写一个ktv点歌代码

好的，这里是一个简单的KTV点歌系统的C#代码示例：

using System;
using System.Collections.Generic;

namespace KTVSongSystem
{
    class Song
    {
        public string Name { get; set; }
        public string Singer { get; set; }
        public string Language { get; set; }
        public int Popularity { get; set; }

        public Song(string name, string singer, string language, int popularity)
        {
            Name = name;
            Singer = singer;
            Language = language;
            Popularity = popularity;
        }

        public override string ToString()
        {
            return $"{Name} - {Singer} ({Language})";
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            // 初始化歌曲列表
            List<Song> songList = new List<Song>
            {
                new Song("告白气球", "周杰伦", "中文", 100),
                new Song("Shape of You", "Ed Sheeran", "英文", 90),
                new Song("Lemon", "米津玄师", "日文", 80),
                new Song("좋은 날", "IU", "韩文", 70)
            };

            while (true)
            {
                // 显示菜单
                Console.WriteLine("KTV点歌系统");
                Console.WriteLine("1. 按名称点歌");
                Console.WriteLine("2. 按歌手点歌");
                Console.WriteLine("3. 按语种点歌");
                Console.WriteLine("4. 按热度点歌");
                Console.WriteLine("5. 退出");

                // 处理用户输入
                string choice = Console.ReadLine();
                if (choice == "1")
                {
                    Console.Write("请输入歌曲名称：");
                    string name = Console.ReadLine();
                    foreach (Song song in songList)
                    {
                        if (song.Name == name)
                        {
                            Console.WriteLine($"已点歌曲：{song}");
                            break;
                        }
                    }
                }
                else if (choice == "2")
                {
                    Console.Write("请输入歌手名称：");
                    string singer = Console.ReadLine();
                    foreach (Song song in songList)
                    {
                        if (song.Singer == singer)
                        {
                            Console.WriteLine($"已点歌曲：{song}");
                        }
                    }
                }
                else if (choice == "3")
                {
                    Console.Write("请输入语种名称：");
                    string language = Console.ReadLine();
                    foreach (Song song in songList)
                    {
                        if (song.Language == language)
                        {
                            Console.WriteLine($"已点歌曲：{song}");
                        }
                    }
                }
                else if (choice == "4")
                {
                    Console.WriteLine("按热度排序：");
                    songList.Sort((x, y) => y.Popularity.CompareTo(x.Popularity));
                    for (int i = 0; i < songList.Count; i++)
                    {
                        Console.WriteLine($"{i+1}. {songList[i]}");
                    }
                    Console.Write("请选择要点播的歌曲序号：");
                    int index = int.Parse(Console.ReadLine()) - 1;
                    Console.WriteLine($"已点歌曲：{songList[index]}");
                }
                else if (choice == "5")
                {
                    Console.WriteLine("感谢使用KTV点歌系统！");
                    break;
                }
                else
                {
                    Console.WriteLine("无效输入，请重新输入！");
                }
            }
        }
    }
}

这个示例实现了一个基本的KTV点歌系统，用户可以按名称、歌手、语种、热度来点歌。歌曲列表和点播记录都保存在内存中，可以根据需要进行扩展。请注意，这只是一个简单的示例，实际的KTV点歌系统需要更复杂的功能和更严格的数据管理。