westdc-zf1/application/default/controllers/DataController.php

<?php
class DataController extends Zend_Controller_Action 
{
	private $limit=10;
    function __call($id, $arguments)
    {
        Zend_Debug::dump($arguments,'argu');
        Zend_Debug::dump($id,'id');
        $this->_helper->viewRenderer->setNoRender();
        $this->_helper->layout->disableLayout();
    }
    
    function preDispatch()
    {
    	$this->db=Zend_Registry::get('db');
    	$this->view->config = Zend_Registry::get('config');
    	$this->messenger=$this->_helper->getHelper('FlashMessenger');
    	$this->view->messages = $this->messenger->getMessages();
    }
    function indexAction()
    {
        $md = new MetadataTable();
        $db=$md->getAdapter();
        //序列
        $state=$db->query('select s.id,name,count(*) from series s,dataseries d where d.sid=s.id group by s.id,s.name');
    	$this->view->serie=$state->fetchAll();
    	//分类
    	$state=$db->query('select c.code,name,name_zh,count(*) from category c,categorycode cc where c.code=cc.code group by c.code,cc.name,cc.name_zh');
    	$this->view->category=$state->fetchAll();
    	//关键词
    	$state=$db->query("select keyword,count(*) from keyword where keytype='place' group by keyword order by count desc limit 20");    	
    	$k1=$state->fetchAll();
    	//$state=$db->query("select keyword,count(*) from keyword where keytype='theme' group by keyword order by count desc limit 20");
    	$state=$db->query("select k.keyword,count(k.keyword) from keyword k left join metadata m on k.id=m.id where k.keytype='theme' and (m.uuid in (select uuid from dataorder group by uuid order by count(uuid) desc limit 20)) group by k.keyword order by count(k.keyword) desc limit 20");
    	$k2=$state->fetchAll();
    	$state=$db->query("select keyword,count(*) from keyword where keytype='discipline' group by keyword order by count desc limit 20");
    	$k3=$state->fetchAll();
    	$state=$db->query("select keyword,count(*) from keyword where keytype='stratum' group by keyword order by count desc limit 20");
    	$k4=$state->fetchAll();
    	//$state=$db->query("select keyword,count(*) from keyword where keytype='temporal' group by keyword order by count desc limit 20");
    	$state=$db->query("select k.keyword,count(k.keyword) from keyword k left join metadata m on k.id=m.id where k.keytype='temporal' and (m.uuid in (select uuid from dataorder group by uuid order by count(uuid) desc limit 20)) group by k.keyword order by count(k.keyword) desc limit 20");
    	$k5=$state->fetchAll();
    	$this->view->keywords=array('place'=>$k1,'theme'=>$k2,'discipline'=>$k3,'stratum'=>$k4,'temporal'=>$k5);
    	//最新10个入库数据
    	$state=$db->query('select id,uuid,title from metadata order by id desc limit 10');
        $this->view->metadata = $state->fetchAll();
        //特色数据      
        
        //服务
      $l=new mydir($this->view->config->paths->newsletter,"newsletter_*.pdf");	
		$this->view->newsletter=$l->getLast();
		$name=basename($this->view->newsletter,'.pdf');
		list(,$this->view->newsletterno)=explode("_",$name);

      $this->view->addHelperPath('helper','Zend_View_Helper_');
		$form=new MaillistForm();
		$form->submit->setLabel('输入邮件地址，订阅数据通讯列表');
		
		$this->view->form=$form;
    	if ($this->_request->isPost()) {
    		//发送邮件
    		$formData=$this->_request->getPost();
    		if ($form->isValid($formData)) {
    			$mail=new WestdcMailer($this->view->config->smtp);
    			$mail->setFrom($formData['email']);
    			$mail->setBodyText(".");
    			$mail->setSubject('subscribe');
    			$mail->addTo($this->view->config->reportemail);
    			$mail->send();
    			$this->messenger->addMessage('订阅成功，请检查您的邮件！');
    			$this->_redirect('/data/');
    		}
    	} else {
    		$auth = Zend_Auth::getInstance();
    		if ($auth->hasIdentity()) {
    			$user=$auth->getIdentity();
    			$formData['email']=$user->email;
    			$form->populate($formData);
    		}
    	}
    	$searchform=new SearchForm();
    	$this->view->searchform=$searchform;

