ruby-on-rails – Rails从父级删除子关联
发布时间:2020-12-16 20:42:34 所属栏目:百科 来源:网络整理
导读:我有(合同和附件与has_and_belongs_to_many相关联): # Get the contract and specific accessory based on params@contract = Contract.find(params[:id])@accessory = @contract.accessories.find(params[:accessory_id]) 现在,我想从@contract中删除该特
我有(合同和附件与has_and_belongs_to_many相关联):
# Get the contract and specific accessory based on params @contract = Contract.find(params[:id]) @accessory = @contract.accessories.find(params[:accessory_id]) 现在,我想从@contract中删除该特定的附件.我不想从DB中删除记录,而只是想删除两者之间的关联. 这样做的好办法是什么? 谢谢! 解决方法
这个怎么样:
@contract.accessories.delete(@accessory) 参见:(Rails,Associations) How do I remove a single HABTM associated item? (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |