function __construct()
{
$this->dbm = new db_mysql();
$this->table = TB_PREFIX . 'url_rewrite';
$this->host = $_SERVER['HTTP_HOST'];
// 伪静态对象初始化
$a = helper::file_cache($this->host . '_' . CACHE_PREFIX . 'url_config', '', CACHE_TIME, SITE_PATH . CACHE_NAME);
if ($a == 'timeout') {
$a = helper::file_cache($this->host . '_' . CACHE_PREFIX . 'url_config', $this->url_config(), CACHE_TIME, SITE_PATH . CACHE_NAME);
}
$this->url_config = $a;
$this->rewrite = SITE_REWRITEURL;
$this->root_path = SITE_PATH;
}
/**
* 更新分类缓存
*/
public function update_cate()
{
$this->categories = helper::file_cache($this->host . '_' . CACHE_PREFIX . 'categories', $this->categories(), $this->cache_time, SITE_PATH . CACHE_NAME);
//绑定域名的分类重写缓存
foreach ($this->categories as $k => $v) {
if (substr($v['go_url'], 0, 7) == 'http://') {
$this->set_domain($k, $v['go_url']);
}
}
$this->categories = helper::file_cache($this->host . '_' . CACHE_PREFIX . 'categories', $this->categories, $this->cache_time, SITE_PATH . CACHE_NAME);
}
/**
* 把文档内容替换内链
* @param $content 内容
* @param $n 内链个数 默认5个
*/
public function nlink($content, $n = 5)
{
$file_path = SITE_PATH . CACHE_NAME;
$rs = helper::file_cache(CACHE_PREFIX . 'nlink', '', CACHE_TIME, $file_path);
//读取缓存
if ($rs === 'timeout') {
//缓存过期
@unlink($file_path . '/' . CACHE_PREFIX . 'nlink');
$sql = "SELECT * FROM " . TB_PREFIX . "nlink ORDER BY 'nlink_id' DESC LIMIT 0,2000";
$rs = $this->dbm->query($sql);
$rs = helper::file_cache(CACHE_PREFIX . 'nlink', $rs['list'], CACHE_TIME, $file_path);
}
$n = intval($n);
$n = !empty($n) ? $n : 5;
foreach ($rs as $v) {
$content = preg_replace('~' . $v['nlink_txt'] . '~', '<a href="' . $v['nlink_url'] . '" target="_blank">' . $v['nlink_txt'] . '</a>', $content, 1, $count);
$n -= $count;
if ($n == 0) {
break;
}
}
unset($rs);
return $content;
}
/**
* 取精确标签资讯列表
*
* @param $ 为数组格式
* @param $ =>where 更新的条件语句
* @param $ =>order 排序
* @param $ =>pagesize 分页大小
* @param $ =>p 当前页码
* @param $ =>rewrite URL重写方式 0,1,2，默认为2
* @param $ =>count 是否计算总数 0 不计算 1 计算
* @param $ =>resource 是否同时取出资源 0 不取 1 取
* @param $ =>fields 查询的字段
* @param $ =>no_cache 1=强制读取最新数据
* @param $ =>extern 读取扩展表字段0=不读取，1=读取
*/
public function get_list_tag($params)
{
$keyword_id = isset($params['keyword_id']) ? $params['keyword_id'] : '';
$where = isset($params['where']) ? $params['where'] : '';
$pagesize = isset($params['pagesize']) ? $params['pagesize'] : PAGESIZE_F;
$p = isset($params['p']) ? $params['p'] : 1;
$count = $params['count'] = isset($params['count']) ? $params['count'] : 0;
$rewrite = isset($params['rewrite']) ? $params['rewrite'] : 2;
$resource = isset($params['resource']) ? $params['resource'] : 0;
$fields = isset($params['fields']) ? $params['fields'] : '';
$node = isset($_GET['tpl']) ? $_GET['tpl'] : 'tag';
$no_cache = isset($params['no_cache']) ? $params['no_cache'] : 0;
$state = isset($params['state']) ? $params['state'] : 0;
$show_extern = isset($params['extern']) ? $params['extern'] : 0;
$show_tags = isset($params['show_tags']) ? $params['show_tags'] : 0;
$order = 'order by b.info_id desc';
