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<?php/** * SoClass.php * 索引与搜索类 */ class SoClass { private $_xindex; private $_xsearch; private $_project; public function __construct（$project）{ //载入引导文件require_once "lib/XS.php";//初始化$xs = new XS（$project）; $this->_project = $project;$this->_xindex = $xs->index; $this->_xsearch = $xs->search;$this->_xsearch->setCharset（"UTF-8"）;} public function query（$keyWord,$row=20,$jnum=0）{ $xs = new XS（$this->_project）;$xs->search->setFuzzy（）;$xs->search->setAutoSynonyms（）;$xs->search->setQuery（$keyWord）; //支持同义词搜索，默认打开$xs->search->setLimit（$row, $jnum）; //设置返回结果最多为 5 条，并跳过前 10 条$docs = $xs->search->search（）; //执行搜索，将搜索结果文档保存在 $docs 数组中$count = $xs->search->count（）; //获取搜索结果的匹配总数估算值if（$count）{$data = array（）;foreach （$docs as $key=>$doc）{$data[$key]["pid"] = $doc->pid;$data[$key]["nid"] = $doc->nid;$data[$key]["category"] = $doc->category;$data[$key]["url"] = $doc->url;$data[$key]["name"] = $xs->search->highlight（htmlspecialchars（$doc->name））;$data[$key]["message"] = $xs->search->highlight（htmlspecialchars（$doc->message））;} return array（"data"=>$data,"count"=>$count）;}return array（）;} public function hotWord（$num,$type="lastnum"）{ return $this->_xsearch->getHotQuery（$num,$type）;} public function expanded（$keyWord）{ return $this->_xsearch->getExpandedQuery（$keyWord）;} public function lastCount（）{ return $this->_xsearch->getLastCount（）;} public function index（$data,$update=0）{ // 创建文档对象$doc = new XSDocument;$doc->setFields（$data）; // 添加或更新到索引数据库中if（！$update）{$this->_xindex->add（$doc）;}else{$this->_xindex->update（$doc）;}} public function delete（$idArray）{ //删除索引（主键删除array（"1","2","3"））$this->_xindex->del（$idArray）; } public function addSynonym（$word1,$word2）{ $this->_xindex->addSynonym（$word1,$word2）;} public function clearIndex（）{ $this->_xindex->clean（）;} } ?>