WordPress 添加自定义文章类型的存档页面到菜单

如果你的网站使用了自定义文章类型，你可能需要将它的存档页面添加到导航菜单，虽然你可以使用“链接”来添加：

但是这样添加的链接有一个弊端：访问这个自定义文章类型下的页面时，没办法高亮这个菜单项。

其实，最好的效果就是在菜单备选中罗列已有的自定义文章类型，然后可以选择添加至菜单：

要实现这个功能，将下面的代码添加到主题的 functions.php ：

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<span style="color: #009933; font-style: italic;">/** * WordPress 添加自定义文章类型的存档页面到菜单 * https://www.wpdaxue.com/add-custom-post-types-archive-to-nav-menus.html */</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">!</span><span style="color: #990000;">class_exists</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'CustomPostTypeArchiveInNavMenu'</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000000; font-weight: bold;">class</span> CustomPostTypeArchiveInNavMenu <span style="color: #009900;">&#123;</span> <span style="color: #000000; font-weight: bold;">function</span> CustomPostTypeArchiveInNavMenu<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> add_action<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'admin_head-nav-menus.php'</span><span style="color: #339933;">,</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$this</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'cpt_navmenu_metabox'</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> add_filter<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'wp_get_nav_menu_items'</span><span style="color: #339933;">,</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$this</span><span style="color: #339933;">,</span><span style="color: #0000ff;">'cpt_archive_menu_filter'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">10</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">3</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000000; font-weight: bold;">function</span> cpt_navmenu_metabox<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> add_meta_box<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'add-cpt'</span><span style="color: #339933;">,</span> __<span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'自定义文章类型存档'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$this</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'cpt_navmenu_metabox_content'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'nav-menus'</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'side'</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'default'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000000; font-weight: bold;">function</span> cpt_navmenu_metabox_content<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000088;">$post_types</span> <span style="color: #339933;">=</span> get_post_types<span style="color: #009900;">&#40;</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'show_in_nav_menus'</span> <span style="color: #339933;">=&gt;</span> <span style="color: #009900; font-weight: bold;">true</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'has_archive'</span> <span style="color: #339933;">=&gt;</span> <span style="color: #009900; font-weight: bold;">true</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'object'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> <span style="color: #000088;">$post_types</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">foreach</span> <span style="color: #009900;">&#40;</span> <span style="color: #000088;">$post_types</span> <span style="color: #b1b100;">as</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$post_type</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">classes</span> <span style="color: #339933;">=</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">type</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">name</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">object_id</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">name</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">title</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">labels</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">name</span> <span style="color: #339933;">.</span> __<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'存档'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">object</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">'cpt-archive'</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000088;">$walker</span> <span style="color: #339933;">=</span> <span style="color: #000000; font-weight: bold;">new</span> Walker_Nav_Menu_Checklist<span style="color: #009900;">&#40;</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;div id=&quot;cpt-archive&quot; class=&quot;posttypediv&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;div id=&quot;tabs-panel-cpt-archive&quot; class=&quot;tabs-panel tabs-panel-active&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;ul id=&quot;ctp-archive-checklist&quot; class=&quot;categorychecklist form-no-clear&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> walk_nav_menu_tree<span style="color: #009900;">&#40;</span> <span style="color: #990000;">array_map</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'wp_setup_nav_menu_item'</span><span style="color: #339933;">,</span> <span style="color: #000088;">$post_types</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">0</span><span style="color: #339933;">,</span> <span style="color: #009900;">&#40;</span>object<span style="color: #009900;">&#41;</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'walker'</span> <span style="color: #339933;">=&gt;</span> <span style="color: #000088;">$walker</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/ul&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/div&gt;&lt;!-- /.tabs-panel --&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/div&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;p class=&quot;button-controls&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;span class=&quot;add-to-menu&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;input type=&quot;submit&quot;'</span> <span style="color: #339933;">.</span> disabled<span style="color: #009900;">&#40;</span> <span style="color: #000088;">$nav_menu_selected_id</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">0</span> <span style="color: #009900;">&#41;</span> <span style="color: #339933;">.</span> <span style="color: #0000ff;">' class=&quot;button-secondary submit-add-to-menu right&quot; value=&quot;'</span><span style="color: #339933;">.</span> __<span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'添加至菜单'</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">.</span> <span style="color: #0000ff;">'&quot; name=&quot;add-ctp-archive-menu-item&quot; id=&quot;submit-cpt-archive&quot; /&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;span class=&quot;spinner&quot;&gt;&lt;/span&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/span&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/p&gt;'</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">else</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'没有自定义文章类型'</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000000; font-weight: bold;">function</span> cpt_archive_menu_filter<span style="color: #009900;">&#40;</span> <span style="color: #000088;">$items</span><span style="color: #339933;">,</span> <span style="color: #000088;">$menu</span><span style="color: #339933;">,</span> <span style="color: #000088;">$args</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">foreach</span><span style="color: #009900;">&#40;</span> <span style="color: #000088;">$items</span> <span style="color: #b1b100;">as</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$item</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">object</span> <span style="color: #339933;">!=</span> <span style="color: #0000ff;">'cpt-archive'</span> <span style="color: #009900;">&#41;</span> <span style="color: #b1b100;">continue</span><span style="color: #339933;">;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">url</span> <span style="color: #339933;">=</span> get_post_type_archive_link<span style="color: #009900;">&#40;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">type</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> get_query_var<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'post_type'</span> <span style="color: #009900;">&#41;</span> <span style="color: #339933;">==</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">type</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">classes</span><span style="color: #009900;">&#91;</span><span style="color: #009900;">&#93;</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">'current-menu-item'</span><span style="color: #339933;">;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">current</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">true</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">return</span> <span style="color: #000088;">$items</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000088;">$CustomPostTypeArchiveInNavMenu</span> <span style="color: #339933;">=</span> <span style="color: #000000; font-weight: bold;">new</span> CustomPostTypeArchiveInNavMenu<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 <span style="color: #009933; font-style: italic;">/** * WordPress 添加自定义文章类型的存档页面到菜单 * https://www.wpdaxue.com/add-custom-post-types-archive-to-nav-menus.html */</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">!