www.pudn.com > seamp3.rar > Player.cs

using System; 
using System.Collections.Generic; 
using System.Text; 
using System.Collections; 
using System.ComponentModel; 
using System.Windows.Forms; 
using System.Data; 
using System.IO; 
 
namespace seamp3 
{ 
    public class Player 
    { 
        private AxWMPLib.AxWindowsMediaPlayer myPlayer; 
        private string[] playList; 
        private int numOfMusic; 
        private int currentPlay; 
        private string savepath; 
        public int CurrentPlay 
        { 
            get 
            { 
                return currentPlay; 
            } 
        } 
 
        public int NumOfMusic 
        { 
            get 
            { 
                return numOfMusic; 
            } 
            set 
            { 
                numOfMusic = value; 
            } 
        } 
        public WMPLib.WMPPlayState playstate 
        { 
            get 
            { 
                return myPlayer.playState; 
            } 
        } 
        public void save()//保存文件 
        { 
            StreamWriter sw = new StreamWriter(savepath); 
            for (int i = 1; i <= NumOfMusic; i++) 
            { 
                sw.WriteLine(playList[i]); 
            } 
            sw.Close(); 
        } 
 
        public void load()   //初始化操作 
        { 
            try 
            { 
                StreamReader sr = new StreamReader(savepath); 
                String line; 
                numOfMusic = 0; 
                while ((line = sr.ReadLine()) != null) 
                { 
                    numOfMusic++; 
                    playList[numOfMusic] = line; 
                } 
                sr.Close(); 
            } 
            catch 
            { 
 
            } 
        } 
        public string PlayList(int num) 
        { 
            return playList[num]; 
        } 
        public Player(AxWMPLib.AxWindowsMediaPlayer mediaPlayer) 
        { 
            FileInfo t = new FileInfo("save.msg"); 
            savepath = t.FullName; 
            myPlayer = mediaPlayer; 
            playList = new string[1001]; 
            numOfMusic = 0; 
            currentPlay = 0; 
            load(); 
        } 
        public void AddFile(string path) 
        { 
            if (numOfMusic < 1000) 
            { 
                numOfMusic++; 
                playList[numOfMusic] = path; 
            } 
        } 
        public void DelFile(int selectNum) 
        { 
            for (int i = selectNum; i <= numOfMusic - 1; i++) 
            { 
                playList[i] = playList[i + 1]; 
            } 
            numOfMusic--; 
        } 
        public void play(int selectNum) 
        { 
            MessageBox.Show(playList[selectNum].ToString()); 
            myPlayer.URL = playList[selectNum]; 
            currentPlay = selectNum; 
        } 
        public int NextPlay(int type) 
        { 
            /*  type = 0 顺序 
                type = 1 重复播放全部 
                type = 2 重复播放一首 
                type = 3 随机播放 
            */ 
            switch (type) 
            { 
                case 0: 
                    currentPlay++; 
                    if (currentPlay > NumOfMusic) return 0; 
                    else return currentPlay; 
                case 1: 
                    currentPlay++; 
                    if (currentPlay > numOfMusic) return 1; 
                    else return currentPlay; 
                case 2: 
                    return currentPlay; 
                case 3: 
                    Random rdm = new Random(unchecked((int)DateTime.Now.Ticks)); 
                    currentPlay = rdm.Next() % numOfMusic; 
                    if (currentPlay == 0) return numOfMusic; 
                    else return currentPlay; 
                default: 
                    return 0; 
 
            } 
 
 
        } 
 
    } 
}