { get { return url; } set { url = value; } } /// <summary> /// 频道描述 /// </summary> public string Descript { get { return descript; } set { descript = value; } } /// <summary> /// 显示名称 /// </summary> public string DisplayName { get { return displayName; } set { displayName = value; } } #endregion //方法 public void FeachArtcles() { this.Articles.Clear();//清空原始节点内容 //下载 WebClient wc = new WebClient(); string fileName = this.DisplayName + ".rss"; wc.DownloadFile(this.Url, fileName); //解析 XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(fileName); XmlNode root = xmlDoc.DocumentElement;//根节点 foreach (XmlNode rss in root.ChildNodes) { foreach (XmlNode chanel in rss.ChildNodes) { if (chanel.Name == "item") { Article objArtcle = new Article(); foreach (XmlNode artNode in chanel) { //文章 if (artNode.Name == "title") { objArtcle.Title = artNode.InnerText; } if (artNode.Name == "link") { objArtcle.Url = artNode.InnerText; } } if (!this.Articles.ContainsKey(objArtcle.Title)) { this.Articles.Add(objArtcle.Title, objArtcle); } } } } } } }
文章类 Aricle 

using System; using System.Collections.Generic; using System.Text; namespace MyNewReader.Model { public class Article { public Article() { } /// <summary> /// 文章 /// </summary> /// <param name="title">文章标题</param> /// <param name="url">文章地址</param> public Article(string s1, string s2) : this() { this.Title = s1; this.Url = s2; } private string title; /// <summary> /// 标题 /// </summary> public string Title { get { return title; } set { title = value; } } private string url; /// <summary> /// 路径 /// </summary> public string Url { get { return url; } set { url = value; } } } }
界面类 FrmReder 

 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using MyNewReader.Model; namespace MyNewReader.UI { public partial class FrmRssReader : Form { public FrmRssReader() { InitializeComponent(); pm = new PfrofileManager(); } private PfrofileManager pm;//配置文件管理器 private void FrmRssReader_Load(object sender, EventArgs e) { pm.Profile.InitData(); UpdateUI(); } public void UpdateUI() { this.tvMain.Nodes.Clear(); foreach (Model.RssFeed feed in pm.Profile.Feeds.Values) { TreeNode feedNode = new TreeNode(feed.DisplayName); feedNode.Tag = feed;//频道对象放入节点Tag tvMain.Nodes.Add(feedNode); foreach (Model.Article article in feed.Articles.Values) { TreeNode articleNode = new TreeNode(article.Title); articleNode.Tag = article;//放入节点Tag feedNode.Nodes.Add(articleNode); } } } private void tvMain_DoubleClick(object sender, EventArgs e) { if (tvMain.SelectedNode == null) { return; } //取出选中节点 TreeNode selNode = tvMain.SelectedNode; if (selNode.Tag == null)//无用节点 { return; } if (selNode.Tag is Article) //is 类型处理 { Article objArticle = (Article)selNode.Tag; string url = objArticle.Url; webBrowser1.Navigate(url); } } private void tsbFetchArtcle_Click(object sender, EventArgs e) { if (tvMain.SelectedNode == null) { return; } //取出选中节点 TreeNode selNode = tvMain.SelectedNode; if (selNode.Tag == null)//无用节点 { return; } if (selNode.Tag is RssFeed) { RssFeed feed = (RssFeed)selNode.Tag; feed.FeachArtcles(); } UpdateUI(); } } }