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public function category() {

//»ñÈ¡·ÖÀàÊý¾Ý

$categories = $this->getCategories();

$this->assign(‘categories’, $categories);

return $this->fetch();

}

(3) ÔÚModelÖÐÌí¼Ó»ñÈ¡·ÖÀàÒªÁì

public function getCategories($pid=0) {

$result = $this->where(‘pid’, $pid)->select();

$categories = array();

foreach ($result as $category) {

$category['sub'] = $this->getCategories($category->id);

$categories[] = $category;

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}

return $categories;

}

(4) ÔÚViewÖÐչʾ·ÖÀàÊý¾Ý

{volist name=”categories” id=”category”}

{$category.name}

{if $category.sub}

<ul>

  {volist name="category.sub" id="sub"}

  <li>{$sub.name}</li>

  {/volist}

</ul>

{/if}

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{/volist}

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