WordPress 如何分配一个状态/标记来发布？

问题描述

我想标记一些帖子以将它们包含在精选内容滑块中。为此，我想在新的帖子页面上添加一个复选框，以便如果选中此复选框，则该帖子将被标记为精选。然后我可以在滑块中显示所有标记的帖子。怎么办？谢谢。

最佳解决思路

您可以使用复选框创建自己的元框，并选择所选的帖子：

添加 metabox 代码

/* Define the custom box */
add_action( 'add_meta_boxes', 'my_slider_add_custom_box' );

/* Do something with the data entered */
add_action( 'save_post', 'my_slider_save_postdata' );

/* Adds a box to the main column on the Post and Page edit screens */
function my_slider_add_custom_box() {
    add_meta_box(
        'my_slider_sectionid',
        __( 'my slider', 'my_slider_textdomain' ),
        'my_slider_inner_custom_box',
        'post'
    );
}

/* Prints the box content */
function my_slider_inner_custom_box() {
    global $post;
    // Use nonce for verification
    wp_nonce_field( plugin_basename( __FILE__ ), 'my_slider_noncename' );
    $saved = get_post_meta($post->ID,'my_slider_field',true);
    // The actual fields for data entry
    echo '<label for="my_slider_field">';
    _e("Check the box if you want this post to show in the slider", 'myplugin_textdomain' );
    echo '</label> ';
    echo '<input type="checkbox" id="my_slider_field" name="my_slider_field" value="yes"';
    echo  ($saved) ? 'checked': '';
    echo '/>';
}

/* When the post is saved, saves our custom data */
function my_slider_save_postdata( $post_id ) {
      // verify if this is an auto save routine.
      // If it is our form has not been submitted, so we dont want to do anything
      if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
          return;

      // verify this came from the our screen and with proper authorization,
      // because save_post can be triggered at other times

      if ( !wp_verify_nonce( $_POST['my_slider_noncename'], plugin_basename( __FILE__ ) ) )
          return;

      // OK, we're authenticated: we need to find and save the data
        $old = get_post_meta($post_id,'my_slider_field',true);
      if (isset($_POST['my_slider_field']) && $_POST['my_slider_field'] == "yes"){
            update_post_meta($post_id,'my_slider_field',true);
      }else{
        if (!empty($old)){
            delete_post_meta($post_id,'my_slider_field');
        }
      }
}

查询已检查的帖子

$args = array(
    'posts_per_page' => -1
    'meta_query' => array(
        array(
            'key' => 'my_slider_field',
            'value' => true
        )
    );
$slider_query = new WP_Query($args);

参考文献

• how to assign a status/mark to post?

注：本文内容整合自 Google/Baidu/Bing 辅助翻译的英文资料结果。如果您对结果不满意，可以加入我们改善翻译效果：薇晓朵技术论坛。