上传了WPF版本

WpfApp/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="DC_sub_downloader.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:DC_sub_downloader"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

WpfApp/App.xaml.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Windows;
+
+namespace DC_sub_downloader
+{
+    /// <summary>
+    /// App.xaml 的交互逻辑
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

WpfApp/MainWindow.xaml

@@ -0,0 +1,26 @@
+<Window x:Class="DC_sub_downloader.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:DC_sub_downloader"
+        mc:Ignorable="d"
+        Background="Azure"
+        Title="DC字幕下载器" 
+        Height="600" 
+        Width="800"
+        DragEnter="Window_DragEnter"
+        DragOver="Window_DragOver"
+        Drop="Window_Drop">
+    <Grid
+        Background="Azure" 
+        HorizontalAlignment="Center" 
+        VerticalAlignment="Center">
+        <TextBlock
+            ForceCursor="False"
+            Name="messageBlock"
+            FontSize="20px"
+            Foreground="#d3d3d3"
+            Text="拖入视频开始下载，支持多文件"/>
+    </Grid>
+</Window>

WpfApp/MainWindow.xaml.cs

@@ -0,0 +1,106 @@
+using System;
+using System.Linq;
+
+using System.Windows;
+using System.IO;
+
+namespace DC_sub_downloader
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+            this.AllowDrop = true;
+        }
+
+        private async void Window_Drop(object sender, DragEventArgs e)
+        {
+            var allFilePaths = (String[])e.Data.GetData(DataFormats.FileDrop);
+            var downloadInfoList = allFilePaths.Select(x => new DownloadInfo() { fileName = System.IO.Path.GetFileName(x), status = DownloadStatus.Pre, subNumber = 0 }).ToArray();
+
+            this.messageBlock.Text = String.Join("\n", downloadInfoList.Select(x => x.message));
+
+            for (var i = 0; i < allFilePaths.Length; i++)
+            {
+                var filePath = allFilePaths[i];
+                if (File.Exists(filePath))
+                {
+                    var theDownloader = new SubDownloader(filePath);
+
+                    downloadInfoList[i].status = DownloadStatus.Ing;
+                    this.messageBlock.Text = String.Join("\n", downloadInfoList.Select(x => x.message));
+
+                    var subNumber = await theDownloader.downLoadAllAsync();
+
+                    downloadInfoList[i].subNumber = subNumber;
+                    downloadInfoList[i].status = DownloadStatus.Done;
+                }
+                else
+                {
+                    downloadInfoList[i].status = DownloadStatus.NotFile;
+                }
+                this.messageBlock.Text = String.Join("\n", downloadInfoList.Select(x => x.message));
+            }
+        }
+
+        private void Window_DragEnter(object sender, DragEventArgs e)
+        {
+            if (e.Data.GetDataPresent(DataFormats.FileDrop))
+            {
+                e.Effects = DragDropEffects.Link;
+            }
+            else
+            {
+                e.Effects = DragDropEffects.None;
+                this.messageBlock.Text = "拖入的不是文件";
+            }
+        }
+
+        private void Window_DragOver(object sender, DragEventArgs e)
+        {
+            if (e.Data.GetDataPresent(DataFormats.FileDrop))
+            {
+                e.Effects = DragDropEffects.Link;
+            }
+            else
+            {
+                e.Effects = DragDropEffects.None;
+            }
+        }
+    }
+
+    enum DownloadStatus
+    {
+        Pre, Ing, Done, NotFile
+    }
+
+    class DownloadInfo
+    {
+        public String fileName;
+        public DownloadStatus status;
+        public int subNumber;
+        public String message
+        {
+            get
+            {
+                if (status == DownloadStatus.Pre)
+                {
+                    return String.Format("即将开始下载:{0}", fileName);
+                }
+                else if (status == DownloadStatus.Ing)
+                {
+                    return String.Format("正在下载字幕:{0}", fileName);
+                }
+                else if (status == DownloadStatus.NotFile)
+                {
+                    return String.Format("不是文件或者文件无法访问:{0}", fileName);
+                }
+                else
+                {
+                    return String.Format("{1,2}个字幕完成：{0}", fileName, subNumber);
+                }
+            }
+        }
+    }
+}

