Magento Architect's Notes-----Magento displays the category names of the parent and subcategory of the current directory

In the category page of the Magento directory, you want to get the parent and sub-categories in the left navigation , using the following methods:
Open app/your_package/your_themes/template/catalog/navigation/left.phtml

Show category name of the parent category

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$currentCat = mage::registry ( Code class= "PHP string" > ' current_category ' //If it is the root directory, the current directory is displayed if ( $currentCat -> Getparentid () = = Mage::app ()->getstore ()->getrootcategoryid ()) //Show current directory name echo $this - >getcurrentcategory ()->getname (); else { //Display the parent category name of the current directory $this ->getcurrentcategory () Getparentcategory ()->getname (); }

Show classification names for subcategories

The sub-classifications shown are based on the current parent classification

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$currentCat = Mage::registry(‘current_category‘);if ( $currentCat->getParentId() == Mage::app()->getStore()->getRootCategoryId() ){    // 当前分类是顶级分类    $loadCategory = $currentCat;}else{    // 当前分类是顶级分类的的一个子分类，载入当前分类的父分类    $loadCategory = Mage::getModel(‘catalog/category‘)->load($currentCat->getParentId());}$subCategories = explode(‘,‘, $loadCategory->getChildren());foreach ( $subCategories as $subCategoryId ){    $cat = Mage::getModel(‘catalog/category‘)->load($subCategoryId);    if($cat->getIsActive())    {        echo ‘<a href="‘.$cat->getURL().‘">‘.$cat->getName().‘</a>‘;    }}

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Magento Architect's Notes-----Magento displays the category names of the parent and subcategory of the current directory