        //其他连接
    }
	function onlinelistAction()
	{
    	$md=new MetadataTable();
    	$db=$md->getAdapter();
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$limit=30;
    	$offset=$limit*($page-1);
    	$state=$db->query('select count(*) from metadata where datatype=0');
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$db->select();
    	$select->from('metadata','*')->where('datatype=0')->order('title')->limitPage($page,$limit);
    	$this->view->metadata = $db->fetchAll($select);
    	$this->view->page=new Pagination($sum,$page,$limit);
	}
	function offlinelistAction()
	{
    	$md=new MetadataTable();
    	$db=$md->getAdapter();
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$limit=30;
    	$offset=$limit*($page-1);
    	$state=$db->query('select count(*) from metadata where datatype=1');
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$db->select();
    	$select->from('metadata','*')->where('datatype=1')->order('title')->limitPage($page,$limit);
    	$this->view->metadata = $db->fetchAll($select);
    	$this->view->page=new Pagination($sum,$page,$limit);
	}
	//展示最近20条离线神情记录情况
	function offlineappAction()
	{
		$sql="select * from offlineapp where ts_approved is not null and pdflink<>'' order by ts_created desc limit 20";
		$this->view->rows=$this->db->fetchAll($sql);
	}
	function requestAction()
	{
	}
	function submitAction()
	{
	}
	function serviceAction()
	{
	}
	function newsletterAction()
	{
		$l=new mydir($this->view->config->paths->newsletter,"newsletter_*.pdf");	
		$this->view->newsletters=$l->toArray();
		$this->view->addHelperPath('helper','Zend_View_Helper_');
		rsort($this->view->newsletters);	
		$form=new MaillistForm();
		$this->view->form=$form;
		$form->submit->setLabel('输入邮件地址，订阅数据通讯列表');
    	if ($this->_request->isPost()) {
    		//发送邮件
    		$formData=$this->_request->getPost();
    		if ($form->isValid($formData)) {
    			//$mail=new Zend_Mail('utf-8');
    			$mail=new WestdcMailer($this->view->config->smtp);
    			$mail->setFrom($formData['email']);
    			$mail->setBodyText(".");
    			$mail->setSubject('subscribe');
    			$mail->addTo($this->view->config->reportemail);
    			/*
    			$tr=new Zend_Mail_Transport_Smtp($this->view->config->smtp->host,
					array('ssl' => $this->view->config->smtp->ssl,
					'auth'=>$this->view->config->smtp->auth,
					'username'=>$this->view->config->smtp->username,
					'password'=>$this->view->config->smtp->password));
    			$mail->send($tr);
    			*/
    			$mail->send();
    			$this->messenger->addMessage('订阅成功，请检查您的邮件！');
    			$this->_redirect('/data/newsletter');
    		}
    	} else {
    		$auth = Zend_Auth::getInstance();
    		if ($auth->hasIdentity()) {
    			$user=$auth->getIdentity();
    			$formData['email']=$user->email;
    			$form->populate($formData);
    		}
    	}
	}
	function featureAction()
	{
		$sql="select * from datafeature order by id desc";
		$this->view->feature=$this->db->fetchAll($sql);
	}
	
	function datasetcdAction()
	{
		$cd=new DatasetcdTable();
		$this->view->rows=$cd->fetchAll();
	}
    /*
    * 数据浏览
    */
    function browseAction()
    {
    	$md=new MetadataTable();
    	$db=$md->getAdapter();
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$limit=10;
    	$offset=$limit*($page-1);
    	$state=$db->query('select count(*) from metadata');
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$db->select();
    	$select->from('metadata','*')->order('title')->limitPage($page,$limit);
    	$this->view->metadata = $db->fetchAll($select);
    	$this->view->page=new Pagination($sum,$page,$limit);
    }
    function tagAction()
    {
    	$id = (int)$this->_request->getParam('id');
    	$key = $this->_request->getParam('key');
    	$md=new KeywordTable();
    	$db=$md->getAdapter();
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$limit=10;
    	$offset=$limit*($page-1);
    	$state=$db->query('select keyword,count(*),keytype from keyword group by keyword,keytype order by keytype,keyword,count desc');
