/// <summary> /// 添加联系人 /// </summary> /// <param name="adds"></param> /// <returns></returns> private async Task AddContacts(IList <ContactAddedMsg> adds) { var employees = this._mapper.Map <IList <Employee> >(adds.Select(u => u.NewData)); using (var db = new ServiceDbContext(_dbOptions)) { await db.BulkInsertAsync(employees); await db.SaveChangesAsync(); } }