functions.php

<?php
if (!defined('__TYPECHO_ROOT_DIR__')) exit;

// 统计阅读数
function get_post_view($archive){
	$cid    = $archive->cid;
	$db     = Typecho_Db::get();
	$prefix = $db->getPrefix();
	if (!array_key_exists('views', $db->fetchRow($db->select()->from('table.contents')))) {
		$db->query('ALTER TABLE `' . $prefix . 'contents` ADD `views` INT(10) DEFAULT 0;');
		echo 0;
		return;
	}
	$row = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $cid));
	if ($archive->is('single')) {
        $views = Typecho_Cookie::get('extend_contents_views');
		if(empty($views)){
			$views = array();
		}else{
			$views = explode(',', $views);
		}
        if(!in_array($cid,$views)){
	        $db->query($db->update('table.contents')->rows(array('views' => (int) $row['views'] + 1))->where('cid = ?', $cid));
            array_push($views, $cid);
			$views = implode(',', $views);
			Typecho_Cookie::set('extend_contents_views', $views); //记录查看cookie
		}
	}
	echo $row['views'];
}

// 获取附件图片
function thumb($obj) {
	$attach = $obj->attachments(1)->attachment;
	if(isset($attach->isImage) && $attach->isImage == 1){
		$thumb = $attach->url;
	}else{
		$thumb = '/usr/themes/echo/img/00.png';
	}
	return $thumb;
}

// 留言加@
function getPermalinkFromCoid($coid) {
	$db = Typecho_Db::get();
	$row = $db->fetchRow($db->select('author')->from('table.comments')->where('coid = ? AND status = ?', $coid, 'approved'));
	if (empty($row)) return '';
	return '<a href="#comment-'.$coid.'">@'.$row['author'].'</a>';
}