    	$this->view->keywords=$state->fetchAll();
    	if ($id>0 or !empty($key)) {
    		if (empty($key)) {
    			$where=$db->quoteInto('id = ?',$id);
    			$row=$md->fetchRow($where);
    			$key=$row->name;     			
    		}
    		$this->view->codename=$key;
    		$sql=$db->quoteInto('select count(m.id) from metadata m,keyword k where m.id=k.id and k.keyword=?',$key);
    		$state=$db->query($sql);
    		$row=$state->fetchAll();
			$sum=$row[0]['count'];
			$select=$db->select();
			$select->from('metadata','*')->join('keyword','metadata.id=keyword.id')->where('keyword.keyword=?',$key)->order('metadata.title')->limitPage($page,$limit);
    		//$sql=$db->quoteInto('select m.* from metadata m,keyword k where m.id=k.id and k.keyword=?',$key);
    		//$state=$db->query($sql);
    		$this->view->metadata=$db->fetchAll($select);
    		$this->view->page=new Pagination($sum,$page,$limit);
    	}
    }
    /*
    * 数据集序列浏览
    */
    function seriesAction()
    {
    	$id = $this->_request->getParam('id');
    	if (empty($id)) $id=0;
    	if (!is_numeric($id))
    	{
    		$name=$id;
    		$id='';
    	}
    	$keyword=$this->_request->getParam('keyword');
    	$md=new SeriesTable();
    	$db=$md->getAdapter();
    	if (empty($id)) {
    		if (!empty($name))
    		{
	    		$where=$db->quoteInto('name = ?',$name);
   	 		$row=$md->fetchRow($where);
   	 	}   		
    	} else {
    		$where=$db->quoteInto('id = ?',$id);
    		$row=$md->fetchRow($where);
    	}
    	if (!empty($id) or !empty($name))
    	{
    		if (!$row) $this->_redirect('/data');
    		$id=$row->id;
    	}
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$limit=10;
    	$offset=$limit*($page-1);    	
    	$state=$db->query('select s.id,name,count(*) from series s,dataseries d where d.sid=s.id group by s.id,s.name');
    	$this->view->serie=$state->fetchAll();
    	if ($id>0) {
    		$where=$db->quoteInto('id = ?',$id);
    		$row=$md->fetchRow($where);
    		$this->view->codename=$row->name;
    		if (!empty($keyword))
    		{ 
    			$sql='select count(m.id) as count from metadata m,dataseries d,keyword k where m.id=d.id and m.id=k.id and d.sid=? and k.keyword=?';
    			$row=$db->fetchAll($sql,array($id,$keyword));
    		}else{
    			$sql='select count(m.id) as count from metadata m,dataseries d where m.id=d.id and d.sid=?';
    			$row=$db->fetchAll($sql,array($id));
    		}
			$sum=$row[0]['count'];
			$select=$db->select();
			$select->from('metadata','*')->join('dataseries','metadata.id=dataseries.id')->where('dataseries.sid=?',$id)->order('metadata.title')->limitPage($page,$limit);
			if (!empty($keyword)) $select->join('keyword','keyword.id=metadata.id')->where('keyword.keyword=?',$keyword);
    		$this->view->metadata=$db->fetchAll($select);
    		$this->view->page=new Pagination($sum,$page,$limit);
    		$this->view->showtools=($sum>$page)?true:false;
    		$this->view->form=new SearchForm();
    		$sql=$db->quoteInto("select keyword,count(*) as count from (select t.keyword,t.id from keyword t left join dataseries d on t.id=d.id where t.keytype='place' and d.sid=?) as f group by keyword order by count desc limit 30",$id);
    		$state=$db->query($sql);
    		$row=$state->fetchAll();
    		$this->view->places=$row;
    		$this->view->seriesid=$id;
    	} else {
    		//提供全部数据集序列列表
    	}
    }
    /*
    * 分类浏览模式
    */
    function categoryAction()
    {
    	$code = (int)$this->_request->getParam('code');
    	$md=new CategoryCodeTable();
    	$db=$md->getAdapter();
    	$state=$db->query('select c.code,name,name_zh,count(*) from category c,categorycode cc where c.code=cc.code group by c.code,cc.name,cc.name_zh');
    	$this->view->category=$state->fetchAll();
    	if ($code>0 && $code<20) {
    		$where=$db->quoteInto('code = ?',$code);
    		$row=$md->fetchRow($where);
    		$this->view->codename=(empty($row->name_zh)?$row->name:$row->name_zh);
    		$sql='select m.* from metadata m,category c where m.id=c.id and c.code=? order by m.title';
    		$state=$db->query($sql,array($code));
