1.XML文件
*存储频道信息
<?xml version="1.0" encoding="utf-8" ?> <TVChannels> <Channel> <channelType>TypeA</channelType> <!--频道类型--> <tvChannel>北京电视台</tvChannel> <!--频道名称--> <path>files/北京电视台.xml</path> <!--频道对应XML文件的本地路径--> </Channel> <Channel> <channelType>TypeB</channelType> <tvChannel>凤凰卫视</tvChannel> <path>files/凤凰卫视.xml</path> </Channel> </TVChannels> *北京电视台 <?xml version="1.0" encoding="utf-8" ?> <typeA version =" 1.0"> <channelName>北京电视台</channelName> <tvProgramTable> <tvProgram> <playTime>2013-9-29 06:02</playTime> <!--节目播出时间--> <meridien>早间档</meridien> <!--时段--> <programName>重播：国际双行线</programName> <!--节目名称--> <path>c:\a.wma</path> <!--视频路径--> </tvProgram> <tvProgram> <playTime>2013-9-29 07:00</playTime> <!--节目播出时间--> <meridien>早间档</meridien> <!--时段--> <programName>北京您早</programName> <!--节目名称--> <path>C:\New Stories (Highway Blues).wma</path> <!--视频路径--> </tvProgram> <tvProgram> <playTime>2013-9-29 09:02</playTime> <!--节目播出时间--> <meridien>早间档</meridien> <!--时段--> <programName>重播《红星剧场》32集剧：勇者无敌（31）</programName> <!--节目名称--> <path>**</path> <!--视频路径--> </tvProgram> <tvProgram> <playTime>2013-9-29 09:58</playTime> <meridien>早间档</meridien> <programName>重播《红星剧场》32集剧：勇者无敌（32）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 11:15</playTime> <meridien>午间档</meridien> <programName>重播：专题片：我爱你，中国（14）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 11:58</playTime> <meridien>午间档</meridien> <programName>身边</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 12:30</playTime> <meridien>午间档</meridien> <programName>特别关注</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 13:05</playTime> <meridien>午间档</meridien> <programName>天下天天谈</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 13:40</playTime> <meridien>午间档</meridien> <programName>《玫瑰剧场》55集剧：闯关东中篇（21）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 14:32</playTime> <meridien>午间档</meridien> <programName>《玫瑰剧场》55集剧：闯关东中篇（22）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 15:27</playTime> <meridien>下午档</meridien> <programName>《玫瑰剧场》55集剧：闯关东中篇（23）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 16:19</playTime> <meridien>下午档</meridien> <programName>《玫瑰剧场》55集剧：闯关东中篇（24）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 17:31</playTime> <meridien>下午档</meridien> <programName>法治进行时</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 18:00</playTime> <meridien>晚间档</meridien> <programName>新闻晚高峰</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 18:30</playTime> <meridien>晚间档</meridien> <programName>北京新闻</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 18:56</playTime> <meridien>晚间档</meridien> <programName>天气预报</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 19:00</playTime> <meridien>晚间档</meridien> <programName>转播CCTV新闻联播</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 19:31</playTime> <meridien>晚间档</meridien> <programName>看气象</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 19:40</playTime> <meridien>晚间档</meridien> <programName>专题片：我爱你，中国（15）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 20:22</playTime> <meridien>晚间档</meridien> <programName>《爸妈都是老党员》首播庆典</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 21:21</playTime> <meridien>晚间档</meridien> <programName>《红星剧场》38集剧：咱爸咱妈六十年（1）</programName> <path>**</path> </tvProgram> <tvProgram> <playTime>2013-9-29 23:25</playTime> <meridien>晚间档</meridien> <programName>重播文艺：花样年华歌舞大赛（5）</programName> <path>**</path> </tvProgram> </tvProgramTable> </typeA> *凤凰卫视 <?xml version="1.0" encoding="utf-8" ?