### Function: Get TimeSpan Most Viewed - Added by Paolo Tagliaferri (http://www.vortexmind.net - webmaster@vortexmind.net)
function get_timespan_most_viewed($mode = '', $limit = 10, $days = 30, $display = true) {//$limit=10，这个10可以修改为希望显示的文章数量的上限。$days=30，这个30也可以修改为希望选取文章发布日期距今天数，写30，就是一个月内的。
	global $wpdb, $post;
	$limit_date = current_time('timestamp') - ($days*86400);
	$limit_date = date("Y-m-d H:i:s",$limit_date);
	$where = '';
	$temp = '';
	if(!empty($mode) && $mode != 'both') {
		$where = "post_type = '$mode'";
	} else {
		$where = '1=1';
	}
	$most_viewed = $wpdb->get_results("SELECT DISTINCT $wpdb->posts.*, (meta_value+0) AS views FROM $wpdb->posts LEFT JOIN $wpdb->postmeta ON $wpdb->postmeta.post_id = $wpdb->posts.ID WHERE post_date < '".current_time('mysql')."' AND post_date > '".$limit_date."' AND $where AND post_status = 'publish' AND meta_key = 'views' AND post_password = '' ORDER  BY views DESC LIMIT $limit");
	if($most_viewed) {
		foreach ($most_viewed as $post) {
			$post_title = get_the_title();
			$post_views = intval($post->views);
			$post_views = number_format($post_views);
			$temp .= "
 
	<li><a href="\">$post_title</a> - $post_views ".__('views', 'wp-postviews')."</li>
 
 
";//显示的样式可以在这里根据需要调整。
		}
	} else {
		$temp = '
 
	<li>'.__('N/A', 'wp-postviews').'</li>
 
 
'."\n";
	}
	if($display) {
		echo $temp;
	} else {
		return $temp;
	}
}

 
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