    		$this->view->metadata = $state->fetchAll();
    	} else {
    		//提供全部分类列表
    	}
    }
    /*
    * 时间浏览方式
    * todo:实现xml的缓存，基于时间的缓存（每天）？基于元数据修改的缓存，每次导入后都重新生成一次。
    */
    function timelineAction()
    {
    	$fn="time1.xml";
    	$rows=$this->db->fetchAll("select ts_created from metadata order by ts_created desc limit 1");
    	$last_update=strtotime($rows[0]['ts_created']);
    	if (!file_exists($fn) || (filemtime($fn)<$last_update))
    	{ 
    	$dateformat="M j Y";
    	$md = new MetadataTable();
    	$db=$md->getAdapter();
    	$state=$db->query('select id,uuid,description,title,timebegin,timeend from metadata where timebegin is not null order by timebegin');
    	$rows=$state->fetchAll();
    	$timexml='<data>';
    	foreach($rows as $row) {
    		$timexml.='<event start="'.date($dateformat,strtotime($row['timebegin'])).'" ';
    		if ($row['timeend']!='' && $row['timeend']!=$row['timebegin']) $timexml.=' end="'.date($dateformat,strtotime($row['timeend'])).'" isDuration="true"';    		
    		$timexml.= ' title="'.htmlspecialchars($row['title']).'" image="/images/westdc_40w.gif" link="/data/'.$row['uuid'].'">';
    		$desc_length=mb_strlen($row['description'],"UTF-8");
    		$desc=mb_substr($row['description'],0,($desc_length>300)?300:$desc_length,"UTF-8");
    		if ($desc_length>300) $desc.=" ...";
    		$timexml.=htmlspecialchars($desc);
    		$timexml.="</event>\n";
    	}    		
    	$timexml.='</data>';
    	$fp=fopen($fn,'w');
    	fwrite($fp,$timexml);
    	fclose($fp);
    	}
		//$this->_helper->layout->disableLayout();
    }
    /*
    * todo:空间浏览
    */
    function mapAction()
    {
    	//use json & openlayers?
    	$id=(int)$this->_request->getParam('id');
    	if ($id>0) $this->view->params="/id/$id";
    }
    /*
    * 产生geojson数据
    */
    function jsonAction()
    {
    	$md=new MetadataTable();
    	$db=$md->getAdapter();
    	$id = (int)$this->_request->getParam('id');
    	$where='';
    	if (!empty($id)) { $where=' where id='.$id; }
    	$sql='select id,uuid,west,south,north,east,title from metadata'.$where;
    	$state=$db->query($sql);
    	$rows=$state->fetchAll();
    	$geomd=new GeoMetaData();
		foreach($rows as $row){
			if ($id)
				$box=new GeoBox($row['west'],$row['south'],$row['east'],$row['north']);
			else 
				$box=new GeoBoxLine($row['west'],$row['south'],$row['east'],$row['north']);
			$feature=new Geofeature();
			$feature->id=$row['id'];
			$feature->addProperties('title',$row['title']);
			$feature->addProperties('uuid',$row['uuid']);
			$feature->addProperties('id',$row['id']);
			$feature->geometry=$box;
    		$geomd->addFeature($feature);
    	}
    	$this->_helper->json($geomd);    
    }
    /*
    * 时空动态浏览
    */
    function timemapAction()
    {
    	$sql='select id,uuid,west,south,north,east,title,timebegin,timeend from metadata where timebegin is not null';
    	$this->view->rows=$this->db->fetchAll($sql);
    }
    /*
    * 返回XML源文件
    */
    function xmlAction()
    {
    	$id=(int)$this->_request->getParam('id');
    	$xml=new XmlTable();
    	$db=$xml->getAdapter();
    	$where=$db->quoteInto('id=?',$id);
    	$order='id desc';
    	$row=$xml->fetchRow($where,$order);
    	$this->_helper->layout->disableLayout();
    	$this->_helper->viewRenderer->setNoRender();
		$this->getResponse()->setHeader('Content-Type', 'text/xml')
                           ->setBody($row->data);
    }
    function detailAction()
    {
    	$id=(int)$this->_request->getParam('id');
    	$xml=new XmlTable();
    	$db=$xml->getAdapter();
    	$where=$db->quoteInto('id=?',$id);
    	$order='id desc';
    	$row=$xml->fetchRow($where,$order);
    	// Load the XML source
		$xml = new DOMDocument;
		$xml->loadXML($row->data);
		$xsl = new DOMDocument;
		$xsl->load($this->view->config->westdc->xsl);
		// Configure the transformer
		$proc = new XSLTProcessor;
		$proc->importStyleSheet($xsl); // attach the xsl rules
		$this->view->xml=$proc->transformToXML($xml);
    	//$this->_helper->layout->disableLayout();
