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    <title>ji.menbi (ji.menbi)</title>
    <link>https://ruby-china.org/ji.menbi</link>
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      <title>请教 rails 中 model 中 has_many through 关联中， 是否获取和设置中间表的 API</title>
      <description>&lt;pre class="highlight ruby"&gt;&lt;code&gt;&lt;span class="k"&gt;class&lt;/span&gt; &lt;span class="nc"&gt;Author&lt;/span&gt; 
  &lt;span class="n"&gt;has_many&lt;/span&gt; &lt;span class="ss"&gt;:articles&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="ss"&gt;through: :autor_articles_association&lt;/span&gt;
  &lt;span class="n"&gt;has_many&lt;/span&gt; &lt;span class="ss"&gt;:author_articles_associations&lt;/span&gt;
&lt;span class="k"&gt;end&lt;/span&gt;

&lt;span class="k"&gt;class&lt;/span&gt; &lt;span class="nc"&gt;AuthorArticleAssociation&lt;/span&gt;
  &lt;span class="n"&gt;belongs_to&lt;/span&gt; &lt;span class="ss"&gt;:author&lt;/span&gt;
  &lt;span class="n"&gt;belongs_to&lt;/span&gt; &lt;span class="ss"&gt;:article&lt;/span&gt;
&lt;span class="k"&gt;end&lt;/span&gt;

&lt;span class="k"&gt;class&lt;/span&gt; &lt;span class="nc"&gt;Article&lt;/span&gt;
  &lt;span class="n"&gt;has_many&lt;/span&gt; &lt;span class="ss"&gt;:authors&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="ss"&gt;through: :autor_articles_association&lt;/span&gt;
  &lt;span class="n"&gt;has_many&lt;/span&gt; &lt;span class="ss"&gt;:author_articles_associations&lt;/span&gt;
&lt;span class="k"&gt;end&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;
&lt;p&gt;现在假设，AuthorAritleAssociation 的 model 里面有一个 column:  some_attribute&lt;br&gt;
问题：&lt;br&gt;
1.现在有实例 author 和 article,  那么 在类似 author &amp;lt;&amp;lt; article 这种操作过程中，能设置中间表的 some_attribute 属性。类似于这类函数 author.add_articles(article: article, some_attribute: "value")&lt;br&gt;
2.在完成关联的情况下，是否有类似函数 author.author_articles_associations_with(article)&lt;br&gt;
感谢&lt;/p&gt;</description>
      <author>ji.menbi</author>
      <pubDate>Thu, 01 Jun 2017 17:49:48 +0800</pubDate>
      <link>https://ruby-china.org/topics/33114</link>
      <guid>https://ruby-china.org/topics/33114</guid>
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