$sql = "select * from " . TB_PREFIX . "keyword where keyword_id='" . $keyword_id . "' limit 1";
$rs = $this->dbm->query($sql);
$keyword = '';
if (count($rs['list']) == 1) {
$keyword = $rs['list'][0]['keyword'];
}
if ($fields == '') {
$fields = '*';
} else {
$fields_arr = explode(',', $fields);
$fields = '';
for ($i = 0; $i < count($fields_arr); $i++) {
$fields .= ',' . trim($fields_arr[$i]);
}
$fields = substr($fields, 1);
}
$total = 0;
//总数
// 拼接SQL语句
$sql = "select * from " . TB_PREFIX . "keyword_relation as a left join " . TB_PREFIX . "info_list as b on a.info_id=b.info_id where a.keyword_id='{$keyword_id}' and b.info_state={$state} ";
if (strlen($where) > 0) {
$sql .= " and {$where} ";
}
//die($sql);
// 拼接排序
$suffix = $order;
// 拼接分页数据
$suffix .= " limit " . ($p - 1) * $pagesize . ",{$pagesize}";
// 缓存开启，获取缓存内容
if ($no_cache == 1) {
$result = $this->dbm->query($sql, $suffix, $count);
} else {
if (defined('CACHE_TIME') && CACHE_TIME != '' && CACHE_TIME != 0) {
// 缓存文件名
$cache_file = md5($sql . $suffix);
$data_path = SITE_PATH . CACHE_NAME . '/list/' . substr($cache_file, 0, 2);
// 读取缓存
$result = helper::file_cache($cache_file, '', CACHE_TIME, $data_path);
if ($result == 'timeout') {
$result = $this->dbm->query($sql, $suffix, $count);
for ($i = 0; $i < count($result['list']); $i++) {
unset($result['list'][$i]['uid']);
unset($result['list'][$i]['uname']);
}
// 写入缓存
$result = helper::file_cache($cache_file, $result, CACHE_TIME, $data_path);
}
} else {
$result = $this->dbm->query($sql, $suffix, $count);
}
}
if ($count == 1) {
$total = $result['total'];
} else {
$result['total'] = $total;
}
$result['keyword'] = $keyword;
if (defined('INFO_IMG') && file_exists(INFO_IMG)) {
$default_img = INFO_IMG;
}
// 重写返回数组
for ($i = 0; $i < count($result['list']); $i++) {
$result['list'][$i]['cate'] = $this->categories[$result['list'][$i]['last_cate_id']];
if ($show_extern == '1') {
// 取扩展表
$extern = $this->get_extern_by_cate_id($result['list'][$i]['cate']['cate_id']);
if ($extern['extern_name'] != '') {
$result['list'][$i]['extern'] = $this->get_extern($extern['extern_name'], $result['list'][$i]['info_id']);
}
// 取扩展字段结束
}
// 取资源列表
if ($resource == 1) {
$result['list'][$i]['resource'] = $this->get_resource($result['list'][$i]['info_id']);
$result['list'][$i]['resource_total'] = count($result['list'][$i]['resource']);
}
// 缩略图
if (isset($result['list'][$i]['info_img'])) {
if ($result['list'][$i]['info_img'] == '') {
$result['list'][$i]['info_img'] = $default_img;
}
$result['list'][$i]['thumb'] = $this->thumb_url($result['list'][$i]['info_img']);
}
// URL
$surl_domain = $this->bind_domain($result['list'][$i]['last_cate_id']);
$result['list'][$i]['surl'] = ($surl_domain == '' ? $this->url_recheck() : $surl_domain) . $this->url->encode('content_info', array('host' => SITE_PATH, 'id' => $result['list'][$i]['info_id']));
if ($result['list'][$i]['info_url'] != '') {
$result['list'][$i]['surl'] = $result['list'][$i]['info_url'];
}
// 资讯标题
// 标题加粗
$result['list'][$i]['info_style_title'] = $result['list'][$i]['info_title'];
if ($result['list'][$i]['fbold'] == 1) {