    	//$this->_helper->viewRenderer->setNoRender();
		//$this->getResponse()->setHeader('Content-Type', 'text/html')
      //                     ->setBody($proc->transformToXML($xml));
    }
	function feedAction()
	{
		$feedArray = array(
                'title' => '中国西部环境与生态科学数据中心',
                'link' => 'http://'.$_SERVER['SERVER_NAME'].'/data/feed',
                'description' => '共享西部计划产生的数据',
                'language' => 'zh-CN',
                'charset' => 'utf-8',
                'published' => time(),
                //'generator' => 'Zend Framework Zend_Feed',
                'entries' => array()
            );
		$sql="select * from metadata order by ts_created desc";
		$rs=$this->db->fetchAll($sql);
		$feedArray['published']=strtotime($rs[0]['ts_created']);
		foreach($rs as $r)
		{
			$feedArray['entries'][] = array(
                'title' => $r['title'],
                'link' => 'http://'.$_SERVER['SERVER_NAME'].'/data/' . $r['uuid'],
                'guid' => 'http://'.$_SERVER['SERVER_NAME'].'/data/' . $r['uuid'],
                //'content'=>$r['description'],
                'description' => $r['description'],
                'lastUpdate' => strtotime($r['ts_created'])
                );
		}
		$feed = Zend_Feed::importArray($feedArray,'rss');
    	$this->_helper->layout->disableLayout();
    	$this->_helper->viewRenderer->setNoRender();
   	$feed->send();
    }
    /*
    * todo: search
    */
    function searchAction()
    {
		$this->view->addHelperPath('helper','Zend_View_Helper_');
    	$form=new SearchForm();
    	$this->view->form=$form;
    	//$form->submit->setLabel('快速搜索');
    	$key=$this->_request->getParam('q');
    	if (!empty($key)) {
    		//$formData=$this->_request->getPost();
    		//include_once("bcspamblock.php");
    		//if ($form->isValid($formData)) {
   		$page=@(int)$this->_request->getParam('page');
    		if (empty($page)) $page=1;
    		$offset=$this->limit*($page-1);
    		$search=new Search($key);
    		$where=$search->sql_expr(array("title","description"));
    		$row=$this->db->fetchAll("select count(*) from metadata where ".$where);
    		$sum=$row[0]['count'];
    		$sql="select uuid,title,id,description from metadata where ".$where." order by title limit ? offset ?";
			$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    		$this->view->page=new Pagination($sum,$page,$this->limit);
    		$this->view->key=$key;    
    	}
    }
    /*
    * todo: 高级搜索
    */
    function advancesearchAction()
    {
		$this->view->addHelperPath('helper','Zend_View_Helper_');
    	//$form=new SearchForm();
    	//$this->view->form=$form;

    	$md=new MetadataTable();
    	$db=$md->getAdapter();
    	$page=(int)$this->_request->getParam('page');  
    	if (empty($page)) $page=1;  	
    	$limit=10;
    	$offset=$limit*($page-1);    	
    	$key=$this->_request->getParam('q');
    	$n=(int)$this->_request->getParam('n');
    	$s=(int)$this->_request->getParam('s');
    	$e=(int)$this->_request->getParam('e');
    	$w=(int)$this->_request->getParam('w');
    	if (!(empty($n) && empty($key))) { 
    	if (empty($n)) $n=90;
    	if (empty($s)) $s=-90;
    	if (empty($e)) $e=180;
    	if (empty($w)) $w=-180;
    	$start=$this->_request->getParam('start');
    	$end=$this->_request->getParam('end');
    	if (!empty($key)) {     		
    		$sql='select count(*) from metadata where east<? and west>? and north<? and south>? and (title ilike ? or description ilike ?)';
    		$row=$db->fetchAll($sql,array($e,$w,$n,$s,'%'.$key.'%','%'.$key.'%'));
    	} 	else {
    		$sql='select count(*) from metadata where east<? and west>? and north<? and south>?';
    		$row=$db->fetchAll($sql,array($e,$w,$n,$s));
    	}
    		$sum=$row[0]['count'];
    		$select=$db->select();
    		$select->from('metadata','*')->where('east<?',$e)->where('west>?',$w)->where('north<?',$n)->where('south>?',$s);
    		if (!empty($key))	$select->where('(title ilike ? or description ilike ?)','%'.$key.'%');
    		$select->order('title')->limit($limit,$offset);