> <typeB version =" 1.0"> <ProgramList> <Program> <playTime>2013-9-29 01:30</playTime> <!--播出时间--> <name>金龙鱼凤凰剧场:李算(9)</name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 02:10</playTime> <!--播出时间--> <name>非凡人物论成功(713)</name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 02:15</playTime> <!--播出时间--> <name>有报天天读(28/09/09) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 02:40</playTime> <!--播出时间--> <name>娱乐大风暴(682) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 03:15</playTime> <!--播出时间--> <name>上海新长宁集团特约之2013中华小姐环球大赛-美丽前奏(41) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 03:20</playTime> <!--播出时间--> <name>完全时尚手册:天桥云裳(632) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 03:40</playTime> <!--播出时间--> <name>东风康明斯凤凰冲击播:天力士特约之今日看世界(39) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 04:25</playTime> <!--播出时间--> <name>音乐中国风(442) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 04:35</playTime> <!--播出时间--> <name>维维健康新概念(193) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 04:40</playTime> <!--播出时间--> <name>红牛凤凰全球连线(28/09/09) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 05:05</playTime> <!--播出时间--> <name>红云红河时事开讲(28/09/09) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> <Program> <playTime>2013-9-29 05:30</playTime> <!--播出时间--> <name>别巡检调查队(34)(R) </name> <!--节目名称--> <path>**</path> <!--节目视频的本地路径--> </Program> </ProgramList> </typeB>
2.分类
*抽象类ChannelBase存储频道基本信息,定义抽象方法Fetch()解析频道节目单信息
public abstract class ChannelBase { #region 属性 /// <summary> /// 频道名称 /// </summary> private string channelName; public string ChannelName { get { return channelName; } set { channelName = value; } } /// <summary> /// 频道路径 /// </summary> private string path; public string Path { get { return path; } set { path = value; } } /// <summary> /// 节目列表 /// </summary> private List<TvProgram> programList; public List< TvProgram> ProgramList { get { return programList; } set { this.programList = value; } } #endregion public abstract void Fetch(); }*电视节目类 /// <summary> /// 节目对象 /// </summary> public class TvProgram { #region 属性 /// <summary> /// 播出时间 /// </summary> private DateTime playTime; public DateTime PlayTime { get { return playTime; } set { playTime = value; } } /// <summary> /// 时段 /// </summary> private string median; public string Median { get { return median; } set { median = value; } } /// <summary> /// 名称 /// </summary> private string programName; public string ProgramName { get { return programName; } set { programName = value; } } /// <summary> /// 文件路径 /// </summary> private string filePath; public string FilePath { get { return filePath; } set { filePath = value; } } #endregion } *TypeA类型频道类 /// <summary> /// TypeA类型节目单解析 /// </summary> public class TypeAChannel:ChannelBase { /// <summary> /// 多态，覆盖父类的获取频道列表方法 /// </summary> public override void Fetch() { //获取频道列表 XmlDocument xmlDoc = new XmlDocument(); try { //加载频道节目单文件 xmlDoc.Load(Path); } catch (Exception ex) { Console.WriteLine("文件加载失败:" + ex.Message); return; } XmlElement elem = xmlDoc.DocumentElement; if (ProgramList == null) { ProgramList = new List<TvProgram>(); } foreach (XmlNode node in elem.ChildNodes) { if (node.Name == "tvProgramTable") { foreach (XmlNode subnode in node.ChildNodes) { TvProgram program = new TvProgram(); program.PlayTime = DateTime.Parse(subnode["playTime"].InnerText); program.Median = subnode["meridien"].InnerText; program.ProgramName = subnode["programName"].InnerText; program.FilePath = subnode["path"].InnerText; this.ProgramList.Add(program); } } } } } *TypeB类型频道类 /// <summary> /// TypeB类型节目单解析 /// </summary> public class TypeBChannel : ChannelBase { /// <summary> /// 多态，覆盖父类方法，获取TypeBChannel的节目列表 /// </summary> public override void Fetch() { //获取节目列表 XmlDocument xmlDoc = new XmlDocument(); try { xmlDoc.Load(Path); } catch (Exception ex) { Console.WriteLine("文件加载失败:" + ex.Message); return; } XmlElement elem = xmlDoc.DocumentElement; if (ProgramList == null) { ProgramList = new List<TvProgram>(); } foreach (XmlNode node in elem.ChildNodes[0])//【0】第一个节点 { TvProgram programe = new TvProgram(); programe.PlayTime = DateTime.Parse(node["playTime"].InnerText); programe.Median = ""; programe.ProgramName = node["name"].InnerText; programe.FilePath = node["path"].InnerText; this.ProgramList.Add(programe); } } }
*channelManager类:读取xml文件,加载所有频道列表.根据频道类型创建"工厂" public class ChannelManager { /// <summary> /// 频道文件路径 /// </summary> private string channelPath ="files/FullChannels.xml"; /// <summary> /// 全部频道 /// </summary> private Dictionary<string, ChannelBase> fullChannel=new Dictionary<string,ChannelBase>(); public Dictionary<string, ChannelBase> FullChannel { get { return fullChannel; } } //持久化信息 private SavingInfo seria = new SavingInfo(); public SavingInfo Seria { get { return seria; } } /// <summary> /// 启动程序时，读取FullChannels.xml，加载所有频道列表 /// </summary> public void LoadChannel() { //预处理集合，防止被重复加载数据 try { fullChannel.Clear(); XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(channelPath); XmlElement xmlRoot = xmlDoc.DocumentElement; foreach (XmlNode node in xmlRoot.ChildNodes) { //根据频道类型创建对象 ChannelBase channel =CreateChannel(node["channelType"].InnerText); channel.ChannelName = node["tvChannel"].InnerText; channel.Path = node["path"].InnerText; this.fullChannel.Add(channel.ChannelName, channel); } } catch { throw new Exception("数据加载错误!"); } } public ChannelBase CreateChannel(string type) { ChannelBase channel = null; switch (type) { case "TypeA": channel = new TypeAChannel(); break; case "TypeB": channel = new TypeBChannel(); break; default: break; } return channel; } //保存定制频道信息的文本文件名称 private string saveFileName = @"files\save"; /// <summary> /// 将我的电台信息存储到文本文件之中 /// 要解决中文乱码问题 /// </summary> public void SaveAsTxt() { try { FileStream fs = new FileStream(saveFileName + ".txt", FileMode.Create); StreamWriter writer = new StreamWriter(fs, Encoding.GetEncoding("GB2312")); string type = ""; for (int index = 0; index < this.seria.MyFavor.Count; index++) { ChannelBase channel = this.seria.MyFavor[index]; if (channel is TypeBChannel) { type = "TypeB"; } else { type = "TypeA"; } writer.WriteLine(type + "|" + channel.ChannelName + "|" + channel.Path); } writer.WriteLine("End of my Favor"); writer.Close(); fs.Close(); } catch (Exception ex) { MessageBox.Show("写入文件失败:" + ex.ToString()); } } /// <summary> /// 从文本文件之中读取"我的电台"信息 /// </summary> public void LoadFromText() { //#region 存在性判断 if (!File.Exists(@"files\save.txt")) {//不存在则不再处理 return; } //#endregion try { StreamReader reader = new StreamReader(saveFileName + ".txt", Encoding.GetEncoding("GB2312")); string line = reader.ReadLine(); string[] propertyValues; ChannelBase channel = null; while (line.Trim() != "End of my Favor") { propertyValues = line.Split('|'); channel = CreateChannel(propertyValues[0]); channel.ChannelName = propertyValues[1]; channel.Path = propertyValues[2]; this.seria.MyFavor.Add(channel); line = reader.ReadLine(); } reader.Close(); } catch (Exception ex) { MessageBox.Show("文件操作异常:" + ex.Message); } } } *持久化信息类SavingInfo //持久化信息类 public class SavingInfo { public SavingInfo() { this.myFavor = new List<ChannelBase>(); } #region 属性 /// <summary> /// 我的收藏 /// </summary> private List<ChannelBase> myFavor; public List<ChannelBase> MyFavor { get { if (myFavor == null) { return new List<ChannelBase>(); } else { return myFavor; } } set { myFavor = value; } } #endregion } 3.主窗体
