C# 面向对象(Mp3案例完善)
【摘要】
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks; namespace 面向对象7._13_Mp3完善{ class Program { static void Main(string[] ...
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace 面向对象7._13_Mp3完善
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{
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class Program
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{
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static void Main(string[] args)
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{
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PlaySongps = new PlaySong();
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ps.Inof();
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Console.ReadLine();
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}
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}
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//歌曲信息列表
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class Song
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{
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public Song() { }
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public Song(String title, string singer, intlength)
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{
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this.titile = title;
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this.singer = singer;
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this.length = length;
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}
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///
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/// 歌曲名
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///
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public String titile{set;get;}
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public String singer { set; get; }
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public int length { set; get; }
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}
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class PlaySong
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{
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List list = new List();
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///
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/// 载入本地歌曲
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///
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private int listLenght; //获取到列表长度(有几首歌)
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public void bianli() {
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listLenght= 0;
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foreach(Song item in list)
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{
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Console.Write(" "+(listLenght+1)+"."+item.titile+" - "+item.singer+" ");
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time(item.length);
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listLenght++;
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}
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}
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public void Inof()
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{
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Console.WriteLine("您的当前播放列表是:");
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Console.WriteLine();
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Console.WriteLine("++ ——————————— ++");
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Console.WriteLine();
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bianli();
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Console.WriteLine();
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Console.WriteLine("++ ——————————— ++");
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Console.WriteLine();
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Console.WriteLine(" 请您输入功能序号 :");
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Console.WriteLine();
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Console.WriteLine("1.播放歌曲 2.载入本地歌曲 3.上一首 4.下一首 5.暂停 6.添加歌曲 7.退出播放器");
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int n =int.Parse(Console.ReadLine());
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switch(n)
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{
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case 1:
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play();
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break;
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case 2:
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load();
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break;
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case 3:
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upSong();
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break;
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case 4:
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downSong();
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break;
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case 5:
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stop();
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break;
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case 6:
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downLoad();
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break;
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case 7:
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return;
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default :
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break;
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}
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}
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public void load()
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{
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Song s1 =new Song("灰色头像", "许嵩", 356);
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Song s2 =new Song("坏孩子", "许嵩", 303);
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Song s3 =new Song("城府", "许嵩", 287);
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Song s4 =new Song("因为了解", "汪苏泷", 196);
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Song s5 =new Song("送你的读白", "许嵩", 314);
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list.Add(s1);
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list.Add(s2);
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list.Add(s3);
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list.Add(s4);
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list.Add(s5);
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Console.WriteLine("++ ——————————— ++");
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Console.WriteLine();
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bianli();
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Console.WriteLine();
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Console.WriteLine("++ ——————————— ++");
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Inof();
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}
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public void downLoad()
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{
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Song s =new Song();
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Console.Write("请输入您要下载的歌曲名称:");
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s.titile =Console.ReadLine();
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Console.Write("请输入您要下载的歌手名称:");
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s.singer =Console.ReadLine();
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Console.Write("请输入您要下载歌曲的时长:");
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s.length=int.Parse( Console.ReadLine());
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list.Add(s);
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listLenght++;
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Console.WriteLine("您的歌曲下载成功!");
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Console.WriteLine();
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Inof();
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}
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private int index = 0; //记录播放的歌曲
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public void play()
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{
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Console.WriteLine();
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if (index< 0)
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{
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Console.WriteLine("当前列表没有歌曲!");
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}
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if (index< listLenght)
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{
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Console.WriteLine("正在播放:" +list[index].titile);
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}
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Console.WriteLine();
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Inof();
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}
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public void upSong()
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{
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if (index< 0) {
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Console.WriteLine("当前列表没有歌曲");
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}
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index =index - 1 < 0 ? 0: index - 1;
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if (index- 1 < 0)
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{
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Console.WriteLine("当前播放已经是第一首音乐:" + list[0].titile);
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}
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else
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{
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Console.WriteLine("正在播放:" +list[index].titile);
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}
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Console.WriteLine();
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Inof();
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}
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public void downSong()
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{
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if (index< 0)
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{
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Console.WriteLine("当前列表没有歌曲");
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}
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index =index + 1 > listLenght ? listLenght : index+1;
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if (index+1 > listLenght)
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{
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Console.WriteLine("当前播放已经是最后一首音乐:");
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}
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else
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{
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Console.WriteLine("正在播放:" +list[index].titile);
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}
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Console.WriteLine();
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Inof();
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}
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public void stop()
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{
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Console.WriteLine("暂停播放:"+list[index].titile);
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Console.WriteLine();
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Inof();
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}
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///
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/// 转换时间格式 00:00:00
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///
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///
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public void time(int time)
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{
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TimeSpants = new TimeSpan(0, 0, time);
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Console.WriteLine(" " +(ts.Minutes).ToString().PadLeft(2, '0') + ":" +(ts.Seconds).ToString().PadLeft(2, '0'));
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}
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}
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}
文章来源: czhenya.blog.csdn.net,作者:陈言必行,版权归原作者所有,如需转载,请联系作者。
原文链接:czhenya.blog.csdn.net/article/details/76092134
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