Yii小部件Breadcrumbs

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echo Breadcrumbs::widget([
    'itemTemplate' => "<li><i>{link}</i></li>", // template for all links
    'links' => [
        [
            'label' => 'Post Category',
            'url' => ['post-category/view', 'id' => 10],
            'template' => "<li><b>{link}</b></li>", // template for this link only
        ],
        ['label' => 'Sample Post', 'url' => ['post/edit', 'id' => 1]],
        'Edit',
    ],
]);

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echo Breadcrumbs::widget([
    'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : [],
]);

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echo Breadcrumbs::widget([
	'itemTemplate' => "<li><i>{link}</i></li>", // template for all links
	'links' => $link,
]);

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if (!empty($title)) {
    $title = $title;
    $title_arr = explode('/', $title);
    foreach ($title_arr as $k => $item) {
        if (!empty($item)) {
            $link[] = ['label' => $item, 'url' => ['/tree/edit/', 'id' => $item, 'type' => 1,]];
        }
    }
    $title_s = '';
    foreach ($link as $k => $item) {
        if ($k !== 0) {
            if ($k === 1) {
                $title_s = $link[$k - 1]['label'];
            } else {
                $title_s = $title_s . '/' . $link[$k - 1]['label'];
            }
            $link[$k] = ['label' => $item['label'], 'url' => ['/tree/edit/', 'id' => $item['label'], 'type' => 1, 'title' => $title_s]];
        } else {
            $title_s = $item['label'];
        }
    }
    $title = $title . '/' . $node_id['nodeId'];
} else {
    $title = $node_id['nodeId'];
}
$link[] = $node_id['nodeId'];