1.去掉编译条件

2.重写业务导入功能

WarehouseMgr/Tnb.WarehouseMgr/ExcelDataImportManager.cs

@@ -21,7 +21,7 @@ namespace Tnb.WarehouseMgr
         protected Task<List<Dictionary<string, object>>> ImportExcelToMemory(IFormFile file)
         {
             int rowIndex = 1;
-            List<Dictionary<string, object>> dics = new();
+            List<Dictionary<string, object>>? dics = new();
             IWorkbook? workbook = null;
             try
             {
@@ -71,18 +71,20 @@ namespace Tnb.WarehouseMgr
                                     dics.Add(dic);
                                 }
                             }
+                            if (dics == null) throw new AppFriendlyException("输入的数据为空", 500);
                         }
                     }
                 }
             }
             catch (Exception)
             {
+                //return Task.FromResult(dics);
                 throw;
             }
             return Task.FromResult(dics);
         }
 
-        public async Task<dynamic?> GenImportTemplate(params string[] fields) 
+        public async Task<dynamic?> GenImportTemplate(params string[] fields)
         {
             return null;
         }