wordpress添加文章浏览统计（刷新不重复）

wordpress本身不带文章浏览统计，可以用插件wp-postview，但是刷新还是算一个浏览次数。

1.首先在主题下functions.php里增加以下代码，这段代码也是网上可以找到的

 //add by charleswu
 function getPostViews($postID) {
     $count_key = 'post_views_count';
     $count = get_post_meta($postID, $count_key, true);
     if ($count == '') {
         delete_post_meta($postID, $count_key);
         add_post_meta($postID, $count_key, '0');
         return "0";
     }
     return $count;
 }
 function setPostViews($postID) {
     $count_key = 'post_views_count';
     $count = get_post_meta($postID, $count_key, true);
     if ($count == '') {
         $count = 0;
         delete_post_meta($postID, $count_key);
         add_post_meta($postID, $count_key, '0');
     } else {
         $count++;
         update_post_meta($postID, $count_key, $count);
     }
 }

2.解决刷新统计数增加，一定要放在文章页面的最前面，貌似php设置cookie之前不能有输出，蛋疼。我的是single.php页面

 <?php
     $post_id=get_the_ID();
     if(isset($_COOKIE['views'.$post_id.COOKIEHASH]) && $_COOKIE['views'.$post_id.COOKIEHASH] == '1')
     {

     }
     else{
         setPostViews($post_id);
         setcookie('views'.$post_id.COOKIEHASH,'1',time() + 3600,COOKIEPATH,COOKIE_DOMAIN);//设置时间间隔
     }
 ?>