zoukankan      html  css  js  c++  java

  • 网络电视精灵

    项目结构：

    ChannelBase类：

     1  public abstract class ChannelBase
 2     {
 3         //频道名称
 4         public string ChannelName { get; set; }
 5         //频道路径
 6         public string Path { get; set; }
 7         //节目列表该频道上的所有节目列表
 8         public List<TvProgram> TvList { get; set; }
 9         //获取频道列表:通过Fetch方法获取该频道拥有的所有频道列表
10         public abstract void Fetch();
11     }

    ChannelManager类：

     1    /// <summary>
 2     /// 频道管理类
 3     /// </summary>
 4     public class ChannelManager
 5     {
 6         private List<ChannelBase> fullChannels = new List<ChannelBase>();
 7         public List<ChannelBase> FullChannels 
 8         {
 9             get 
10             {
11                 return fullChannels;
12             }
13             set 
14             {
15                 fullChannels = value;
16             }
17         }
18         public void ReadXmlDataToList() 
19         {
20             string path = "FullChannels.xml";
21             XmlDocument doc = new XmlDocument();
22             doc.Load(path);
23             XmlNode root = doc.DocumentElement;
24             foreach (XmlNode item in root.ChildNodes)
25             {
26                 //一个item就代表一个Channel对象
27                 string type = item["channelType"].InnerText;
28                 ChannelBase channel = ChannelFactory.CreateChannel(type);
29                 channel.ChannelName = item["tvChannel"].InnerText;
30                 channel.Path = item["path"].InnerText;
31                 fullChannels.Add(channel);
32             }
33         }
34     }

    ChannelFactory类：

     1 public class ChannelFactory
 2     {
 3         //通过工厂创建频道子类
 4         public static ChannelBase CreateChannel(string type) 
 5         {
 6             ChannelBase channel = null;
 7             switch (type)
 8             {
 9                 case "TypeA":
10                     channel = new TypeAChannel();
11                     break;
12                 case "TypeB":
13                     channel = new TypeBChannel();
14                     break;
15             }
16             return channel;
17         }
18     }

    TvProgram类：

     1  //节目类
 2     public class TvProgram
 3     {
 4         //播出时间
 5         public DateTime PlayTime { get; set; }
 6         //早间当,午间档,晚间档
 7         public string ShiDuan { get; set; }
 8         public string Name { get; set; }
 9         //视频路径
10         public string Path { get; set; }
11     }

    TypeAChannel类：

     1 public class TypeAChannel:ChannelBase
 2     {
 3        public TypeAChannel() 
 4        {
 5            TvList = new List<TvProgram>();
 6        }
 7        public override void Fetch()
 8        {
 9            if (TvList==null)
10            {
11                TvList = new List<TvProgram>();
12            }
13            XmlDocument doc = new XmlDocument();
14            doc.Load(Path);
15            XmlNode root= doc.DocumentElement;
16            foreach (XmlNode item in root.ChildNodes)
17            {
18                if (item.Name.Equals("tvProgramTable"))
19                {
20                    foreach (XmlNode child in item.ChildNodes)
21                    {
22                        TvProgram tv = new TvProgram();
23                        tv.PlayTime =Convert.ToDateTime(child["playTime"].InnerText);
24                        tv.ShiDuan = child["meridien"].InnerText;
25                        tv.Name = child["programName"].InnerText;
26                        tv.Path = child["path"].InnerText;
27                        TvList.Add(tv);
28                    }
29                }
30            }
31        }
32     }

    TypeBChannel类：

     1 public class TypeBChannel:ChannelBase
 2     {
 3        public TypeBChannel() 
 4        {
 5            TvList = new List<TvProgram>();
 6        }
 7        public override void Fetch()
 8        {
 9            if (TvList == null)
10            {
11                TvList = new List<TvProgram>();
12            }
13            XmlDocument doc = new XmlDocument();
14            doc.Load(Path);
15            XmlNode root = doc.DocumentElement;
16            foreach (XmlNode item in root.ChildNodes)
17            {
18                if (item.Name.Equals("ProgramList"))
19                {
20                    foreach (XmlNode child in item.ChildNodes)
21                    {
22                        TvProgram tv = new TvProgram();
23                        tv.PlayTime = Convert.ToDateTime(child["playTime"].InnerText);
24                        tv.Name = child["name"].InnerText;
25                        tv.Path = child["path"].InnerText;
26                        TvList.Add(tv);
27                    }
28                }
29            }
30        }
31     }

