简单网络视频播放器（C#）

最新推荐文章于 2024-01-17 10:51:46 发布

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最新推荐文章于 2024-01-17 10:51:46 发布

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分类专栏： C# 网络通信多媒体编程文章标签：网络 c# string object flash regex

本文链接：https://blog.youkuaiyun.com/wgsnet/article/details/2169724

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/******************网络视频播放器（C#）**********************************
* Autor:wgscd
* mail:wgscd@126.com
* http://www.lie78.com/
*QQ：153964481
*可以获取新浪视频，结合Flash播放FLV文件
* 新浪视频可以用http://v.iask.com/v_play.php?vid=87987"形式获得一个XML文件“vid=”后面的就是一个标示ID
************************************************/
using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
using System.Xml;
using System.Collections;

namespace V_Show
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        /**********范型测试******
        void wgscd<T>(T x, T y)
        {
            MessageBox.Show(x.ToString());
        }
        wgscd<string>("fdghfghfgh","");
         *********/

        //******************用来屏蔽Flash右键**********************************
        private const int GWL_WNDPROC = -4;
        public delegate IntPtr FlaWndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);

private IntPtr OldWndProc = IntPtr.Zero;
private FlaWndProc Wpr = null;

        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, FlaWndProc wndProc);
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr CallWindowProc(IntPtr wndProc, IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);

        private IntPtr FlashWndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
        {
            if (msg == 516)
                return (IntPtr)0;
            return CallWindowProc(OldWndProc, hWnd, msg, wParam, lParam);
        }
        //******************************************************************

        //***********************用来获取网络连接情况***********************
        [DllImport("wininet.dll")]
        private extern static bool InternetGetConnectedState(out   int connectionDescription, int reservedValue);
        ///   <summary>
        ///   Query   method   to   cause   provider   to   actively   detect   the   connection   state
        ///   </summary>
        ///   <returns>True   if   provider   believes   we   are   connected</returns>
        public bool IsConnected()
        {
            int connectionDescription = 0;

            return InternetGetConnectedState(out   connectionDescription, 0);

}
//****************************************************************

string ThumPicFoder = "ThumPic";
ArrayList VideoInfo = new ArrayList();

        /*/最新上传： http://you.video.sina.com.cn/l/mr/1/0
        */
    void getPage(string strUrl)
    {

        WebRequest myWebClient = WebRequest.Create(strUrl);
        Stream myStream = myWebClient.GetResponse().GetResponseStream();
        StreamReader myReader = new StreamReader(myStream, Encoding.Default);
        string strResult = myReader.ReadToEnd();
        myStream.Close();

myReader.Close();

//MessageBox.Show(strResult);

string pattner = "<li><img style=.*/></li>";

Regex ex = new Regex(pattner);

if (ex.Match(strResult).Success)
{

            foreach (Match mc in ex.Matches(strResult))
            {
                int i1 = mc.Value.IndexOf("window.open('/b/") + 16;

                int i2 = mc.Value.IndexOf(".html')");
                string id = mc.Value.Substring(i1, i2 - i1);
                id = id.Substring(0, id.IndexOf("-"));//ID号
                string info = id;

//MessageBox.Show(id);

                i1 = mc.Value.IndexOf("title=/"") + 7;
                i2 = mc.Value.IndexOf("/" οnclick=");
                id = mc.Value.Substring(i1, i2 - i1);//标题
                info += "|" + id;

                // MessageBox.Show(id);
                i1 = mc.Value.IndexOf("src=/"") + 5;
                i2 = mc.Value.IndexOf(".jpg/" />") + 4;
                id = mc.Value.Substring(i1, i2 - i1);//图片地址
                info += "|" + id;
         // MessageBox.Show(info);

VideoInfo.Add(info);

}

}
}

string getVideoUrl(string strID)
{

WebRequest myWebRequest = WebRequest.Create("http://v.iask.com/v_play.php?vid=" + strID);

Stream myStream = myWebRequest.GetResponse().GetResponseStream();

StreamReader myStreamReader = new StreamReader(myStream, Encoding.UTF8);

string str = myStreamReader.ReadToEnd();

myStreamReader.Close();
myStream.Close();

        if ((str.IndexOf("<result>error</result>") > 0))
        {
            return "";

