base批量插入方法调用 list为空异常处理

Tiobon.Core.Services/BASE/BaseServices.cs

@@ -331,23 +331,27 @@ public class BaseServices<TEntity, TEntityDto, TInsertDto, TEditDto> : IBaseServ
     /// <returns>影响行数</returns>
     public virtual async Task<List<long>> Add(List<TInsertDto> listEntity)
     {
-        var userId = UserContext.Current.User_Id;
-        HttpRequest request = UserContext.Context.Request;
-        var api = request.Path.ObjToString().TrimEnd('/').ToLower();
-        var ip = GetUserIp(UserContext.Context);
-        var list = Mapper.Map(listEntity).ToANew<List<TEntity>>();
-        list.ForEach(entity =>
+        if (listEntity != null && listEntity.Any())
         {
-            BasePoco ent = entity as BasePoco;
-            ent.CreateIP = ip;
-            ent.CreateProg = api;
+            var userId = UserContext.Current.User_Id;
+            HttpRequest request = UserContext.Context.Request;
+            var api = request.Path.ObjToString().TrimEnd('/').ToLower();
+            var ip = GetUserIp(UserContext.Context);
+            var list = Mapper.Map(listEntity).ToANew<List<TEntity>>();
+            list.ForEach(entity =>
+            {
+                BasePoco ent = entity as BasePoco;
+                ent.CreateIP = ip;
+                ent.CreateProg = api;
 
 
-            #region 检查是否存在相同值
-            CheckOnly(entity);
-            #endregion
-        });
-        return await BaseDal.Add(list);
+                #region 检查是否存在相同值
+                CheckOnly(entity);
+                #endregion
+            });
+            return await BaseDal.Add(list);
+        }
+        else return default;
     }
     #endregion