wordpress批量创建文章分类

2025 年 10 月 14 日

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```php
<?php
/**
 * Demo: Create Hierarchical Taxonomy Terms for Custom Post Type
 * This script registers a custom post type and taxonomy, then auto-creates categories.
 */

function demo_register_product_post_type() {
    register_post_type('product', [
        'label'        => 'Products',
        'public'       => true,
        'has_archive'  => true,
        'supports'     => ['title', 'editor', 'thumbnail'],
        'show_in_rest' => true,
    ]);

register_taxonomy('product_cat', 'product', [
        'label'        => 'Product Categories',
        'hierarchical' => true,
        'rewrite'      => ['slug' => 'product-category'],
        'show_in_rest' => true,
    ]);
}
add_action('init', 'demo_register_product_post_type');

function demo_create_product_categories() {
    $categories = [
        'Digital Products' => [
            'slug' => 'digital-products',
            'desc' => 'All kinds of digital goods.',
            'children' => [
                ['name' => 'E-books', 'slug' => 'ebooks', 'desc' => 'Downloadable e-books and guides.'],
                ['name' => 'Software', 'slug' => 'software', 'desc' => 'Apps, tools, and licenses.'],
                ['name' => 'Courses', 'slug' => 'courses', 'desc' => 'Online courses and workshops.'],
            ],
        ],
        'Physical Goods' => [
            'slug' => 'physical-goods',
            'desc' => 'Physical products and merchandise.',
            'children' => [
                ['name' => 'Clothing', 'slug' => 'clothing', 'desc' => 'T-shirts, hoodies, and more.'],
                ['name' => 'Accessories', 'slug' => 'accessories', 'desc' => 'Bags, keychains, etc.'],
            ],
        ],
        'Services' => [
            'slug' => 'services',
            'desc' => 'Custom services and consulting.',
            'children' => [
                ['name' => 'Design', 'slug' => 'design', 'desc' => 'UI/UX and graphic design services.'],
                ['name' => 'Development', 'slug' => 'development', 'desc' => 'Web and app development services.'],
                ['name' => 'Marketing', 'slug' => 'marketing', 'desc' => 'SEO and content strategy.'],
            ],
        ],
    ];

foreach ($categories as $parent_name => $data) {
        $parent_term = term_exists($data['slug'], 'product_cat');
        if (!$parent_term) {
            $parent_term = wp_insert_term(
                $parent_name,
                'product_cat',
                [
                    'slug'        => $data['slug'],
                    'description' => $data['desc'],
                ]
            );
        }

if (!empty($data['children']) && !is_wp_error($parent_term)) {
            $parent_id = $parent_term['term_id'] ?? $parent_term;
            foreach ($data['children'] as $child) {
                if (!term_exists($child['slug'], 'product_cat')) {
                    wp_insert_term(
                        $child['name'],
                        'product_cat',
                        [
                            'slug'        => $child['slug'],
                            'description' => $child['desc'],
                            'parent'      => $parent_id,
                        ]
                    );
                }
            }
        }
    }
}
add_action('after_switch_theme', 'demo_create_product_categories');
```

```
#### 🧭 分类结构示例

* Digital Products
  ├─ E-books
  ├─ Software
  └─ Courses
* Physical Goods
  ├─ Clothing
  └─ Accessories
* Services
  ├─ Design
  ├─ Development
  └─ Marketing
```

复制这个php代码到模板的`functions.php`尾部然后重新激活(切换)一下模板触发即可

最后修改：2025 年 10 月 14 日