实现下载列表中版本的功能

2025-12-06 10:50:42 +08:00 · 2025-10-17 21:46:26 +08:00
parent 05e7a4fe6e
commit c72ecb8847
5 changed files with 217 additions and 0 deletions
--- a/Tools/DownloadService.cs
+++ b/Tools/DownloadService.cs
@@ -0,0 +1,72 @@
+using System;
+using System.IO;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+namespace MCSJ.Tools
+{
+    public class DownloadService
+    {
+        private readonly VersionManager _versionManager;
+        private readonly HttpClient _httpClient;
+
+        public DownloadService(VersionManager versionManager)
+        {
+            _versionManager = versionManager;
+            _httpClient = new HttpClient();
+        }
+
+        public async Task DownloadVersion(string version)
+        {
+            var url = _versionManager.GetDownloadUrl(version);
+            if (url == null)
+            {
+                Console.WriteLine($"版本 {version} 不存在");
+                return;
+            }
+
+            try
+            {
+                Console.WriteLine($"开始下载 {version}...");
+                
+                var response = await _httpClient.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
+                response.EnsureSuccessStatusCode();
+
+                var totalBytes = response.Content.Headers.ContentLength ?? -1;
+                var downloadedBytes = 0L;
+                var buffer = new byte[8192];
+                var isMoreToRead = true;
+
+                using (var stream = await response.Content.ReadAsStreamAsync())
+                using (var fileStream = new FileStream($"{version}.jar", FileMode.Create, FileAccess.Write))
+                {
+                    while (isMoreToRead)
+                    {
+                        var read = await stream.ReadAsync(buffer, 0, buffer.Length);
+                        if (read == 0)
+                        {
+                            isMoreToRead = false;
+                        }
+                        else
+                        {
+                            await fileStream.WriteAsync(buffer, 0, read);
+
+                            downloadedBytes += read;
+                            if (totalBytes > 0)
+                            {
+                                var progress = (double)downloadedBytes / totalBytes * 100;
+                                Console.Write($"\r下载进度: {progress:F2}%");
+                            }
+                        }
+                    }
+                }
+
+                Console.WriteLine($"\n{version} 下载完成!");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"下载失败: {ex.Message}");
+            }
+        }
+    }
+}
--- a/Tools/VersionManager.cs
+++ b/Tools/VersionManager.cs
@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace MCSJ.Tools
+{
+    public class VersionManager
+    {
+        private readonly Dictionary<string, string> _versions = new();
+
+        public VersionManager()
+        {
+            LoadVersions();
+        }
+
+        private void LoadVersions()
+        {
+            try
+            {
+                var filePath = Path.Combine("resources", "serverlist.txt");
+                Console.WriteLine($"尝试从路径加载版本列表: {Path.GetFullPath(filePath)}");
+                
+                if (!File.Exists(filePath))
+                {
+                    throw new FileNotFoundException($"服务器列表文件不存在: {filePath}");
+                }
+
+                var content = File.ReadAllText(filePath);
+                var entries = content.Split(new[] {' ', '\n', '\r'}, StringSplitOptions.RemoveEmptyEntries);
+                
+                foreach (var entry in entries)
+                {
+                    var colonIndex = entry.IndexOf(':');
+                    if (colonIndex > 0 && colonIndex < entry.Length - 1)
+                    {
+                        var version = entry.Substring(0, colonIndex);
+                        var url = entry.Substring(colonIndex + 1);
+                        _versions[version] = url;
+                    }
+                    else
+                    {
+                        Console.WriteLine($"忽略无效条目: {entry} (缺少冒号分隔或格式不正确)");
+                    }
+                }
+                
+                if (_versions.Count == 0)
+                {
+                    throw new Exception("没有找到有效的版本条目");
+                }
+                
+                Console.WriteLine($"成功加载 {_versions.Count} 个版本");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"加载版本列表失败: {ex.Message}");
+                Console.WriteLine($"当前工作目录: {Directory.GetCurrentDirectory()}");
+                Console.WriteLine("请确保serverlist.txt格式为: 版本名:下载URL (每行一个或空格分隔)");
+            }
+        }
+
+        public void DisplayAllVersions()
+        {
+            Console.WriteLine("可用版本列表:");
+            foreach (var version in _versions.Keys)
+            {
+                Console.WriteLine(version);
+            }
+        }
+
+        public string GetDownloadUrl(string version)
+        {
+            return _versions.TryGetValue(version, out var url) ? url : null;
+        }
+    }
+}