解决导出问题，其它有错误

API/Wood.Service/Controllers/NormalBaseController.cs

@@ -87,6 +87,8 @@ namespace Wood.Service.Controllers
             await _repository.DeleteAsync(id);
             return new JsonResult(new { Code = 200, Message = "删除成功!" }); ;
         }
+
+
         [HttpGet]
         public async Task<ActionResult<PagedResult<T>>> GetPaged(
         [FromQuery] int pageNumber = 1,
@@ -110,11 +112,13 @@ namespace Wood.Service.Controllers
             var pagedResult = await _repository.GetPagedAsync(filter, pagingParams);
             return Ok(pagedResult);
         }
-             public async Task<FileStreamResult> Export([FromQuery] int pageNumber = 1,
+
-  [FromQuery] int pageSize = 10,
+
-  [FromQuery] string sortBy = "",
+        public async Task<FileStreamResult> Export<T>([FromQuery] int pageNumber = 1,
-  [FromQuery] bool isAscending = true,
+        [FromQuery] int pageSize = 10,
-  [FromQuery] Dictionary<string, string> filters = null)
+        [FromQuery] string sortBy = "",
+        [FromQuery] bool isAscending = true,
+        [FromQuery] Dictionary<string, string> filters = null) where T : class, new()
         {
             var pagingParams = new PagingParams
             {
@@ -133,7 +137,7 @@ namespace Wood.Service.Controllers
 
 
         }
-        protected async Task<FileStreamResult> ExportFile(ICollection<T> dtos, string fileName)
+        protected async Task<FileStreamResult> ExportFile<T>(ICollection<T> dtos, string fileName) where T: class, new()
         {
             var excelExporter = HttpContext.RequestServices.GetRequiredService<IExcelExporter>();
             var res = await excelExporter.ExportAsByteArray<T>(dtos);
@@ -142,7 +146,7 @@ namespace Wood.Service.Controllers
 
 
         [HttpGet]
-        public async Task<IActionResult> GetImportTemplate()
+        public async Task<IActionResult> GetImportTemplate<T>() where T: class, new()
         {
             try
             {
@@ -150,8 +154,8 @@ namespace Wood.Service.Controllers
                 var importer = new ExcelImporter();
 
                 // 生成导入模板流（这里假设使用 YourModel 作为导入模型）
-                using var stream = new MemoryStream();
+                byte[] by = await importer.GenerateTemplateBytes<T>();
-                await importer.GenerateTemplate(stream, typeof(T));
+                using var stream = new MemoryStream(by);
                 stream.Seek(0, SeekOrigin.Begin);
 
                 // 设置友好的文件名，例如："导入模板_20250530.xlsx"