</span><span style="color: #990000;">class_exists</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'CustomPostTypeArchiveInNavMenu'</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000000; font-weight: bold;">class</span> CustomPostTypeArchiveInNavMenu <span style="color: #009900;">&#123;</span> <span style="color: #000000; font-weight: bold;">function</span> CustomPostTypeArchiveInNavMenu<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> add_action<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'admin_head-nav-menus.php'</span><span style="color: #339933;">,</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$this</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'cpt_navmenu_metabox'</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> add_filter<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'wp_get_nav_menu_items'</span><span style="color: #339933;">,</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$this</span><span style="color: #339933;">,</span><span style="color: #0000ff;">'cpt_archive_menu_filter'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">10</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">3</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000000; font-weight: bold;">function</span> cpt_navmenu_metabox<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> add_meta_box<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'add-cpt'</span><span style="color: #339933;">,</span> __<span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'自定义文章类型存档'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$this</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'cpt_navmenu_metabox_content'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'nav-menus'</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'side'</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'default'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000000; font-weight: bold;">function</span> cpt_navmenu_metabox_content<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000088;">$post_types</span> <span style="color: #339933;">=</span> get_post_types<span style="color: #009900;">&#40;</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'show_in_nav_menus'</span> <span style="color: #339933;">=&gt;</span> <span style="color: #009900; font-weight: bold;">true</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'has_archive'</span> <span style="color: #339933;">=&gt;</span> <span style="color: #009900; font-weight: bold;">true</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'object'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> <span style="color: #000088;">$post_types</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">foreach</span> <span style="color: #009900;">&#40;</span> <span style="color: #000088;">$post_types</span> <span style="color: #b1b100;">as</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$post_type</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">classes</span> <span style="color: #339933;">=</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">type</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">name</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">object_id</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">name</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">title</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">labels</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">name</span> <span style="color: #339933;">.</span> __<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'存档'</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #000088;">$post_type</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">object</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">'cpt-archive'</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000088;">$walker</span> <span style="color: #339933;">=</span> <span style="color: #000000; font-weight: bold;">new</span> Walker_Nav_Menu_Checklist<span style="color: #009900;">&#40;</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;div id=&quot;cpt-archive&quot; class=&quot;posttypediv&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;div id=&quot;tabs-panel-cpt-archive&quot; class=&quot;tabs-panel tabs-panel-active&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;ul id=&quot;ctp-archive-checklist&quot; class=&quot;categorychecklist form-no-clear&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> walk_nav_menu_tree<span style="color: #009900;">&#40;</span> <span style="color: #990000;">array_map</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'wp_setup_nav_menu_item'</span><span style="color: #339933;">,</span> <span style="color: #000088;">$post_types</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">0</span><span style="color: #339933;">,</span> <span style="color: #009900;">&#40;</span>object<span style="color: #009900;">&#41;</span> <span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'walker'</span> <span style="color: #339933;">=&gt;</span> <span style="color: #000088;">$walker</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/ul&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/div&gt;&lt;!-- /.tabs-panel --&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/div&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;p class=&quot;button-controls&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;span class=&quot;add-to-menu&quot;&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;input type=&quot;submit&quot;'</span> <span style="color: #339933;">.</span> disabled<span style="color: #009900;">&#40;</span> <span style="color: #000088;">$nav_menu_selected_id</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">0</span> <span style="color: #009900;">&#41;</span> <span style="color: #339933;">.</span> <span style="color: #0000ff;">' class=&quot;button-secondary submit-add-to-menu right&quot; value=&quot;'</span><span style="color: #339933;">.</span> __<span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'添加至菜单'</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">.</span> <span style="color: #0000ff;">'&quot; name=&quot;add-ctp-archive-menu-item&quot; id=&quot;submit-cpt-archive&quot; /&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;span class=&quot;spinner&quot;&gt;&lt;/span&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/span&gt;'</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'&lt;/p&gt;'</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">else</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">echo</span> <span style="color: #0000ff;">'没有自定义文章类型'</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000000; font-weight: bold;">function</span> cpt_archive_menu_filter<span style="color: #009900;">&#40;</span> <span style="color: #000088;">$items</span><span style="color: #339933;">,</span> <span style="color: #000088;">$menu</span><span style="color: #339933;">,</span> <span style="color: #000088;">$args</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">foreach</span><span style="color: #009900;">&#40;</span> <span style="color: #000088;">$items</span> <span style="color: #b1b100;">as</span> <span style="color: #339933;">&amp;</span><span style="color: #000088;">$item</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">object</span> <span style="color: #339933;">!=</span> <span style="color: #0000ff;">'cpt-archive'</span> <span style="color: #009900;">&#41;</span> <span style="color: #b1b100;">continue</span><span style="color: #339933;">;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">url</span> <span style="color: #339933;">=</span> get_post_type_archive_link<span style="color: #009900;">&#40;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">type</span> <span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span> get_query_var<span style="color: #009900;">&#40;</span> <span style="color: #0000ff;">'post_type'</span> <span style="color: #009900;">&#41;</span> <span style="color: #339933;">==</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">type</span> <span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">classes</span><span style="color: #009900;">&#91;</span><span style="color: #009900;">&#93;</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">'current-menu-item'</span><span style="color: #339933;">;</span> <span style="color: #000088;">$item</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">current</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">true</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">return</span> <span style="color: #000088;">$items</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span> <span style="color: #009900;">&#125;</span> <span style="color: #000088;">$CustomPostTypeArchiveInNavMenu</span> <span style="color: #339933;">=</span> <span style="color: #000000; font-weight: bold;">new</span> CustomPostTypeArchiveInNavMenu<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span> <span style="color: #009900;">&#125;</span>