    XML文件：

     1 <?xml version="1.0" encoding="utf-8" ?>
 2 <TVChannels>
 3     <Channel>
 4         <channelType>TypeA</channelType> <!--频道类型-->
 5         <tvChannel>北京电视台</tvChannel> <!--频道名称-->
 6         <path>北京电视台.xml</path>           <!--频道对应XML文件的本地路径-->
 7     </Channel>
 8     <Channel>
 9         <channelType>TypeB</channelType>
10         <tvChannel>凤凰卫视</tvChannel>
11         <path>凤凰卫视.xml</path>
12     </Channel>
13 </TVChannels>
14     
      1 <?xml version="1.0" encoding="utf-8" ?>
  2 <typeA version =" 1.0">
  3     <channelName>北京电视台</channelName>
  4     <tvProgramTable>
  5         <tvProgram>
  6             <playTime>2009-9-29 06:02</playTime> <!--节目播出时间-->
  7             <meridien>早间档</meridien> <!--时段-->
  8                
  9             <programName>重播：国际双行线</programName> <!--节目名称-->
 10             <path>c:a.wma</path>         <!--视频路径-->
 11         </tvProgram>
 12 <tvProgram>
 13             <playTime>2009-9-29 07:00</playTime> <!--节目播出时间-->
 14             <meridien>早间档</meridien> <!--时段-->
 15                
 16             <programName>北京您早</programName> <!--节目名称-->
 17             <path>C:New Stories (Highway Blues).wma</path>         <!--视频路径-->
 18         </tvProgram>
 19         <tvProgram>
 20             <playTime>2009-9-29 09:02</playTime> <!--节目播出时间-->
 21             <meridien>早间档</meridien> <!--时段-->
 22                
 23             <programName>重播《红星剧场》32集剧：勇者无敌（31）</programName> <!--节目名称-->
 24             <path>**</path>         <!--视频路径-->
 25         </tvProgram>
 26         <tvProgram>
 27             <playTime>2009-9-29 09:58</playTime>
 28             
 29             <meridien>早间档</meridien>
 30             <programName>重播《红星剧场》32集剧：勇者无敌（32）</programName>
 31             <path>**</path>
 32         </tvProgram>
 33         <tvProgram>
 34             <playTime>2009-9-29 11:15</playTime>
 35             
 36             <meridien>午间档</meridien>
 37             <programName>重播：专题片：我爱你，中国（14）</programName>
 38             <path>**</path>
 39         </tvProgram>
 40         <tvProgram>
 41             <playTime>2009-9-29 11:58</playTime>
 42             
 43             <meridien>午间档</meridien>
 44             <programName>身边</programName>
 45             <path>**</path>
 46         </tvProgram>
 47         <tvProgram>
 48             <playTime>2009-9-29 12:30</playTime>
 49             
 50             <meridien>午间档</meridien>
 51             <programName>特别关注</programName>
 52             <path>**</path>
 53         </tvProgram>
 54         <tvProgram>
 55             <playTime>2009-9-29 13:05</playTime>
 56             
 57             <meridien>午间档</meridien>
 58             <programName>天下天天谈</programName>
 59             <path>**</path>
 60         </tvProgram>
 61         <tvProgram>
 62             <playTime>2009-9-29 13:40</playTime>
 63             
 64             <meridien>午间档</meridien>
 65             <programName>《玫瑰剧场》55集剧：闯关东中篇（21）</programName>
 66             <path>**</path>
 67         </tvProgram>
 68         <tvProgram>
 69             <playTime>2009-9-29 14:32</playTime>
 70             
 71             <meridien>午间档</meridien>
 72             <programName>《玫瑰剧场》55集剧：闯关东中篇（22）</programName>
 73             <path>**</path>
 74         </tvProgram>
 75         <tvProgram>
 76             <playTime>2009-9-29 15:27</playTime>
 77             
 78             <meridien>下午档</meridien>
 79             <programName>《玫瑰剧场》55集剧：闯关东中篇（23）</programName>
 80             <path>**</path>
 81         </tvProgram>
 82         <tvProgram>
 83             <playTime>2009-9-29 16:19</playTime>
 84             
 85             <meridien>下午档</meridien>
 86             <programName>《玫瑰剧场》55集剧：闯关东中篇（24）</programName>
 87             <path>**</path>
 88         </tvProgram>
 89         <tvProgram>
 90             <playTime>2009-9-29 17:31</playTime>
 91             
 92             <meridien>下午档</meridien>
 93             <programName>法治进行时</programName>
 94             <path>**</path>
 95         </tvProgram>
 96         <tvProgram>
 97             <playTime>2009-9-29 18:00</playTime>
 98             
 99             <meridien>晚间档</meridien>
100             <programName>新闻晚高峰</programName>
101             <path>**</path>
102         </tvProgram>
103         <tvProgram>
104             <playTime>2009-9-29 18:30</playTime>
105             
106             <meridien>晚间档</meridien>
107             <programName>北京新闻</programName>
108             <path>**</path>
109         </tvProgram>
110         <tvProgram>
111             <playTime>2009-9-29 18:56</playTime>
112             
113             <meridien>晚间档</meridien>
114             <programName>天气预报</programName>
115             <path>**</path>
116         </tvProgram>
117         <tvProgram>
118             <playTime>2009-9-29 19:00</playTime>
119             
120             <meridien>晚间档</meridien>
121             <programName>转播CCTV新闻联播</programName>
122             <path>**</path>
123         </tvProgram>
124         <tvProgram>
125             <playTime>2009-9-29 19:31</playTime>
126             
127             <meridien>晚间档</meridien>
128             <programName>看气象</programName>
129             <path>**</path>
130         </tvProgram>
131         <tvProgram>
132             <playTime>2009-9-29 19:40</playTime>
133             
134             <meridien>晚间档</meridien>
135             <programName>专题片：我爱你，中国（15）</programName>
136             <path>**</path>
137         </tvProgram>
138         <tvProgram>
139             <playTime>2009-9-29 20:22</playTime>
140             
141             <meridien>晚间档</meridien>
142             <programName>《爸妈都是老党员》首播庆典</programName>
143             <path>**</path>
144         </tvProgram>
145         <tvProgram>
146             <playTime>2009-9-29 21:21</playTime>
147             
148             <meridien>晚间档</meridien>
149             <programName>《红星剧场》38集剧：咱爸咱妈六十年（1）</programName>
150             <path>**</path>
151         </tvProgram>
152         <tvProgram>
153             <playTime>2009-9-29 23:25</playTime>
154             
155             <meridien>晚间档</meridien>
156             <programName>重播文艺：花样年华歌舞大赛（5）</programName>
157             <path>**</path>
158         </tvProgram>
159     </tvProgramTable>
160 </typeA>

