【修改】 解压文件中文名称乱码问题

Applications/Program.cs

@@ -1,4 +1,8 @@
-using System;
+using Applications;
+using ICSharpCode.SharpZipLib.Zip;
+using Microsoft.Win32;
+using MySql.Data.MySqlClient;
+using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -9,12 +13,9 @@ using System.Net.NetworkInformation;
 using System.Security.Cryptography;
 using System.Security.Principal;
 using System.ServiceProcess;
+using System.Text;
 using System.Text.Json;
 using System.Xml.Linq;
-using Applications;
-using ICSharpCode.SharpZipLib.Zip;
-using Microsoft.Win32;
-using MySql.Data.MySqlClient;
 
 class Program
 {
@@ -37,7 +38,7 @@ class Program
         // 添加 CORS 响应头
         context.Response.AddHeader("Access-Control-Allow-Origin", "*");
         context.Response.AddHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
-        context.Response.AddHeader("Access-Control-Allow-Headers", "Content-Type");
+        context.Response.AddHeader("Access-Control-Allow-Headers", "Content-Type, tenant-id");
 
         // 处理预检请求
         if (context.Request.HttpMethod == "OPTIONS")
@@ -136,7 +137,8 @@ class Program
                 {
                     Console.WriteLine("检测到ZIP文件，开始解压...");
                     string extractPath = Path.Combine(folderPath, Path.GetFileNameWithoutExtension(downloadedFilePath));
-                    System.IO.Compression.ZipFile.ExtractToDirectory(downloadedFilePath, folderPath);
+                    //System.IO.Compression.ZipFile.ExtractToDirectory(downloadedFilePath, folderPath);
+                    UnzipWithChineseNames(downloadedFilePath, folderPath);
                     Console.WriteLine($"解压完成，文件保存在: {extractPath}");
 
                     // 删除原ZIP文件
@@ -649,7 +651,68 @@ class Program
         }
         return false; // 端口可用
     }
+    /// <summary>
+    /// 解压ZIP文件并保留中文文件名
+    /// </summary>
+    /// <param name="zipFilePath">ZIP文件路径</param>
+    /// <param name="outputFolder">解压目标文件夹</param>
+    public static void UnzipWithChineseNames(string zipFilePath, string outputFolder)
+    {
+        // ✅ 注册编码提供程序（仅.NET Core / .NET 5 + 需要）
+        Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
 
+        // ✅ 设置 GBK 编码（或 UTF-8）
+        ZipStrings.CodePage = Encoding.GetEncoding("GBK").CodePage; // 或 936 / UTF8
+
+        if (!Directory.Exists(outputFolder))
+            Directory.CreateDirectory(outputFolder);
+
+        using (var fs = File.OpenRead(zipFilePath))
+        using (var zipInputStream = new ZipInputStream(fs))
+        {
+            ZipEntry entry;
+            while ((entry = zipInputStream.GetNextEntry()) != null)
+            {
+                // 处理路径（统一替换路径分隔符为当前系统的分隔符）
+                string entryName = entry.Name.Replace('/', Path.DirectorySeparatorChar);
+                string fullPath = Path.Combine(outputFolder, entryName);
+
+                if (entry.IsDirectory)
+                {
+                    // 如果是目录，确保创建该目录
+                    if (!Directory.Exists(fullPath))
+                    {
+                        Directory.CreateDirectory(fullPath);
+                        // 设置目录的修改时间（可选）
+                        Directory.SetLastWriteTime(fullPath, entry.DateTime);
+                    }
+                }
+                else
+                {
+                    // 如果是文件，确保父目录存在
+                    string directoryName = Path.GetDirectoryName(fullPath);
+                    if (!string.IsNullOrEmpty(directoryName) && !Directory.Exists(directoryName))
+                    {
+                        Directory.CreateDirectory(directoryName);
+                    }
+
+                    // 写入文件内容
+                    using (var streamWriter = File.Create(fullPath))
+                    {
+                        byte[] buffer = new byte[4096];
+                        int size;
+                        while ((size = zipInputStream.Read(buffer, 0, buffer.Length)) > 0)
+                        {
+                            streamWriter.Write(buffer, 0, size);
+                        }
+                    }
+
+                    // 设置文件的修改时间
+                    File.SetLastWriteTime(fullPath, entry.DateTime);
+                }
+            }
+        }
+    }
     static async Task<string> DownloadFileAsync(string url, string saveDir)
     {
         using (var httpClient = new HttpClient())