$result['list'][$i]['info_style_title'] = "<b>" . $result['list'][$i]['info_title'] . "</b>";
}
// 标题加亮
if (!empty($result['list'][$i]['fcolor'])) {
$result['list'][$i]['info_style_title'] = "<font color='" . $result['list'][$i]['fcolor'] . "'>" . $result['list'][$i]['info_style_title'] . "</font>";
}
// 资讯简介
if ($result['list'][$i]['info_desc'] == '') {
$result['list'][$i]['info_desc'] = helper::utf8_substr(preg_replace('~(<style[^>]*>[\\w\\W]*?</style>)|(<[^>]*>)|(\\r)|(\\n)|(\\t)~', '', $result['list'][$i]['info_body']), 0, 220);
}
//精确标签输出
//查询关系表中的关键字ID
if ($show_tags == 1) {
$sql = "select keyword_id from " . TB_PREFIX . "keyword_relation where info_id= '{$result['list'][$i]['info_id']}'";
$r = $this->dbm->query($sql);
$ids = array();
foreach ($r['list'] as $k => $v) {
array_push($ids, $v['keyword_id']);
}
$sql = "select * from " . TB_PREFIX . "keyword where keyword_id in (" . implode(',', $ids) . ")";
$ret = $this->dbm->query($sql);
$result['tags_html'] = '';
if (count($ret['list']) > 0) {
$result['list'][$i]['tags'] = array();
$result['list'][$i]['tags_html'] = '';
foreach ($ret['list'] as $k => $v) {
$result['list'][$i]['tags'][] = $v['keyword'];
$result['list'][$i]['tags_html'] .= '<a href="' . $this->url->encode('tag_index', array('host' => SITE_PATH, 'extid' => $this->categories[$result['list'][$i]['last_cate_id']]['extern_id'], 'id' => $v['keyword_id'])) . '" target="_blank">' . $v['keyword'] . '</a> ';
}
}
}
}
// 分页码HTML
if ($rewrite == 0 || $rewrite == 1) {
// 前台使用动态地址或者伪静态地址
if ($this->url != null && $params['count'] == 1) {
$cpy = '';
$result['pagebar'] = helper::pagebar(array('total' => $total, 'pagesize' => $pagesize, 'rewrite' => $rewrite, 'rule' => array('node' => $node, 'obj' => $this->url, 'params' => array('host' => SITE_PATH, 'id' => $keyword_id, 'p' => $p))));
} else {
$result['pagebar'] = array('pagecode' => '');
}
} else {
$result['pagebar'] = helper::pagebar(array('total' => $total, 'pagesize' => $pagesize, 'rewrite' => $rewrite));
}
return $result;
}
/**
* 更新模型缓存
*/
public function update_models()
{
$this->models = helper::file_cache($this->host . '_' . CACHE_PREFIX . 'model', $this->get_model(), CACHE_TIME, SITE_PATH . CACHE_NAME);
}
function cache($params = array())
{
$params['cachekey'] = isset($params['cachekey']) ? $params['cachekey'] : '';
$params['cachetime'] = isset($params['cachetime']) ? $params['cachetime'] : 3600 * 24;
$params['type'] = isset($params['type']) ? $params['type'] : 'array';
if ($params['cachekey'] == '') {
return '未定义cachekey';
}
$cache = helper::file_cache($params['cachekey'], '', $params['cachetime']);
if ($cache == 'timeout') {
//echo $params['funcname']."(\$params)";
if (preg_match('~\\(.*?\\)~', $params['funcname'])) {
eval('$content=' . $params['funcname'] . ";");
} else {
eval('$content=' . $params['funcname'] . "(\$params);");
}
if ($params['type'] == 'array') {
$ca = json_encode($content);
} else {
$ca = $content;
}
helper::file_cache($params['cachekey'], $ca);
return $content;
} else {
if ($params['type'] == 'array') {
$ca = json_decode($cache, 1);
} else {
$ca = $cache;
}
return $ca;
}
}