文件下载名称调优

src/Jiaowu.Api/Controllers/PersonnelExcelController.cs

@@ -4,6 +4,7 @@ using Jiaowu.Api.Infrastructure.Auth;
 using Jiaowu.Api.Infrastructure.Caching;
 using Jiaowu.Api.Infrastructure.Academic;
 using Jiaowu.Api.Infrastructure.Excel;
+using Jiaowu.Api.Infrastructure.Files;
 using Jiaowu.Api.Infrastructure.Persistence;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
@@ -74,7 +75,7 @@ public sealed class PersonnelExcelController(
                 "整批数据会先校验，任一行有误时均不会写入。"
             ]);
         return File(bytes, ExcelWorkbookHelper.ContentType,
-            $"{RegistryName(kind)}导入模板.xlsx");
+            DownloadFileName.Template(RegistryName(kind), ".xlsx"));
     }
 
     [HttpGet("{kind}/export")]
@@ -120,7 +121,7 @@ public sealed class PersonnelExcelController(
 
         var bytes = ExcelWorkbookHelper.Create(RegistryName(kind), headers, rows);
         return File(bytes, ExcelWorkbookHelper.ContentType,
-            $"{RegistryName(kind)}-{DateTime.Now:yyyyMMdd-HHmm}.xlsx");
+            DownloadFileName.Export(RegistryName(kind), ".xlsx"));
     }
 
     [HttpGet("students/current-courses/export")]
@@ -174,7 +175,7 @@ public sealed class PersonnelExcelController(
             StudentCurrentCourseHeaders,
             rows);
         return File(bytes, ExcelWorkbookHelper.ContentType,
-            $"学生正在修读课程-{DateTime.Now:yyyyMMdd-HHmm}.xlsx");
+            DownloadFileName.Export("学生正在修读课程", ".xlsx"));
     }
 
     [HttpPost("{kind}/import")]