问题描述
有表users和表orders，rails生成的关联表是orders_users，现在可不可以在users_controller.rb中通过User更新orders_users表中的字段值，要怎么操作……
问题解答
回答1：关联两张表时，会有生成以下的方法，更新orders_users也是通过以下方法操作
user.orders<<(object, ...)user.orders.delete(object, ...)user.orders.destroy(object, ...)user.orders=objectsuser.orders_singular_idsuser.orders_singular_ids=idsuser.orders.clearuser.orders.empty?user.orders.sizeuser.orders.find(...)user.orders.where(...)user.orders.exists?(...)user.orders.build(attributes = {})user.orders.create(attributes = {})user.orders.create!(attributes = {})
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