typecho非插件实现文章阅读次数统计(cookie版)

 1function get_post_view($archive)
 2{
 3    $cid    = $archive->cid;
 4    $db     = Typecho_Db::get();
 5    $prefix = $db->getPrefix();
 6    if (!array_key_exists('views', $db->fetchRow($db->select()->from('table.contents')))) {
 7        $db->query('ALTER TABLE `' . $prefix . 'contents` ADD `views` INT(10) DEFAULT 0;');
 8        echo 0;
 9        return;
10    }
11    $row = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $cid));
12    if ($archive->is('single')) {
13 $views = Typecho_Cookie::get('extend_contents_views');
14        if(empty($views)){
15            $views = array();
16        }else{
17            $views = explode(',', $views);
18        }
19if(!in_array($cid,$views)){
20       $db->query($db->update('table.contents')->rows(array('views' => (int) $row['views'] + 1))->where('cid = ?', $cid));
21array_push($views, $cid);
22            $views = implode(',', $views);
23            Typecho_Cookie::set('extend_contents_views', $views); //记录查看cookie
24        }
25    }
26    echo $row['views'];
27}