WordPress主题WP_Query基本用法介绍

<?php if( have_posts() ) : while( have_posts() ) : the_post(); ?>
<!-- 在这里调用数据 -->
<?php endwhile; ?>
<?php endif; ?>

<?php
// 1.用于查询的参数或者参数
$args = array(
'post_type'=>'post'
);
// 2.查询
$myquery=new WP_Query($args);
// 3.判断查询的结果,有内容则循环
if($myquery->have_posts()):while($myquery->have_posts()):$myquery->the_post();
?>
//输出循环结构
<?php
endwhile;
endif;
// 4.重置请求数据
wp_reset_postdata();
?>

$query = new WP_Query( 'p=36' );

$args = array(
'p'=>'36'
);
$query = new WP_Query( $args );

$query = new WP_Query( 'cat=9' );

$query = new WP_Query( 'page_id=7' );

$args = array(
'post__in'=>array(34,32,30)
);

$args = array(
'post__not_in'=>array(3)
);

$args = array(
'post_type'=>'page',
'post__in'=>array(3)
);

$query = new WP_Query( 'post_type=page' );

$query = new WP_Query( 'post_type=post' );