*电视台初始化
/// <summary> /// 管理器类 /// </summary> private ChannelManager myManager = new ChannelManager(); public MainForm() { InitializeComponent(); } /// <summary> /// 电视台初始化 /// </summary> private void InitChannel() { //加载所有频道信息 myManager.LoadChannel(); //加载用户定制的频道信息 myManager.LoadFromText(); //刷新TreeView显示 UpdateTreeView(); } /// <summary> /// 窗体加载事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void MainForm_Load(object sender, EventArgs e) { this.SetVisible(true); this.InitChannel(); } /// <summary> /// 控制DataGridView和listView的显示 /// </summary> /// <param name="boolInfo"></param> private void SetVisible(bool boolInfo) { this.dgvProgList.Visible = boolInfo; } *刷新频道列表 private void UpdateTreeView() { //清空所有节点 this.tvChannel.Nodes.Clear(); //初始化根结点 TreeNode nodeFirstLevel = new TreeNode("我的电视台"); nodeFirstLevel.ImageIndex = 0; this.tvChannel.Nodes.Add(nodeFirstLevel); nodeFirstLevel = new TreeNode("所有电视台"); this.tvChannel.Nodes.Add(nodeFirstLevel); //加载“所有电视台” foreach (ChannelBase dicOne in myManager.FullChannel.Values) { TreeNode node = new TreeNode(); node.Text = dicOne.ChannelName; node.Tag = dicOne; node.ImageIndex = 1; this.tvChannel.Nodes[1].Nodes.Add(node); } //加载“我的电视台” foreach (ChannelBase dicOne in myManager.Seria.MyFavor) { TreeNode node = new TreeNode(); node.Text = dicOne.ChannelName; node.Tag = dicOne; node.ImageIndex = 1; this.tvChannel.Nodes[0].Nodes.Add(node); } //展开所有节点 tvChannel.ExpandAll(); } *将一个电台添加到我的电台中 private void tsmAddToFavor_Click(object sender, EventArgs e) { TreeNode node = this.tvChannel.SelectedNode; //没有选中任何节点，返回 if (node == null) { return; } ChannelBase ch = (ChannelBase)node.Tag; //保证不重复 foreach (TreeNode nodeItem in this.tvChannel.Nodes[0].Nodes) { if (nodeItem.Text.Trim() == node.Text.Trim()) { return;//发现“我的收藏夹”中有这个电台，就退出，不再执行添加工作。 } } this.myManager.Seria.MyFavor.Add(ch); this.UpdateTreeView(); } 右键单击树型菜单，控制右键菜单的菜单即“所有电视台”的子节点的右键中只显示“加入到我的电台” 而“我的电视台”的子节点的右键只能显示"删除"
private void tvChannel_MouseClick(object sender, MouseEventArgs e) { //只处理右键事件 TreeNode node = this.tvChannel.SelectedNode; if (node != null && node.Level != 0)//有节点被选中且不是顶级节点 { //这句代码保证右键点击树的时候，那个节点处于选中状态 if (node.Parent.Text == "所有电视台") { //使"加入到我的电台"这个菜单项可见 cmenuRight.Items[1].Visible = false; cmenuRight.Items[0].Visible = true; } else { //使“删除”菜单项可见 cmenuRight.Items[0].Visible = false; cmenuRight.Items[1].Visible = true; } } else { cmenuRight.Items[1].Visible = false; cmenuRight.Items[0].Visible = false; } } private void TMenuItemDel_Click(object sender, EventArgs e) { TreeNode node = this.tvChannel.SelectedNode; //没有选中任何节点，返回 if (node == null) { return; } ChannelBase ch = (ChannelBase)node.Tag; this.myManager.Seria.MyFavor.Remove(ch); this.UpdateTreeView(); } 树形菜单选项改变事件:改变频道，加载选中频道的节目信息
private void tvChannel_AfterSelect(object sender, TreeViewEventArgs e) { //控制DataGridView的显示 this.SetVisible(true); //e.Node选中的节点 if (e.Node.Level != 0) { ChannelBase ch = (ChannelBase)e.Node.Tag; if (ch.ProgramList != null) { ch.ProgramList.Clear();//清除当前节目单 } ch.Fetch(); //读取节目单 this.dgvProgList.DataSource = ch.ProgramList; //绑定到数据展示控件显示 this.dgvProgList.Tag = ch.ChannelName; //将当前Dgv的Tag属性设为频道的名称 } }
