function display($params)
{
$Log_Model = new Log_Model();
$options_cache = Option::getAll();
extract($options_cache);
$page = isset($params[4]) && $params[4] == 'page' ? abs(intval($params[5])) : 1;
$tag = isset($params[1]) && $params[1] == 'tag' ? addslashes(urldecode(trim($params[2]))) : '';
$pageurl = '';
//page meta
$site_title = stripslashes($tag) . ' - ' . $site_title;
$Tag_Model = new Tag_Model();
$blogIdStr = $Tag_Model->getTagByName($tag);
if ($blogIdStr === false) {
show_404_page();
}
$sqlSegment = "and gid IN ({$blogIdStr}) order by date desc";
$lognum = $Log_Model->getLogNum('n', $sqlSegment);
$total_pages = ceil($lognum / $index_lognum);
if ($page > $total_pages) {
$page = $total_pages;
}
$pageurl .= Url::tag(urlencode($tag), 'page');
$logs = $Log_Model->getLogsForHome($sqlSegment, $page, $index_lognum);
$page_url = pagination($lognum, $index_lognum, $page, $pageurl);
include View::getView('header');
include View::getView('log_list');
}
/**
* 相关日志插件的功能集合到J3中；related_log插件没有用了 模板中也不再埋入相关日志加载点
* @param array $logData 文章显示时的文章数据
* @return array
*/
function getRelatedLog($logData)
{
global $CACHE;
$logid = $logData['logid'];
$sortid = $logData['sortid'];
$sortType = _g('related_log_sort_type');
$sortBy = _g('related_log_sort_by');
$countNum = _g('related_log_count');
#DbModel
$DbModel = Database::getInstance();
$sql = "SELECT gid,title,date FROM " . DB_PREFIX . "blog WHERE hide='n' AND type='blog'";
#排序类别的sql拼装
if ($sortType == 'tags') {
$log_cache_tags = $CACHE->readCache('logtags');
// dump($log_cache_tags[$logid]);
$TagModel = new Tag_Model();
$log_id_str = '0';
foreach ($log_cache_tags[$logid] as $key => $val) {
$log_id_str .= ',' . $TagModel->getTagByName($val['tagname']);
}
$log_id_str = implode(',', array_unique(explode(',', ltrim($log_id_str, '0,'))));
$sql .= " AND gid!={$logid} AND gid IN ({$log_id_str})";
} else {
$sql .= " AND gid!={$logid} AND sortid={$sortid}";
}
#排序规则
switch ($sortBy) {
case 'viewDesc':
$sql .= " ORDER BY views DESC";
break;
case 'viewASC':
$sql .= " ORDER BY views ASC";
break;
case 'comnuDesc':
$sql .= " ORDER BY comnum DESC";
break;
case 'comnuASC':
$sql .= " ORDER BY comnum ASC";
break;
default:
#按索引键随机降序或升序多读出几行 随后使用php随机处理，不再在mysql中使用rand函数
if (mt_rand(1, 10) >= 5) {
$sql .= " ORDER BY gid DESC";
} else {
$sql .= " ORDER BY gid ASC";
}
break;
}
#结果条数限制
if ($sortBy == 'random') {
$sliceLen = $countNum;
$countNum = $countNum * 2;
#随机的情况多一倍的数据出来
}
$sql .= " LIMIT 0,{$countNum}";
$relatedLogs = array();
$res = $DbModel->query($sql);
while ($row = $DbModel->fetch_array($res)) {
$row['gid'] = intval($row['gid']);
$row['title'] = htmlspecialchars($row['title']);
$row['time'] = date('Y-m-d', $row['date']);
$relatedLogs[] = $row;
}
if (!$relatedLogs) {
return '';
#没有相关日志数据
}
#随机处理
if ($sortBy == 'random') {
shuffle($relatedLogs);
#打乱数组，引用传值函数
$relatedLogs = array_slice($relatedLogs, 0, $sliceLen);
}
// dump($relatedLogs);
$relatedString = '<div class="article_related"><h3>相关推荐</h3><ul>';
foreach ($relatedLogs as $key => $val) {
$relatedString .= '<li><a href="' . Url::log($val['gid']) . '">' . $val['title'] . '</a><time>' . $val['time'] . '</time></li>';
}
return $relatedString . '</ul></div>';
}