WpfApp/README.MD

@@ -0,0 +1,5 @@
+用C#写的WPF程序，最终的打包成了单文件发布
+
+icon.ico是软件图标，不过我想你们也不会在意的233333
+
+[项目依赖](packages.config)

WpfApp/SubDownloader.cs

@@ -0,0 +1,124 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using System.Net;
+using Newtonsoft.Json;
+using System.Security.Cryptography;
+using System.Linq;
+using System.Text;
+
+namespace DC_sub_downloader
+{
+    public class SubDownloader
+    {
+        private String filePath;
+        public SubDownloader(String filePath)
+        {
+            this.filePath = filePath;
+        }
+
+        public async Task<int> downLoadAllAsync()
+        {
+            var dirName = Path.GetDirectoryName(this.filePath);
+            var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(this.filePath);
+            var client = new WebClient();
+
+            var subInfoList = await this.getSubInfoListAsync();
+            subInfoList = subInfoList.Where(s => s.rate > 0).ToArray();
+
+            for (var i = 0; i < subInfoList.Length; i++)
+            {
+                var theSubInfo = subInfoList[i];
+                var subFileName = String.Format("{0}_{1}{2}", fileNameWithoutExtension, i, Path.GetExtension(theSubInfo.surl));
+                var subFilePath = Path.Combine(dirName, subFileName);
+                while (true)
+                {
+                    try
+                    {
+                        await client.DownloadFileTaskAsync(theSubInfo.surl, subFilePath);
+                        break;
+                    }
+                    catch (WebException)
+                    {
+                        continue;
+                    }
+                }
+            }
+            return subInfoList.Length;
+        }
+
+        public String Cid
+        {
+            get
+            {
+                var stream = new FileStream(this.filePath, FileMode.Open, FileAccess.Read);
+                var reader = new BinaryReader(stream);
+                var fileSize = (new FileInfo(filePath).Length);
+                var SHA1 = new SHA1CryptoServiceProvider();
+                var buffer = new byte[0xf000];
+                if (fileSize < 0xf000)
+                {
+                    reader.Read(buffer, 0, (int)fileSize);
+                    buffer = SHA1.ComputeHash(buffer, 0, (int)fileSize);
+                }
+                else
+                {
+                    reader.Read(buffer, 0, 0x5000);
+                    stream.Seek(fileSize / 3, SeekOrigin.Begin);
+                    reader.Read(buffer, 0x5000, 0x5000);
+                    stream.Seek(fileSize - 0x5000, SeekOrigin.Begin);
+                    reader.Read(buffer, 0xa000, 0x5000);
+
+                    buffer = SHA1.ComputeHash(buffer, 0, 0xf000);
+                }
+                var result = "";
+                foreach (var i in buffer)
+                {
+                    result += String.Format("{0:X2}", i);
+                }
+                return result;
+            }
+        }
+
+        public async Task<String> getRawSubInfosAsync()
+        {
+            var client = new WebClient();
+            var url = String.Format("http://sub.xmp.sandai.net:8000/subxl/{0}.json", this.Cid);
+            while (true)
+            {
+                try
+                {
+                    var data = await client.DownloadDataTaskAsync(url);
+                    return Encoding.UTF8.GetString(data);
+                }
+                catch (WebException)
+                {
+                    continue;
+                }
+            }
+        }
+
+        public async Task<SubInfo[]> getSubInfoListAsync()
+        {
+            var result = JsonConvert.DeserializeObject<SubList>(await this.getRawSubInfosAsync()).sublist;
+            result = result.Where(s => !string.IsNullOrEmpty(s.surl)).ToArray();
+            return result;
+        }
+
+
+    }
+    public class SubInfo
+    {
+        public String scid { get; set; }
+        public String sname { get; set; }
+        public String language { get; set; }
+        public long rate { get; set; }
+        public String surl { get; set; }
+        public long svote { get; set; }
+        public long roffset { get; set; }
+    }
+    public class SubList
+    {
+        public SubInfo[] sublist;
+    }
+}

WpfApp/app.config

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>

WpfApp/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
+</packages>