c# 叫号小程序

写个叫号的小demo

长相如下

代码如下

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Media;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using NAudio.Wave;

namespace VoiceDemo
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string[] lstMp3s = Directory.GetFiles(Application.StartupPath + "\mp3", "*.mp3");
            Dictionary<string, string> lstDicMp3 = new Dictionary<string, string>();
            for (int i = 0; i < lstMp3s.Length; i++)
            {
                lstDicMp3.Add(Path.GetFileNameWithoutExtension(lstMp3s[i]), lstMp3s[i]);
            }
            lstDicMp3 = lstDicMp3.OrderByDescending(p => p.Key.Length).ToDictionary(p => p.Key, o => o.Value);

            string strText = textBox1.Text;
            List<string> lst = new List<string>();
            GetPlayList(lstDicMp3, strText, ref lst);
            foreach (var item in lst)
            {
                using (var ms = File.OpenRead(lstDicMp3[item]))
                using (var rdr = new Mp3FileReader(ms))
                using (var wavStream = WaveFormatConversionStream.CreatePcmStream(rdr))
                using (var baStream = new BlockAlignReductionStream(wavStream))
                using (var waveOut = new WaveOut(WaveCallbackInfo.FunctionCallback()))
                {
                    waveOut.Init(baStream);
                    waveOut.Play();
                    while (waveOut.PlaybackState == PlaybackState.Playing)
                    {
                        Thread.Sleep(10);
                    }
                }
            }
        }

        private void GetPlayList(Dictionary<string, string> lstDicMp3, string strText, ref  List<string> lst)
        {
            foreach (var item in lstDicMp3)
            {
                if (strText.StartsWith(item.Key))
                {
                    lst.Add(item.Key);
                    strText = strText.Remove(0, item.Key.Length);
                    break;
                }
            }
            if (strText.Length > 0)
                GetPlayList(lstDicMp3, strText, ref lst);
        }
    }
}

demo地址

https://pan.baidu.com/s/1eSiy98m