按分类排序自定义帖子类型

对于所有我用这段代码按ASC方式按特定类别对列表自定义帖子类型进行排序的人：（我有“model”自定义帖子类型，我想按“model year”分类法显示顺序

 function my_pre_get_posts( $query ) {

 // do not modify queries in the admin
 if( is_admin() ) {

return $query;

}

// only modify queries for \'model\' post type
if ( $query->is_tax( \'model-year\' ) && $query->is_main_query() ) {

$query->set(\'orderby\', \'meta_value\');   
$query->set(\'meta_key\', \'\');    
$query->set(\'order\', \'ASC\'); 
}

// return
return $query;

 }

 add_action(\'pre_get_posts\', \'my_pre_get_posts\');

function my_pre_get_posts( $query ) { // do not modify queries in the admin if( is_admin() ) { return $query; } // only modify queries for \'model\' post type if ( $query->is_tax( \'model-year\' ) && $query->is_main_query() ) { $query->set(\'orderby\', \'meta_value\'); // Add Metakey ( "Custome field name" ); $query->set(\'meta_key\', \'order_number\'); $query->set(\'order\', \'ASC\'); } return $query; } add_action(\'pre_get_posts\', \'my_pre_get_posts\');

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