phpcms全站搜索不限模型的实现方法实例

<?php defined(';IN_PHPCMS';) or exit(';No permission resources.';);
pc_base::load_sys_class(';form';,';';,0);
pc_base::load_sys_class(';format';,';';,0);
class index {
function __construct() {
$this->db = pc_base::load_model('search_model');
$this-&gt;content_db = pc_base::load_model('content_model');
}
/**
* 关键词搜索
*/
public function init() {
//获取siteid
$siteid = isset($_REQUEST['siteid']) &amp;&amp; trim($_REQUEST['siteid']) ? intval($_REQUEST['siteid']) : 1;
$SEO = seo($siteid);
//搜索配置
$search_setting = getcache('search');
$setting = $search_setting[$siteid];
$search_model = getcache('search_model_'.$siteid);
$type_module = getcache('type_module_'.$siteid);
if(isset($_GET['q'])) {
if(trim($_GET['q'])=='') {
header('Location: '.APP_PATH.'index.php?m=search');exit;
}
$typeid = empty($_GET['typeid']) ? 0 : intval($_GET['typeid']);
$time = empty($_GET['time']) || !in_array($_GET['time'],array('all','day','month','year','week')) ? 'all' : trim($_GET['time']);
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
$pagesize = 10;
$q = safe_replace(trim($_GET['q']));
$q = new_html_special_chars(strip_tags($q));
$q = str_replace('%', '', $q);//过滤'%'，用户全文搜索
$search_q = $q;//搜索原内容
$sql_time = $sql_tid = '';
if($typeid) $sql_tid = ' AND typeid = '.$typeid;
//按时间搜索
if($time == 'day') {
$search_time = SYS_TIME - 86400;
$sql_time = ' AND adddate &gt; '.$search_time;
} elseif($time == 'week') {
$search_time = SYS_TIME - 604800;
$sql_time = ' AND adddate &gt; '.$search_time;
} elseif($time == 'month') {
$search_time = SYS_TIME - 2592000;
$sql_time = ' AND adddate &gt; '.$search_time;
} elseif($time == 'year') {
$search_time = SYS_TIME - 31536000;
$sql_time = ' AND adddate &gt; '.$search_time;
} else {
$search_time = 0;
$sql_time = '';
}
if($page==1 &amp;&amp; !$setting['sphinxenable']) {
// 搜索
$commend = $this-&gt;db-&gt;get_one("`siteid`= '$siteid' $sql_tid $sql_time AND `data` like '%$q%'");
} else {
$commend = '';
}
//如果开启sphinx
if($setting['sphinxenable']) {
$sphinx = pc_base::load_app_class('search_inte ce', '', 0);
$sphinx = new search_inte ce();
$offset = $pagesize*($page-1);
$res = $sphinx-&gt;search($q, array($siteid), array($typeid), array($search_time, SYS_TIME), $offset, $pagesize, '@weight desc');
$totalnums = $res['total'];
//如果结果不为空
if(!empty($res['matches'])) {
$result = $res['matches'];
}
} else {
$sql = "`siteid`= '$siteid' $sql_tid $sql_time AND `data` like '%$q%'";
$result = $this-&gt;db-&gt;listinfo($sql, 'searchid DESC', $page, 10);
}
var_dump($result);
//如果结果不为空
if(!empty($result) || !empty($commend['id'])) {
foreach($result as $_v) {
if($_v['typeid']) $sids[$_v['typeid']][] = $_v['id'];
}
if(!empty($commend['id'])) {
if($commend['typeid']) $sids[$commend['typeid']][] = $commend['id'];
}
$model_type_cache = getcache('type_model_'.$siteid,'search');
$model_type_cache = array_flip($model_type_cache);
$data = array();
foreach($sids as $_k=&gt;$_val) {
$tid = $_k;
$ids = array_unique($_val);
$where = to_sqls($ids, '', 'id');
//获取模型id
$modelid = $model_type_cache[$tid];
//是否读取其他模块接口
if($modelid) {
$this-&gt;content_db-&gt;set_model($modelid);
/**
* 如果表名为空，则为黄页模型
*/
if(empty($this-&gt;content_db-&gt;model_tablename)) {
$this-&gt;content_db = pc_base::load_model('yp_content_model');
$this-&gt;content_db-&gt;set_model($modelid);
}
$datas = $this-&gt;content_db-&gt;select($where, '*');
}
$data = array_merge($data,$datas);
}
$pages = $this-&gt;db-&gt;pages;
$totalnums = $this-&gt;db-&gt;number;
//如果分词结果为空
if(!empty($segment_q)) {
$replace = explode(' ', $segment_q);
foreach($replace as $replace_arr_v) {
$replace_arr[] =  '<font>'.$replace_arr_v.'</font>';
}
foreach($data as $_k=&gt;$_v) {
$data[$_k]['title'] = str_replace($replace, $replace_arr, $_v['title']);
$data[$_k]['description'] = str_replace($replace, $replace_arr, $_v['description']);
}
} else {
foreach($data as $_k=&gt;$_v) {
$data[$_k]['title'] = str_replace($q, '<font>'.$q.'</font>', $_v['title']);
$data[$_k]['description'] = str_replace($q, '<font>'.$q.'</font>', $_v['description']);
}
}
}
$execute_time = execute_time();
$pages = isset($pages) ? $pages : '';
$totalnums = isset($totalnums) ? $totalnums : 0;
$data = isset($data) ? $data : '';
includetemplate('search','list');
} else {
includetemplate('search','index');
}
}
public function public_get_suggest_keyword() {
$url = $_GET['url'].'&amp;q='.$_GET['q'];
$trust_url = array('c8430fcf851e85818b546addf5bc4dd3');
$urm_md5 = md5($url);
if (!in_array($urm_md5, $trust_url)) exit;
$res = @file_get_contents($url);
if(CHARSET != 'gbk') {
$res = iconv('gbk', CHARSET, $res);
}
echo $res;
}
/**
* 提示搜索接口
* TODO 暂时未启用，用的是google的接口
*/
public function public_suggest_search() {
//关键词转换为拼音
pc_base::load_sys_func('iconv');
$pinyin = gbk_to_pinyin($q);
if(is_array($pinyin)) {
$pinyin = implode('', $pinyin);
}
$this-&gt;keyword_db = pc_base::load_model('search_keyword_model');
$suggest = $this-&gt;keyword_db-&gt;select("pinyin like '$pinyin%'", '*', 10, 'searchnums DESC');
foreach($suggest as $v) {
echo $v['keyword']."\n";
}
}
}
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