磁力链接打包下载

keyWord=$keyWord; $this->saveFile=$saveFile; $this->minSize=$minSize; $this->page=$pageRange[0]; $this->maxPage=$pageRange[1]; } public function run(){ while($this->flag && $this->maxPage>$this->page){ $this->timestamp=$this->microtimeFloat(); $this->_execute(); $this->page++; $this->_notice(); } } /** * 执行 */ protected function _execute(){ $this->_getUrl(); $this->_getHtmlPage(); $this->_parseHtml(); if($this->_currentMagnetCount){//当有磁力链接时保存 $this->_save(); } } public function microtimeFloat(){ list($usec, $sec) = explode(" ", microtime()); return sprintf('%01.2f',(float)$usec + (float)$sec); } /** * 通知 */ protected function _notice(){ $currentTime = $this->microtimeFloat(); $useTime =sprintf('%01.2f', $currentTime-$this->timestamp); $this->timestamp = $currentTime; echo '第'.$this->page.'页存储了'.$this->_currentMagnetCount.'个磁力链接,耗时'.$useTime."秒\r\n"; if(!($this->flag && $this->maxPage>$this->page)){ echo '总共存储了'.$this->_magnetCount.'个磁力链接'."\r\n"; } } /** * 设置url */ protected function _getUrl(){ $this->_url = $this->host.'search?q='.rawurlencode($this->keyWord).'&p='.$this->page; } /** * 获得html文件内容 */ protected function _getHtmlPage(){ $ch = curl_init(); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_TIMEOUT,$this->timeout); curl_setopt($ch, CURLOPT_URL, $this->_url); curl_setopt($ch, CURLOPT_SSLVERSION,3); $result = curl_exec($ch); if($result === false){ //echo 'Curl error: '. curl_errno($ch) .' : '. curl_error($ch); $opts = array( 'https'=>array( 'method'=>"GET", 'timeout'=>$this->timeout,//单位秒 ) ); $context = stream_context_create($opts); $this->_html = @file_get_contents($this->_url,false,$context); }else{ $this->_html = $result; } curl_close($ch); } /** * 抓取磁力链接 */ protected function _parseHtml(){ preg_match_all('/href="(magnet\:\?xt=urn\:btih\:.+?)"/',$this->_html,$magnet); preg_match_all('/attr_val">(\d+?\.?\d*? [G|M|K]B)/',$this->_html,$size); if(empty($size[1])){ $this->flag=false;//当获取磁力链接时不到时，停止翻页 } foreach($size[1] as $key=>$val){ if($this->_compareSize($val)){ $this->_magnet[]=$magnet[1][$key]; } } $this->_currentMagnetCount = count($this->_magnet); $this->_magnetCount += count($this->_magnet); } /** * 比较磁力链接文件的大小 */ protected function _compareSize($size){ $number = substr($size,0,strpos($size,' ')); $unit = substr($size,strpos($size,' ')+6); $n=''; switch($unit){ case 'GB': $n=1; break; case 'MB': $n=1024; break; case 'KB': $n=1048576; break; default : $n=false; } if($n===false){ try { throw new Exception("文件大小单位识别失败\n"); } catch (Exception $e) { echo $e->getMessage(); return false; } } return ( $this->minSize < ($number/$n) ); } /** * 把磁力链接保存到文件中 */ protected function _save(){ $data = ''; foreach($this->_magnet as $val){ $data .= $val."\n"; $this->magnetNum++; if(0==$this->magnetNum%15) $data.="\n\n"; } file_put_contents($this->saveFile,$data,FILE_APPEND); $this->_magnet=array(); } } //示例 $s = new Magnet('LOL','magnet.log',2,array(0,10)); $s->run();