为WordPress自定义类型分类创建字段

//部落新增编辑分类自增字段1.7
function ruike_add_buluo_field($term){
	$buluo_tax_value   = get_term_meta( $term->term_id, 'buluo_tax_ico', true );
    echo '<tr class="form-field">  
	    <th scope="row" valign="top"><label for="cat_Image_url">图标URL</label>
        <td><input name="buluo_tax_ico" id="buluo_tax_ico" type="text" value="'.esc_attr( $buluo_tax_value ).'" size="40"><br />
		<span class="description">在部落社区列表头部显示</span>
		</td>			
        </tr>';                         
}  
add_action('buluo_category_edit_form_fields','ruike_add_buluo_field',10,2); 
add_action('buluo_category_add_form_fields','ruike_add_buluo_field',10,2); 
function ruike_add_buluo_metadate($term_id){ 
    if(!current_user_can('manage_categories')){  
        return $term_id;  
    }   
    $buluo_tax_value = $_POST['buluo_tax_ico']; 
	if ( '' === $buluo_tax_value ) {
        delete_term_meta( $term_id, 'buluo_tax_ico' );
    } else {
        update_term_meta( $term_id, 'buluo_tax_ico', $buluo_tax_value );
    } 
}  
add_action('created_buluo_category','ruike_add_buluo_metadate',10,1);  
add_action('edited_buluo_category','ruike_add_buluo_metadate',10,1);
//部落信息列图标
function ruike_edit_term_columns( $columns ) {
    $columns['buluo_ico'] = '图标';
    return $columns;
}
add_filter( 'manage_edit-buluo_category_columns', 'ruike_edit_term_columns' );
function ruike_manage_term_custom_column( $out, $column, $term_id ) {
    if ( 'buluo_ico' == $column ) {
        $buluo_tax_value   = get_term_meta( $term_id, 'buluo_tax_ico', true );
        if ( ! $buluo_tax_value ) $buluo_tax_value = THEME_URI.'/img/tax-ico.jpg';
        $out = '<img decoding="async" loading="lazy" src="'.$buluo_tax_value.'" width="35" height="35" style="border-radius: 50%;">';
    }
    return $out;
}
add_filter( 'manage_buluo_category_custom_column', 'ruike_manage_term_custom_column', 10, 3 );

上面是保存接受数据提交的动作添加执行代码，这节课没有代码的可能会看着头晕，但如果你了解WordPress也就不算什么难题了！