    FrmMain主界面：

     1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace Day08_0600网络电视精灵
12 {
13     public partial class FrmMain : Form
14     {
15         public FrmMain()
16         {
17             InitializeComponent();
18         }
19 
20         private void Form1_Load(object sender, EventArgs e)
21         {
22             LoadparentNodes();
23             LoadNodes();
24         }
25         private TreeNode allNode = null;
26         private void LoadparentNodes() 
27         {
28             TreeNode mynode = new TreeNode("我的电视台");
29             allNode = new TreeNode("所有电视台");
30             treeView1.Nodes.Add(mynode);
31             treeView1.Nodes.Add(allNode);
32         }
33         private void LoadNodes() 
34         {
35             ChannelManager cm = new ChannelManager();
36             cm.ReadXmlDataToList();
37             foreach (ChannelBase item in cm.FullChannels)
38             {
39                 TreeNode tr = new TreeNode();
40                 tr.Text = item.ChannelName;
41                 tr.Tag = item;
42                 allNode.Nodes.Add(tr);
43             }
44  
45         }
46 
47         private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
48         {
49             if (treeView1.SelectedNode.Level==0)
50             {
51                 contextMenuStrip1.Items[1].Visible = false;
52                 contextMenuStrip1.Items[0].Visible = false;
53                 return;
54             }
55             else if(treeView1.SelectedNode.Parent.Text=="所有电视台")
56             {
57                 contextMenuStrip1.Items[1].Visible = true;
58                 contextMenuStrip1.Items[0].Visible = false;
59             }
60             else if(treeView1.SelectedNode.Parent.Text=="我的电视台")
61             {
62                 contextMenuStrip1.Items[1].Visible = false;
63                 contextMenuStrip1.Items[0].Visible = true;
64             }
65             if(treeView1.SelectedNode.Tag!=null){
66             TreeNode treenode = treeView1.SelectedNode;
67             ChannelBase channel = (ChannelBase)treenode.Tag;
68             if (channel.TvList.Count>0)
69             {
70                 channel.TvList.Clear();
71             }
72             channel.Fetch();
73             List<TvProgram> tvprogram = channel.TvList;
74 
75             dataGridView1.DataSource = new BindingList<TvProgram>(tvprogram);
76             }
77         }
78 
79         private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
80         {
81             TreeNode tr = treeView1.SelectedNode;
82             ChannelBase cbase=(ChannelBase)tr.Tag;
83             dataGridView1.DataSource = null;
84             tr.Remove();
85         }
86 
87         private void 添加ToolStripMenuItem_Click(object sender, EventArgs e)
88         {
89             TreeNode tre = treeView1.SelectedNode;
90             ChannelBase channe = (ChannelBase)tre.Tag;
91             TreeNode toe = new TreeNode();
92             toe.Text = channe.ChannelName;
93             toe.Tag = channe;
94             treeView1.Nodes[0].Nodes.Add(toe);
95         }
96         
97     }
98 }
  • 相关阅读:
    [转]顶点数据压缩
    [转]将某个Qt4项目升级到Qt5遇到的问题
    「05」回归的诱惑：一文读懂线性回归
    AI漫谈：我们距离实现《庆余年》里的五竹叔机器人还有多远？
    “木兰”去哪儿了？被全国700所中小学引入的国产编程语言“木兰”，为何在官网删除了下载链接
    有哪些让人相见恨晚的Python库（一）
    2019年最值得关注的AI领域技术突破及未来展望
    为什么样本方差的分母是n-1？为什么它又叫做无偏估计？
    「04」机器学习、深度学习需要哪些数学知识？
    「03」机器学习、深度学习该怎样入门？
  • 原文地址：https://www.cnblogs.com/liutao1122/p/7138236.html
Copyright © 2011-2022 走看看