/**
* WordPress 添加自定义文章类型的存档页面到菜单
* https://www.wpdaxue.com/add-custom-post-types-archive-to-nav-menus.html
*/
if( !class_exists(‘CustomPostTypeArchiveInNavMenu’) ) {
class CustomPostTypeArchiveInNavMenu {
function CustomPostTypeArchiveInNavMenu() {
add_action( ‘admin_head-nav-menus.php’, array( &$this, ‘cpt_navmenu_metabox’ ) );
add_filter( ‘wp_get_nav_menu_items’, array( &$this,’cpt_archive_menu_filter’), 10, 3 );
}
function cpt_navmenu_metabox() {
add_meta_box( ‘add-cpt’, __(‘自定义文章类型存档’), array( &$this, ‘cpt_navmenu_metabox_content’ ), ‘nav-menus’, ‘side’, ‘default’ );
}
function cpt_navmenu_metabox_content() {
$post_types = get_post_types( array( ‘show_in_nav_menus’ => true, ‘has_archive’ => true ), ‘object’ );
if( $post_types ) {
foreach ( $post_types as &$post_type ) {
$post_type->classes = array();
$post_type->type = $post_type->name;
$post_type->object_id = $post_type->name;
$post_type->title = $post_type->labels->name . __( ‘存档’ );
$post_type->object = ‘cpt-archive’;
}
$walker = new Walker_Nav_Menu_Checklist( array() );
echo ‘<div id="cpt-archive" class="posttypediv">’;
echo ‘<div id="tabs-panel-cpt-archive" class="tabs-panel tabs-panel-active">’;
echo ‘<ul id="ctp-archive-checklist" class="categorychecklist form-no-clear">’;
echo walk_nav_menu_tree( array_map(‘wp_setup_nav_menu_item’, $post_types), 0, (object) array( ‘walker’ => $walker) );
echo ‘</ul>’;
echo ‘</div><!– /.tabs-panel –>’;
echo ‘</div>’;
echo ‘<p class="button-controls">’;
echo ‘<span class="add-to-menu">’;
echo ‘<input type="submit"’ . disabled( $nav_menu_selected_id, 0 ) . ‘ class="button-secondary submit-add-to-menu right" value="’. __(‘添加至菜单’) . ‘" name="add-ctp-archive-menu-item" id="submit-cpt-archive" />’;
echo ‘<span class="spinner"></span>’;
echo ‘</span>’;
echo ‘</p>’;
} else {
echo ‘没有自定义文章类型’;
}
}
function cpt_archive_menu_filter( $items, $menu, $args ) {
foreach( $items as &$item ) {
if( $item->object != ‘cpt-archive’ ) continue;
$item->url = get_post_type_archive_link( $item->type );
if( get_query_var( ‘post_type’ ) == $item->type ) {
$item->classes[] = ‘current-menu-item’;
$item->current = true;
}
}
return $items;
}
}
$CustomPostTypeArchiveInNavMenu = new CustomPostTypeArchiveInNavMenu();
}