    		$this->view->metadata = $db->fetchAll($select);
    		$this->view->page=new Pagination($sum,$page);
    		$this->view->key=$key;
    		}    
    }
    /*
    * 根据id或uuid来查看元数据
    * id为一组数字，uuid为唯一标识符
    */
    function viewAction()    
    {
      $md=new MetadataTable();
    	$db=$md->getAdapter();
    	$id = (int)$this->_request->getParam('id');
    	if (empty($id)) {
    		$uuid = $this->_request->getParam('uuid');
    		if (empty($uuid)) $this->_redirect('/data');
    		$where=$db->quoteInto('uuid = ?',$uuid);
    		$row=$md->fetchRow($where);   		
    	} else {
    		$where=$db->quoteInto('id = ?',$id);
    		$row=$md->fetchRow($where);
    	}
    	if (!$row) $this->_redirect('/data');
    	$id=$row->id;
    	$uuid=$row->uuid;
    	$this->view->metadata=$row;
    	//提前对表格进行预处理
    	$this->view->metadata->description=$this->parseTable($this->view->escape($row->description));    	
    	if (is_numeric($row->projection)) 
    	{
    		$sql="select proj4text from spatial_ref_sys where auth_srid=?";
    		$rs=$db->fetchRow($sql,array((int)$row->projection));
    		if ($rs) $this->view->projection=$rs['proj4text'];
    	}
    	$this->view->keys=$this->db->fetchAll("select * from keyword where id=? order by keytype,ts_created",array($id));
    	$sql='select c.code,cc.name,cc.name_zh from category c,categorycode cc where c.code=cc.code and c.id= ?';
    	$state=$db->query($sql,array($id));
    	$this->view->category=$state->fetchAll();
    	$sql='select s.name,s.id from dataseries d, series s where d.sid=s.id and d.id= ?';
    	$state=$db->query($sql,array($id));
    	$this->view->series=$state->fetchAll();
    	$sql=$db->quoteInto("select count(*) as count from dataorder where uuid=?",$uuid);
    	$row=$db->fetchRow($sql);
    	$this->view->downloaded=$row['count'];
    	//update the viewed times
    	$sql="update mdstat set viewed=viewed+1 where uuid=?";
    	$db->query($sql,array($uuid));
    	$sql=$db->quoteInto("select viewed from mdstat where uuid=?",$uuid);
    	$row=$db->fetchRow($sql);
    	$this->view->viewed=$row['viewed'];
    	//数据文档
    	$sql="select linkage from onlineresource where uuid=? and description='数据说明文档'";
    	$sql=$db->quoteInto($sql,$uuid);
    	$row=$db->fetchRow($sql);
    	if ($row) $this->view->doc=$row['linkage'];
    	//相关资源
    	$sql="select * from onlineresource where uuid=? and description<>'数据说明文档' and (linkage not like '%ftp.westgis%') and (linkage not like '%westdc%') and name<>'元数据地址'";
    	$sql=$db->quoteInto($sql,$uuid);
    	$this->view->resources=$db->fetchAll($sql);
    	//建议参考文献
    	$sql="select r.* from reference r left join mdref m on m.refid=r.id where m.uuid=?";
    	$sql=$db->quoteInto($sql,$uuid);
    	$this->view->ref=$db->fetchAll($sql);
    	//相关用户
    	$sql="select p.email,p.individual,p.organisation,r.role from role r left join responsible p on r.resid=p.id where r.uuid=? order by r.role,r.id";
    	$this->view->authors=$db->fetchAll($sql,array($uuid));
    	//数据限制信息
    	$sql="select u.* from uselimit u left join mdlimit m on u.id=m.lid where m.uuid=?";
    	$this->view->uselimits=$db->fetchAll($sql,array($uuid));
    	//相关元数据，根据同名关键词实现
    	//$sql="select distinct(md.uuid),md.title from keyword kw left join metadata md on kw.id=md.id where kw.keyword in (select k.keyword from keyword k left join metadata m on k.id=m.id where m.id=? and k.keytype='theme') and kw.id<>? limit 10";
    	$sql="select distinct(md.uuid),md.title from keyword kw left join metadata md on kw.id=md.id where kw.keyword in (select k.keyword from keyword k left join metadata m on k.id=m.id where m.id=?) and kw.id<>? limit 10";
    	$this->view->related=$this->db->fetchAll($sql,array($id,$id));
    	//相关文献
    	$sql="select * from knl_article where ";
    	foreach($this->view->keys as $k)
    	{
    		if ($k->keytype=='theme') 
    		{
    			$sql.=" title like '%".$k->keyword."%' or ";
    		}
    	}
    	$sql.=" 1<>1 limit 10";
    	$this->view->literature=$this->db->fetchAll($sql);
    	//数据评论
