https://ruby-china.org/jbf034 en-us <pre class="highlight ruby"><code><span class="no">Husband</span><span class="p">.</span><span class="nf">rb</span> <span class="n">has_many</span> <span class="ss">:wives</span> <span class="n">accepts_nested_attributes_for</span> <span class="ss">:wives</span> <span class="no">Wife</span><span class="p">.</span><span class="nf">rb</span> <span class="n">belongs_to</span> <span class="ss">:husband</span> </code></pre> <p>参数为 "adf", "sex"=&gt;"男", "wives"=&gt;["adf", "noun"=&gt;"adf", "order"=&gt;"1", "remark"=&gt;"阿道夫"} permitted: true&gt;]} permitted: true&gt;</p> <p>create 时抛 *** ActiveRecord::AssociationTypeMismatch Exception: Wife(#70041826867080) expected, got {"name"=&gt;"adf", "noun"=&gt;"adf", "order"=&gt;"1", "remark"=&gt;"阿道夫"} which is an instance of ActiveSupport::HashWithIndifferentAccess(#17478600)</p> <p>哪位大神，帮帮我！</p> jbf034 Tue, 23 Apr 2019 15:42:39 +0800 https://ruby-china.org/topics/38442 https://ruby-china.org/topics/38442