通过这个方法添加的自定义文章类型的存档页面，只要是属于这个文章类型的页面，都会自动在菜单中添加一个 current-menu-item：

1 1 1

<span style="color: #009900;">&lt;<span style="color: #000000; font-weight: bold;">li</span> <span style="color: #000066;">class</span><span style="color: #66cc66;">=</span><span style="color: #ff0000;">&quot;current-menu-item&quot;</span>&gt;&lt;<span style="color: #000000; font-weight: bold;">a</span> <span style="color: #000066;">href</span><span style="color: #66cc66;">=</span><span style="color: #ff0000;">&quot;https://www.wpdaxue.com/questions&quot;</span>&gt;</span>问题存档<span style="color: #009900;">&lt;<span style="color: #66cc66;">/</span><span style="color: #000000; font-weight: bold;">a</span>&gt;&lt;<span style="color: #66cc66;">/</span><span style="color: #000000; font-weight: bold;">li</span>&gt;</span> 1 <span style="color: #009900;">&lt;<span style="color: #000000; font-weight: bold;">li</span> <span style="color: #000066;">class</span><span style="color: #66cc66;">=</span><span style="color: #ff0000;">&quot;current-menu-item&quot;</span>&gt;&lt;<span style="color: #000000; font-weight: bold;">a</span> <span style="color: #000066;">href</span><span style="color: #66cc66;">=</span><span style="color: #ff0000;">&quot;https://www.wpdaxue.com/questions&quot;</span>&gt;</span>问题存档<span style="color: #009900;">&lt;<span style="color: #66cc66;">/</span><span style="color: #000000; font-weight: bold;">a</span>&gt;&lt;<span style="color: #66cc66;">/</span><span style="color: #000000; font-weight: bold;">li</span>&gt;</span>

<li class="current-menu-item"><a href="https://www.wpdaxue.com/questions">问题存档</a></li>

配合 CSS 即可实现当前菜单项的高亮效果：

如果你在主题或插件开发中使用了自定义文章类型，建议将该功能集成到你的主题和插件中，方便用户使用。

以上代码来自 Custom Post Type’s Archive in WP Nav Menu 插件，如果你不想折腾代码，安装该插件即可。

赏 如果本文对你有帮助，请打赏作者，鼓励我们继续写作！