}

        this.Text = str.IndexOf("<vname><![").ToString();
        // str.IndexOf("]]></vname>")
        int str1=str.IndexOf("<url><![CDATA[")+14;
        int str2=str.IndexOf("]]></url>");
        string strurl = str.Substring(str1, str2-str1);
       // MessageBox.Show(strurl);

return strurl;

}

        private void Form1_Load(object sender, EventArgs e)
        {
            //******************用来屏蔽Flash右键********************
            this.Wpr = new FlaWndProc(this.FlashWndProc);
            this.OldWndProc = SetWindowLong(Flash.Handle, GWL_WNDPROC, Wpr);
            //*****************************************************

            if (IsConnected() == false) { //判断网络连接
                return;
                  }
            PicBox_thumb.Visible = false;
          //   getVideoUrl("87987");//测试获取视频URL

getOnePage("http://you.video.sina.com.cn/l/mr/1/0");//得到一页
Flash.Movie = "d://我的文档//桌面//~Flv.swf";//flash加载进来

}

void getOnePage(string PageURL) {

            VideoInfo.Clear();
            getPage(PageURL);
            //动态创建控件
            for (int i = 0; i < VideoInfo.Count; i++)
            {
                Label lb = new Label();
                lb.Size = new Size(190, 22);
                panelItem.Controls.Add(lb);

lb.Location = new Point(12, (2 + 22) * i);
lb.Tag = VideoInfo[i];

                lb.Text = lb.Tag.ToString().Split('|')[1].ToString();
                lb.BackColor = Color.Blue;
                lb.TextAlign = ContentAlignment.MiddleCenter;

                lb.Click += new EventHandler(lb_Click);
                // PicBox_thumb
                lb.MouseEnter += new EventHandler(lb_MouseEnter);

                lb.MouseLeave += new EventHandler(lb_MouseLeave);
            }
            //新建一线程下载缩略图
            Thread thDownPic = new Thread(new ThreadStart(dpic));
            thDownPic.Start();




        }

void dpic() {//根据图片数下载之

            for (int i = 0; i < VideoInfo.Count; i++)
            {
               downLoadPics(VideoInfo[i].ToString().Split('|')[2].ToString());

            }

        }
        void downLoadPics(string strUrl)//下载缩略图函数
        {

            WebClient myWebClient = new WebClient();
            if (Directory.Exists(ThumPicFoder) == false)
            {

Directory.CreateDirectory(ThumPicFoder);

}

            if (File.Exists( ThumPicFoder +"//"+ strUrl.Substring(strUrl.LastIndexOf("/"), strUrl.Length - strUrl.LastIndexOf("/")))){//如果已经存在返回
                return;}
            myWebClient.DownloadFile(strUrl, ThumPicFoder +"//"+ strUrl.Substring(strUrl.LastIndexOf("/"), strUrl.Length - strUrl.LastIndexOf("/")));

}

        private void lb_Click(object sender, EventArgs e)//单击一项就获取视频URL并发送到FLASH通知播放
        {
            string FlvURL=getVideoUrl(((Label)sender).Tag.ToString().Split('|')[0].ToString());

// MessageBox.Show(FlvURL );
Flash.SetVariable("flvURL", FlvURL);//程序向Flash传递信息

}

        private void lb_MouseEnter(object sender, EventArgs e)//鼠标移动到缩略图控件上就显示缩略图
        {
            string str=((Label)sender).Tag.ToString().Split('|')[2].ToString();

int str1 = ((Label)sender).Tag.ToString().Split('|')[2].ToString().LastIndexOf("/")+1;

string LocalPicFullPath = ThumPicFoder+"//"+str.Substring(str1, str.Length - str1);

            //MessageBox.Show(LocalPicFullPath);
           PicBox_thumb.Image = Image.FromFile(LocalPicFullPath);
           PicBox_thumb.Visible = true;

        }
        private void lb_MouseLeave(object sender, EventArgs e)//鼠标移开设置缩略图控件不可见
        {
            PicBox_thumb.Visible = false;
        }

        private void Flash_FSCommand(object sender, AxShockwaveFlashObjects._IShockwaveFlashEvents_FSCommandEvent e)//flash向程序发送信息
        {
            //MessageBox.Show(e.args); //在flash里可以用fscommand("wgacd命令","参数")形式测试！

}

        private void PageNext_Click(object sender, EventArgs e)
        {
            getNextPage();

}

void getNextPage() {

getOnePage("");

            //..
             //...
              // ...
              // ...

}

}
}

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