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 = ; 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();
                     }
                 }
             }
         }

         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(, item.Key.Length);
                     break;
                 }
             }
             if (strText.Length > )
                 GetPlayList(lstDicMp3, strText, ref lst);
         }
     }
 }

demo地址

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