    	$sql="select * from comments where uuid=? order by id desc";
    	$this->view->comments=$this->db->fetchAll($sql,array($uuid));
    	$user=Zend_Auth::getInstance()->getIdentity();
    	$commentForm=new CommentForm();
    	$formdata['uuid']=$uuid;
    	$formdata['uid']=0;//用户ID，默认为0，即未登录用户
    	$this->view->addHelperPath('helper','Zend_View_Helper_');
    	if ($this->_request->isPost()) {
    		include_once("bcspamblock.php");
    		$formdata=$this->_request->getPost();
    		if (bcspamblock_verify() && $commentForm->isValid($formdata)) {
    			$sql="insert into comments (userid,uuid,author,email,url,ip,content,agent,type) values(?,?,?,?,?,?,?,?,?)";
    			$agent=$this->_request->getHeader('User-Agent');
    			$ip=$this->_request->getServer('REMOTE_ADDR');
    			$type='comment';
    			$stripper = new Zend_Filter_StripTags('strong');//剔除特殊字符HTML
    			$content=$stripper->filter($formdata['content']);
    			$author=$stripper->filter($formdata['author']);
    			$this->db->query($sql,array($formdata['uid'],$formdata['uuid'],$author,$formdata['email'],$formdata['url'],$ip,$content,$agent,$type));
    			$formdata['content']='';
    		}
    	} elseif ($user) {
    		$formdata['uid']=$user->id;
    		$formdata['author']=$user->username;
    		$formdata['email']=$user->email;
    	}
  		$commentForm->populate($formdata);
    	$this->view->commentForm=$commentForm;
    	
    	//metadata,keyword,series,category,
    }
	/*
	* 数据评论，根据UUID读取
	*/
	function commentAction()
	{
		$this->_helper->layout->disableLayout();
		$this->_helper->viewRenderer->setNoRender();
   	$uuid=$this->_request->getParam('uuid');
    	if (empty($uuid)) die();
    	$sql="select * from comments where uuid=? order by id desc";
    	$comments=$this->db->fetchAll($sql,array($uuid));
    	if ($comments)
    	{
			foreach($comments as $c)
			{
				//$author=$this->view->escape($c['author']);
				$author=$c['author'];
				$author=($c['userid'])?"<strong>".$author."</strong>":$author;
				$author=($c['url'])?'<a href="'.$c['url'].'">'.$author.'</a>':$author;
				print "<div class='comment-content'><span>".$author." 发表于".date('Y-m-d H:i:s',strtotime($c['ts_created']))."</span><p>".($c['content'])."</p></div>";
			}
		}//else  echo "<li>No comments.</li>";
	}    
    /*
    * 数据下载，根据UUID进行判断
    * 一次只下载一个数据（一个元数据项）
    */
    function downloadAction()
    {
    	$uuid=$this->_request->getParam('uuid');
    	if (empty($uuid)) $this->_redirect('/data');
    	$userid=Zend_Auth::getInstance()->getIdentity()->id;
    	$this->view->username='westdc'.Zend_Auth::getInstance()->getIdentity()->id;
    	$sql=$this->db->quoteInto("select o.* from onlineresource o left join metadata m on o.uuid=m.uuid where m.datatype=0 and m.uuid=?",$uuid);
    	$rows=$this->db->fetchAll($sql);
    	$updateftp=$updateftp1=false;
    	$sql=$this->db->quoteInto("select * from metadata where uuid=?",$uuid);
    	$this->view->md=$this->db->fetchRow($sql);
    	$bigfile=($this->view->md['filesize']>5);
    	$this->view->userpass=md5('westdc'.rand(1000,9999));
    	$this->view->ftptime=date('Y-m-d H:i:s', strtotime('+1 week'));
    	$sql=$this->db->quoteInto("select * from ftpuser where userid=?",$userid);
    	$row=$this->db->fetchRow($sql);
    	$datacount=$row['datacount'];
    	foreach ($rows as $row) {
    		$url=$row['linkage'];    		
    		$p=parse_url($url);
    		if ($p['scheme']=='ftp')
    		//if ($row['protocol']=="WWW:DOWNLOAD-1.0-ftp--download")
    		{
    			//判断FTP URL是否附带了用户名和密码
    			if ($p['host']=='ftp.westgis.ac.cn')
    				$url='ftp://'.$this->view->config->ftp->user.':'.$this->view->config->ftp->password.'@ftp.westgis.ac.cn'.$p['path'];
    			if (!$bigfile &&is_file($url) && file_exists($url))
    			{
    				$this->_helper->layout->disableLayout();
    				$this->_helper->viewRenderer->setNoRender();
    				$content=file_get_contents($url);
					$this->getResponse()->setHeader('Content-Type', 'application/octet-stream')
									->setHeader('Content-Disposition','attachment; filename="'.basename($url).'"')
