fix bug

Server/Apis/Siger.ApiConfig/Controller/DownloadController.cs

@@ -3,6 +3,7 @@ using System.IO;
 using System.Net;
 using System.Net.Http;
 using System.Net.Http.Headers;
+using System.Web;
 using Microsoft.AspNetCore.Mvc;
 using Siger.ApiCommon.Filters;
 using Siger.ApiCommon.Utilities;
@@ -321,39 +322,32 @@ namespace Siger.ApiConfig.Controller
         [NoResultFilter]
         public IActionResult DownloadFileByUrl(string url, string name)
         {
-            if (string.IsNullOrWhiteSpace(url))
+            if (!string.IsNullOrEmpty(url))
             {
-                return new NoContentResult();
-            }
-            var fileSetting = Config<FileSettings>.Get();
-            if (fileSetting == null)
-            {
-                return new NoContentResult();
-            }
-            var rootDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, fileSetting.FileSetting.PhysicalFolder);
-            if (!Directory.Exists(rootDir))
-            {
-                return new NoContentResult();
+                var file_url = url.Split("Files");
+                if (url.Length == 2)
+                {
+                    url = "Files" + file_url[1];
+                }
             }
-
-            var path = rootDir + url;
+            var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, url).Replace("Files", "TemporaryFiles");
             if (!System.IO.File.Exists(path))
             {
                 return new NoContentResult();
             }
+
             try
             {
-                var stream = new FileStream(path, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
+                var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
                 var response = new HttpResponseMessage(HttpStatusCode.OK) { Content = new StreamContent(stream) };
                 response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
                 response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
                 {
-                    FileName = string.IsNullOrWhiteSpace(name) ? url.Substring(url.LastIndexOf('.')) : name
+                    FileName = name
                 };
-
                 return File(stream, "application/octet-stream");
             }
-            catch
+            catch (Exception e)
             {
                 throw new BadRequestException(CommonEnum.Fail);
             }