- 增加 Repository/DbContext SaveMany 方法实现一对多，子数据的完整保存；

- 调整 SaveManyToMany 方法名为 SaveMany；

FreeSql.DbContext/Repository/Repository/BaseRepository.cs

@@ -130,9 +130,9 @@ namespace FreeSql
             return entity;
         }
 
-        public void SaveManyToMany(TEntity entity, string propertyName)
+        public void SaveMany(TEntity entity, string propertyName)
         {
-            _dbset.SaveManyToMany(entity, propertyName);
+            _dbset.SaveMany(entity, propertyName);
             _db.SaveChanges();
         }
     }

FreeSql.DbContext/Repository/Repository/BaseRepositoryAsync.cs

@@ -64,9 +64,9 @@ namespace FreeSql
             return entity;
         }
 
-        async public Task SaveManyToManyAsync(TEntity entity, string propertyName)
+        async public Task SaveManyAsync(TEntity entity, string propertyName)
         {
-            await _dbset.SaveManyToManyAsync(entity, propertyName);
+            await _dbset.SaveManyAsync(entity, propertyName);
             await _db.SaveChangesAsync();
         }
     }

FreeSql.DbContext/Repository/Repository/IBasicRepository.cs

@@ -30,11 +30,15 @@ namespace FreeSql
 
         TEntity InsertOrUpdate(TEntity entity);
         /// <summary>
-        /// 保存实体的指定 ManyToMany 导航属性
+        /// 保存实体的指定 ManyToMany/OneToMany 导航属性（完整对比）<para></para>
+        /// 场景：在关闭级联保存功能之后，手工使用本方法<para></para>
+        /// 例子：保存商品的 OneToMany 集合属性，SaveMany(goods, "Skus")<para></para>
+        /// 当 goods.Skus 为空(非null)时，会删除表中已存在的所有数据<para></para>
+        /// 当 goods.Skus 不为空(非null)时，添加/更新后，删除表中不存在 Skus 集合属性的所有记录
         /// </summary>
         /// <param name="entity">实体对象</param>
         /// <param name="propertyName">属性名</param>
-        void SaveManyToMany(TEntity entity, string propertyName);
+        void SaveMany(TEntity entity, string propertyName);
 
         IUpdate<TEntity> UpdateDiy { get; }
 
@@ -49,7 +53,7 @@ namespace FreeSql
         Task<int> UpdateAsync(TEntity entity);
         Task<int> UpdateAsync(IEnumerable<TEntity> entitys);
         Task<TEntity> InsertOrUpdateAsync(TEntity entity);
-        Task SaveManyToManyAsync(TEntity entity, string propertyName);
+        Task SaveManyAsync(TEntity entity, string propertyName);
 
         Task<int> DeleteAsync(TEntity entity);
         Task<int> DeleteAsync(IEnumerable<TEntity> entitys);