查询多个帖子类型和类别

我有一个div，里面我希望随机显示一个来自a类的帖子或一个来自b类的产品。我正在寻找一个查询来做到这一点。

我试过这个：

 <?php
        $args = array( 
        \'post_type\' => array(\'product\', \'post\'), 
        \'posts_per_page\' => 1, 
        \'cat\' => 1,2, 
        \'orderby\' => \'RAND\' 
        );

        $loop = new WP_Query( $args );       

        while ( $loop->have_posts() ) : $loop->the_post(); global $product; ?>

            <article class="promo">  

                    <div class="image">
                    <?php if (is_singular(\'product\')){
                        echo \'Product\';

                    }else{
                        echo \'Post\';
                    }?>
                    </div>  


                </article>
<?php endwhile; ?>

有人知道怎么做？谢谢：）

EDIT CODE

    <?php
$args = [
    \'post_type\' => [\'product\',\'post\'],
    \'posts_per_page\' => -1,
    \'fields\' => \'ids\',
     \'post_type\' => [\'product\',\'post\'],
\'posts_per_page\' => 2,
\'fields\' => \'ids\',
\'tax_query\' => [

    \'relation\' => \'OR\',
    \'taxonomy\' => \'category\',
    \'field\' => \'slug\',
    \'terms\' => [\'promo-distributeur\', \'actu-distrib\'],
    \'include_children\' => false,

]
    ]
];
$posts_ids = get_posts($args); 
$total = count($posts_ids);


if ($total > 0) { 
    $rnd = mt_rand(0, $total);
    $pid = $posts_ids[$rnd];
    $post = get_post( $pid);



while ( $post->have_posts() ) : $post>the_post(); global $product; ?>

            <article class="promo">  

                    <div class="image">
                    <?php if (is_singular(\'product\')){
                        echo \'Product\';

                    }else{
                        echo \'Post\';
                    }?>
                    </div>  


                </article>
<?php endwhile;
} ?>

$args = [ \'post_type\' => [\'product\',\'post\'], \'posts_per_page\' => -1, \'fields\' => \'ids\', \'tax_query\' => [ \'relation\' => \'OR\', [ \'taxonomy\' => \'taxonomy_01\', \'field\' => \'slug\', \'terms\' => \'category-a\', \'include_children\' => false, ], [ \'taxonomy\' => \'taxonomy_02\', \'field\' => \'slug\', \'terms\' => \'category-b\', // OR by id //\'field\' => \'term_id\', // default value //\'terms\' => 2, \'include_children\' => false, ], ] ]; $posts_ids = get_posts($args); $total = count($posts_ids); if ($total > 0) { $rnd = mt_rand(0, $total - 1); $pid = $posts_ids[$rnd]; $my_post = get_post( $pid); // display post }

\'tax_query\' => [ [ \'taxonomy\' => \'taxonomy_01\', \'field\' => \'slug\', \'terms\' => [\'category-a\', \'category-b\'], \'include_children\' => false, ], ]

$args = [ \'post_type\' => [\'product\',\'post\'], \'posts_per_page\' => -1, \'fields\' => \'ids\', \'tax_query\' => [ \'relation\' => \'OR\', [ \'taxonomy\' => \'taxonomy_01\', \'field\' => \'slug\', \'terms\' => \'category-a\', \'include_children\' => false, ], [ \'taxonomy\' => \'taxonomy_02\', \'field\' => \'slug\', \'terms\' => \'category-b\', // OR by id //\'field\' => \'term_id\', // default value //\'terms\' => 2, \'include_children\' => false, ], ] ]; $posts_ids = get_posts($args); $total = count($posts_ids); if ($total > 0) { // get random post_ID $rnd = mt_rand(0, $total - 1); $pid = $posts_ids[$rnd]; $my_post = get_post( $pid); // display post if ( !empty($my_post) ) : ?> <article class="promo"> <div class="image"> <?php if ( $my_post->post_type == \'product\' ) echo \'Product\'; else echo \'Post\'; ?> </div> </article> <?php endif; }

使用jQuery显示/隐藏DIV-不能在一个页面中工作

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