首先在functions.php添加两个函数:

//获取浏览数-参数文章ID
function getPostViews($postID)
{
	//字段名称
	$count_key = 'post_views_count';
	//获取字段值即浏览次数
	$count = get_post_meta($postID, $count_key, true);
	//如果为空设置为0
	if($count=='')
	{
		delete_post_meta($postID, $count_key);
		add_post_meta($postID, $count_key, '0');
		return "浏览: 0 次";
	}
	return '浏览: '.$count.' 次';
}
//设置浏览数-参数文章ID
function setPostViews($postID)
{
	//字段名称
	$count_key = 'post_views_count';
	//先获取获取字段值即浏览次数
	$count = get_post_meta($postID, $count_key, true);
	//如果为空就设为0
	if($count=='')
	{
		$count = 0;
		delete_post_meta($postID, $count_key);
		add_post_meta($postID, $count_key, '0');
	}
	else
	{
		//如果不为空，加1，更新数据
		$count++;
		update_post_meta($postID, $count_key, $count);
	}
}

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