同步记录中打开视频播放

Controllers/VideoController.cs

@@ -5,6 +5,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
 using System.Drawing.Printing;
+using System.Threading.Tasks;
 
 namespace dy.net.Controllers
 {
@@ -53,28 +54,85 @@ namespace dy.net.Controllers
                 data
             });
         }
-        [AllowAnonymous]
-        [HttpGet]
-        public IActionResult Index()
+
+        /// <summary>
+        /// 播放视频
+        /// </summary>
+        /// <param name="vid"></param>
+        /// <returns></returns>
+        [HttpGet("play/{vid}")]
+        public async Task<IActionResult> StreamVideo([FromRoute] string vid)
         {
-            List<MyClass> myClasses = new List<MyClass>();
-            foreach (var drive in DriveInfo.GetDrives())
+            try
             {
-                myClasses.Add(new MyClass { name=drive.Name, x1= drive.TotalSize, x2= drive.TotalFreeSpace });
-                Serilog.Log.Debug($"Drive: {drive.Name}, Total Size: {drive.TotalSize}, Free Space: {drive.TotalFreeSpace}");
+                var viedo = await dyCollectVideoService.GetById(vid);
+
+                if(viedo == null)
+                {
+                    return NotFound($"视频不存在：{vid}");
+                }
+
+                // 1. 拼接完整物理路径（配置路径 + 文件名）
+                string videoFullPath = viedo.VideoSavePath;
+
+                // 2. 验证文件是否存在
+                if (!System.IO.File.Exists(videoFullPath))
+                {
+                    return NotFound($"视频文件不存在：{videoFullPath}");
+                }
+
+                // 3. 获取文件信息（大小、类型）
+                var fileInfo = new FileInfo(videoFullPath);
+                long fileSize = fileInfo.Length;
+                string contentType = GetContentType(videoFullPath);  // 自动识别视频 MIME 类型
+
+                // 4. 处理分片请求（前端视频标签自动发起，支持断点续传）
+                if (Request.Headers.ContainsKey("Range") && long.TryParse(Request.Headers.Range.ToString().Split('=')[1].Split('-')[0], out long start))
+                {
+                    // 分片起始位置（前端请求的起始字节）
+                    long end = Math.Min(start + 1024 * 1024 * 2, fileSize - 1);  // 每片 2MB（可调整）
+                    long chunkSize = end - start + 1;
+
+                    // 5. 设置分片响应头
+                    Response.StatusCode = StatusCodes.Status206PartialContent;
+                    Response.Headers.Add("Content-Range", $"bytes {start}-{end}/{fileSize}");
+                    Response.Headers.Add("Accept-Ranges", "bytes");
+                    Response.Headers.Add("Content-Length", chunkSize.ToString());
+
+                    // 6. 读取分片并返回流
+                    var stream = new FileStream(videoFullPath, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, true);
+                    stream.Seek(start, SeekOrigin.Begin);
+                    return new FileStreamResult(stream, contentType);
+                }
+                else
+                {
+                    // 完整文件请求（兼容旧浏览器）
+                    return PhysicalFile(videoFullPath, contentType, enableRangeProcessing: true);
+                }
+            }
+            catch (Exception ex)
+            {
+                return StatusCode(500, $"视频加载失败：{ex.Message}");
             }
-            //var disk=DiskInfoHelper.GetDockerHostTotalDiskSpaceGB();
-            return Ok(JsonConvert.SerializeObject(myClasses)+"\r\n"+JsonConvert.SerializeObject(myClasses.Sum(x=>x.x1)+"\r\n"+ JsonConvert.SerializeObject(myClasses.Sum(x => x.x2))));
         }
 
-
-        public class MyClass
+        /// <summary>
+        /// 辅助方法：根据文件名获取 MIME 类型（确保前端正确识别视频格式）
+        /// </summary>
+        private string GetContentType(string filename)
         {
-            public string name { get; set; }
-
-            public long x1 { get; set; }
-
-            public long x2 { get; set; }
+            string extension = Path.GetExtension(filename).ToLowerInvariant();
+            return extension switch
+            {
+                ".mp4" => "video/mp4",
+                ".webm" => "video/webm",
+                ".ogg" => "video/ogg",
+                ".mov" => "video/quicktime",
+                ".avi" => "video/x-msvideo",
+                _ => "application/octet-stream"  // 默认二进制流
+            };
         }
+
+
     }
 }