feature:给所有仓储类都添加批量更新方法

DMS.Infrastructure/Repositories/EmailMessageRepository.cs

@@ -132,6 +132,17 @@ namespace DMS.Infrastructure.Repositories
             return _mapper.Map<List<EmailMessage>>(dbEntities);
         }
 
+        /// <summary>
+        /// 异步批量更新实体。
+        /// </summary>
+        public async Task<int> UpdateAsync(List<EmailMessage> entities)
+        {
+            var dbEntities = _mapper.Map<List<DbEmailMessage>>(entities);
+            return await Db.Updateable(dbEntities)
+                .ExecuteCommandAsync();
+        }
+        
+
         /// <summary>
         /// 异步根据实体列表批量删除实体。
         /// </summary>