- 增加 DbContext、Repository SaveManyToMany 方法，实现手工保存 ManyToMany 关联数据；

FreeSql.DbContext/Repository/Repository/BaseRepository.cs

@@ -129,6 +129,12 @@ namespace FreeSql
             _db.SaveChanges();
             return entity;
         }
+
+        public void SaveManyToMany(TEntity entity, string propertyName)
+        {
+            _dbset.SaveManyToMany(entity, propertyName);
+            _db.SaveChanges();
+        }
     }
 
     public abstract partial class BaseRepository<TEntity, TKey> : BaseRepository<TEntity>, IBaseRepository<TEntity, TKey>

FreeSql.DbContext/Repository/Repository/BaseRepositoryAsync.cs

@@ -36,7 +36,7 @@ namespace FreeSql
         async public virtual Task<TEntity> InsertAsync(TEntity entity)
         {
             await _dbset.AddAsync(entity);
-            _db.SaveChanges();
+            await _db.SaveChangesAsync();
             return entity;
         }
         async public virtual Task<List<TEntity>> InsertAsync(IEnumerable<TEntity> entitys)
@@ -60,9 +60,15 @@ namespace FreeSql
         async public Task<TEntity> InsertOrUpdateAsync(TEntity entity)
         {
             await _dbset.AddOrUpdateAsync(entity);
-            _db.SaveChanges();
+            await _db.SaveChangesAsync();
             return entity;
         }
+
+        async public Task SaveManyToManyAsync(TEntity entity, string propertyName)
+        {
+            await _dbset.SaveManyToManyAsync(entity, propertyName);
+            await _db.SaveChangesAsync();
+        }
     }
 
     partial class BaseRepository<TEntity, TKey>

FreeSql.DbContext/Repository/Repository/IBasicRepository.cs

@@ -29,6 +29,12 @@ namespace FreeSql
         int Update(IEnumerable<TEntity> entitys);
 
         TEntity InsertOrUpdate(TEntity entity);
+        /// <summary>
+        /// 保存实体的指定 ManyToMany 导航属性
+        /// </summary>
+        /// <param name="entity">实体对象</param>
+        /// <param name="propertyName">属性名</param>
+        void SaveManyToMany(TEntity entity, string propertyName);
 
         IUpdate<TEntity> UpdateDiy { get; }
 
@@ -43,6 +49,7 @@ 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<int> DeleteAsync(TEntity entity);
         Task<int> DeleteAsync(IEnumerable<TEntity> entitys);