田工版本初次提交

WebApplication2/Controllers/HomeController.cs

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+using Microsoft.AspNetCore.Mvc;
+using System.Diagnostics;
+using WebApplication2.Models;
+
+namespace WebApplication2.Controllers
+{
+    public class HomeController : Controller
+    {
+        private readonly ILogger<HomeController> _logger;
+
+        public HomeController(ILogger<HomeController> logger)
+        {
+            _logger = logger;
+        }
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        public IActionResult Privacy()
+        {
+            return View();
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+        }
+    }
+}

WebApplication2/Controllers/ValuesController.cs

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+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.StaticFiles;
+using System.IO.Compression;
+
+namespace WebApplication2.Controllers
+{
+    [Route("api/[controller]/[action]")]
+    [ApiController]
+    public class ValuesController : ControllerBase
+    {
+        public IWebHostEnvironment _environment;
+        private readonly IContentTypeProvider _contentTypeProvider;
+        public ValuesController(IWebHostEnvironment e)
+        {
+            this._environment = e;
+            _contentTypeProvider = new FileExtensionContentTypeProvider();
+        }
+        [HttpGet()]
+        public async Task<IActionResult> DownloadImage(string imageName)
+        {
+            try
+            {
+                // 安全检查：防止路径遍历攻击
+                if (imageName.Contains("..") || imageName.Contains("/") || imageName.Contains("\\"))
+                {
+                    return BadRequest("无效的文件名");
+                }
+
+                // 构建完整文件路径
+                var imagePath = Path.Combine(_environment.ContentRootPath, "images", imageName);
+
+                // 检查文件是否存在
+                if (!System.IO.File.Exists(imagePath))
+                {
+                    return NotFound("图片不存在");
+                }
+
+                // 获取文件内容类型
+                if (!_contentTypeProvider.TryGetContentType(imageName, out var contentType))
+                {
+                    contentType = "application/octet-stream";
+                }
+
+                // 读取文件并返回
+                //var fileBytes = await System.IO.File.ReadAllBytesAsync(imagePath);
+
+
+
+                var validFiles = new List<(string FileName, string FilePath)>();
+                validFiles.Add((imageName, imagePath));
+                var memoryStream = new MemoryStream();
+
+                // 创建zip归档
+                using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
+                {
+                    foreach (var (fileName, filePath) in validFiles)
+                    {
+                        try
+                        {
+                            // 在zip中创建条目
+                            var entry = archive.CreateEntry(fileName, CompressionLevel.Optimal);
+
+                            // 写入文件内容
+                            using var entryStream = entry.Open();
+                            using var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
+                            await fileStream.CopyToAsync(entryStream);
+                        }
+                        catch (Exception ex)
+                        {
+
+                        }
+                    }
+                }
+                memoryStream.Seek(0, SeekOrigin.Begin);
+                // 返回zip文件
+                return File(memoryStream, "application/zip", "1.zip");
+
+                //// 重置流位置
+                //return File(fileBytes, contentType, imageName);
+            }
+            catch (Exception ex)
+            {
+                return StatusCode(500, $"下载失败: {ex.Message}");
+            }
+        }
+    }
+}