There's a form on my site allowing to update an object (i.e. Book). The book contains the field author_id which references the Author class. The form allows changing the author.There's a form on my site allowing to update an
阅读背景：
Rails 2.3.8:在保存之前验证一个对象会显示以前的引用，而不是更新的引用
来源：互联网
分享到：
