http://joetsuihk.com/en/taxonomy/term/121/all en http://joetsuihk.com/en/node_quotbackquot_referencing_%E5%8F%8D%E5%90%91%E7%AF%80%E9%BB%9E%E9%80%A3%E7%B5%90 <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><img src="http://www.joetsuihk.com/files/node reference view.png" /><br /> Node reference 是一種 cck 的欄位<br /> 用以放入另一個節點, 建立節點之間的關係<br /> 簡單的樹狀結構便可以使用 node reference 來建立主從關係</p> <p>但今次要討論的是 "反向的 node reference"<br /> 想像兩個 content type "project" 和 "task"<br /> "task" 需要一個 node reference 欄位指定它的所屬 "project"<br /> 但 "project" 頁面便需要一個 list of tasks<br /> 而也不可能在 "project" 同樣建立 node reference 到 "task"<br /> 太費時了, 既是雙重輸入 (double entry), 又 "project" 可以有很多 "task", 難以管理</p></div></div></div><div class="field field-name-taxonomy-vocabulary-2 field-type-taxonomy-term-reference field-label-above"><div class="field-label">Free tags:&nbsp;</div><div class="field-items"><div class="field-item even"><a href="/en/taxonomy/term/33">views</a></div><div class="field-item odd"><a href="/en/taxonomy/term/35">cck</a></div><div class="field-item even"><a href="/en/free_tags/argument">argument</a></div><div class="field-item odd"><a href="/en/free_tags/drupal6x">Drupal 6.x</a></div><div class="field-item even"><a href="/en/free_tags/nodereference">Node reference</a></div></div></div><div class="field field-name-field-add-this field-type-addthis field-label-hidden"><div class="field-items"><div class="field-item even"><a class="addthis_button " addthis:title="Node &amp;quot;back&amp;quot; referenc-ing 反向節點連結 - JOE Tsui&#039;s Drupal life in Hong Kong (香港)" addthis:url="http://joetsuihk.com/en/node_quotbackquot_referencing_%E5%8F%8D%E5%90%91%E7%AF%80%E9%BB%9E%E9%80%A3%E7%B5%90"><img src="http://s7.addthis.com/static/btn/sm-share-en.gif" alt="Share page with AddThis" /> </a> </div></div></div> Mon, 19 Jul 2010 12:00:24 +0000 JOE 175 at http://joetsuihk.com