php implementation of search class encapsulation example, php implementation encapsulation example

This article shares an example of php implementation of search class encapsulation for your reference, the specific content is as follows

<&#63;php
/**
 * SoClass.php
 * 索引與搜索類 */
 
class SoClass {
 
  private $_xindex;
 
  private $_xsearch;
 
  private $_project;
 
  public function __construct($project){
 
    //載入引導(dǎo)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); //支持同義詞搜索，默認(rèn)打開
    $xs->search->setLimit($row, $jnum); //設(shè)置返回結(jié)果最多為 5 條，并跳過前 10 條
    $docs = $xs->search->search(); //執(zhí)行搜索，將搜索結(jié)果文檔保存在 $docs 數(shù)組中    
    $count = $xs->search->count(); //獲取搜索結(jié)果的匹配總數(shù)估算值
    if($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){
 
    // 創(chuàng)建文檔對象
    $doc = new XSDocument;
    $doc->setFields($data);
 
    // 添加或更新到索引數(shù)據(jù)庫中
    if(!$update){
      $this->_xindex->add($doc);
    }else{
      $this->_xindex->update($doc);
    }
  }
 
  public function delete($idArray){
 
    //刪除索引(主鍵刪除array('1','2','3'))
    $this->_xindex->del($idArray); 
  }
 
  public function addSynonym($word1,$word2){
 
    $this->_xindex->addSynonym($word1,$word2);
  }
 
  public function clearIndex(){
 
    $this->_xindex->clean();
  }
 
}
 
&#63;>

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