//更新站点地图索引地图
  

  $count = db_getkey('SELECT COUNT(`id`) FROM `article` WHERE `state`>0');
  

  $page_num=10; //单xml的记录数;
  

  $pages = $count?ceil($count/$page_num):0;
  

  if($pages){
  

  $sitemapindex = new XMLWriter();
  

  $sitemapindex->openUri('sitemap.xml');
  

  $sitemapindex->setIndentString('');
  

  $sitemapindex->setIndent(true);
  

  $sitemapindex->startDocument('1.0','utf-8');
  

  $sitemapindex->startElement('sitemapindex');
  

  for ($i=1; $i<=$pages; $i++){
  

  $sitemapindex->startElement('sitemap');
  

  $sitemapindex->startElement('loc');
  

  $sitemapindex->text(URL.'sitemap_'.$i.'.xml');
  

  $sitemapindex->endElement();
  

  $sitemapindex->startElement('lastmod');
  

  $sitemapindex->text(date('Y-m-d'));
  

  $sitemapindex->endElement();
  

  $sitemapindex->endElement();
  

  }
  

  $sitemapindex->endElement();
  

  for($ii=1; $ii<=$pages; $ii++){
  

  $data = db_getrows('SELECT `id`,`gid`,`title`,`ctime` FROM `article` WHERE `state`>0 ORDER BY `id` DESC LIMIT '.($ii*$page_num-$page_num).','.$page_num);
  

  if($data){
  

  $data_xml =array();
  

  foreach($data as $k=>$v){
  

  $data_xml[$k]['loc'] = 'http://www.9696e.com/game/news-gid-'.$data[$k]['gid'].'-aid-'.$data[$k]['id'].'.html';
  

  $data_xml[$k]['content'] = $data[$k]['title'];
  

  $data_xml[$k]['lastmod'] = date('Y-m-d',$data[$k]['ctime']);
  

  $data_xml[$k]['weekly'] = 'weekly';
  

  $data_xml[$k]['priority'] = '0.7';
  

  }
  

  $xml = new XMLWriter();
  

  $xml->openUri('sitemap_'.$ii.'.xml');
  

  $xml->setIndentString('  ');
  

  $xml->setIndent(true);
  

  $xml->startDocument('1.0', 'utf-8');
  

  $xml->startElement('urlset');
  

  foreach ($data_xml as $v){
  

  $xml->startElement('url');
  

  foreach ($v as $kk=>$vv){
  

  $xml->startElement($kk);
  

  $xml->text($vv);
  

  $xml->endElement();
  

  }
  

  $xml->endElement();
  

  }
  

  $xml->endElement();
  

  rename('sitemap_'.$ii.'.xml','sitemap/sitemap_'$ii.'.xml');
  

  $HTML = json_encode(array('msg'=>'更新成功','bool'=>1));
  

  }
  

  }
  

  }