update

Video.xaml

@@ -25,7 +25,7 @@
                 </Grid.RowDefinitions>
 
                 <Label  Content="生成视频的个数:" VerticalContentAlignment="Center" BorderThickness="1" Padding="5,0,5,0"></Label>
-                <TextBox Grid.Column="1" wd:TextBoxHelper.AllowOnlyNumericInput="True"  wd:TextBoxHelper.MinValue="1"  ></TextBox>
+                <TextBox Grid.Column="1"   wd:TextBoxHelper.MinValue="1" x:Name="videoCount" ></TextBox>
                 <Button Grid.Column="2" Content="开始拼接"   Click="Button_Click" x:Name="startButton"  />
                 <ScrollViewer Grid.Row="1" Grid.ColumnSpan="3" VerticalScrollBarVisibility="Auto" x:Name="scrowText" Margin="0,10,0,0">
                     <TextBlock  Text=""  x:Name="outputTxt" OverridesDefaultStyle="True"  TextWrapping="Wrap"/>

Video.xaml.cs

@@ -1,4 +1,6 @@
-using Microsoft.Win32;
+using Microsoft.Expression.Drawing.Core;
+using Microsoft.Extensions.Logging;
+using Microsoft.Win32;
 using System.IO;
 using System.Windows;
 
@@ -11,21 +13,54 @@ namespace VideoConcat
     public partial class Video : Window
     {
         public string text = "";
+        public FileSystemInfo[]? Floders { get; set; }
+        public string[] Heads = [];
+        public string[] Tails = [];
+        public string[] Middles = [];
+
+        public DirectoryInfo? Path { get; set; }
+
+
         public Video()
         {
             InitializeComponent();
-            Check_Folder();
+
 
         }
 
         private async void Button_Click(object sender, RoutedEventArgs e)
         {
 
+
+            int count = 0;
+            try
+            {
+                count = int.Parse(videoCount.Text);
+            }
+            catch (Exception)
+            {
+
+                MessageBox.Show("请输入正确的数字");
+                return;
+            }
+
+            WriteTxt($"生成视频的个数:{videoCount.Text} 个");
+
+            Check_Folder();
+
+
             startButton.IsEnabled = false;
+
+            Array.ForEach(array: Middles, s =>
+                                       {
+                                           WriteTxt(s);
+                                       });
+
             await Task.Run(() =>
             {
 
-                for (int i = 0; i <= 100; i++)
+
+                for (int i = 0; i <= count; i++)
                 {
                     System.Windows.Application.Current.Dispatcher.Invoke(() =>
                     {
@@ -54,34 +89,44 @@ namespace VideoConcat
         {
 
             string currentPath = Directory.GetCurrentDirectory();
-            DirectoryInfo? parentPathInfo = Directory.GetParent(currentPath);
-            if (parentPathInfo == null)
+            Path = Directory.GetParent(currentPath);
+            if (Path == null)
             {
                 WriteTxt("获取相关视频文件目录失败！");
                 return;
             }
-            WriteTxt("当前目录为:" + parentPathInfo.FullName);
+            WriteTxt("当前目录为:" + Path.FullName);
             try
             {
                 Boolean hasHead = false;
                 Boolean hasTail = false;
 
-                DirectoryInfo dirD = parentPathInfo as DirectoryInfo;
-                FileSystemInfo[] folders = dirD.GetDirectories();//获取文件夹下所有文件和文件夹  
-                                                                 //对单个FileSystemInfo进行判断，如果是文件夹则进行递归操作  
+                DirectoryInfo dirD = Path as DirectoryInfo;
+                //获取文件夹下所有文件夹  
+                Floders = dirD.GetDirectories();
 
-                foreach (FileSystemInfo folder in folders)
+                //对单个FileSystemInfo进行判断，如果是文件夹则进行递归操作  
+
+                foreach (FileSystemInfo folder in Floders)
                 {
                     WriteTxt($"{folder.Name}");
 
                     if (folder.Name == "head")
                     {
                         hasHead = true;
+                        Heads = GetAllVideos($"{Path}\\{folder.Name}");
+                        continue;
+
                     }
                     if (folder.Name == "tail")
                     {
                         hasTail = true;
+                        Tails = GetAllVideos($"{Path}\\{folder.Name}");
+                        continue;
                     }
+
+                    Middles = Middles.Concat(GetAllVideos($"{Path}\\{folder.Name}")).ToArray();
+
                 }
                 if (!hasHead)
                 {
@@ -106,5 +151,10 @@ namespace VideoConcat
             outputTxt.Text = text;
             scrowText.ScrollToEnd();
         }
+
+        public static string[] GetAllVideos(string path)
+        {
+            return Directory.GetFiles(path, "*.mp4", SearchOption.AllDirectories);
+        }
     }
 }