									->setHeader('Content-Length', strlen($content))
									->setHeader('Content-Type','application/force-download')
									->setHeader('Content-Type','application/download')
									->setHeader('Content-Description','File Transfer')
									->setHeader('Content-Transfer-Encoding','binary')
									->setHeader('Expires',0)
									->setHeader('Cache-Control','must-revalidate, post-check=0, pre-check=0')
									->setHeader('Pragma','public')
                           ->setBody($content);
    			} else {
    				//是一个FTP，返回用户名称和密码说明
    				if ($p['host']=='ftp.westgis.ac.cn') 
    				{
    					//添加FTP帐号信息以及时间控制信息，只更新一次
    					$updateftp=true;
    					$g6=new G6ftp();
    					$g6->db=$this->db;
    					//不进行判断，每个元数据中的下载地址都对应一个虚拟路径
    					//if (is_file($url)) $path=dirname($p['path']); else $path[]=$p['path'];
    					$path[]=$p['path'];
    					$uu=(object)array("id"=>$userid,
    									"username"=>$this->view->username,
    									"password"=>$this->view->userpass,
    									"path"=>$path,
    									"maxdata"=>$this->view->config->download->max,
    									"time"=>$this->view->ftptime,
    									"datacount"=>$datacount);
    					if ($g6->createuser($uu)) {
    						$this->view->userpass=$g6->pwd;
    						$this->view->ftptime=$g6->time;
    					} else { 
    					  	$this->messenger->addMessage('错误：您正在进行下载的在线数据数已经超过系统允许的最大值，请在下面点击“完成”或“取消”对应的在线数据下载！');
    					  	$this->_redirect('/data/order');
    					}
    				} elseif (!$updateftp1 && $p['host']=='ftp1.westgis.ac.cn')
    				{
    					//添加FTP1帐号信息以及时间控制信息，只更新一次
    					$updateftp1=true;
    				}
    				if ($p['host']=='ftp.westgis.ac.cn')
    				{
    					//更新URL
    					$ftpurls[]='ftp://'.$this->view->username.'@ftp.westgis.ac.cn'.$p['path'];
    				} elseif  ($p['host']=='ftp1.westgis.ac.cn')
    					$ftpurls[]='ftp://ftp1.westgis.ac.cn'.$p['path'];
    				else
    					$ftpurls[]=$url;
    			}
    		} else {
    			//若不清楚协议，只是列出来？
    			$links[]=$row;
    		}
    	}
    	//设置输出
    	//if ($updateftp || $updateftp1) $this->view->userpass=$password;
    	@$this->view->ftpurls=$ftpurls;
    	@$this->view->links=$links;
		//更新下载记录
		//todo: 尝试添加一个RULE：若有对应数据存在，则不插入（ userid,uuid,status=0,ts_approved:null)
		$sql="select * from dataorder where userid=? and uuid=? and status=0 and (ts_approved is null)";
		$u=$this->db->fetchRow($sql,array($userid,$uuid));
		if (empty($u)) {
			$sql="insert into dataorder (userid,uuid,ts_created) values(?,?,now())";
			$this->db->query($sql,array($userid,$uuid));
		}					               
    }
    /*
    * 离线申请（可以包括在线数据），在无数据参数时，则显示已有列表
    */
    function orderAction()
    {
    	$uuid=$this->_request->getParam('uuid');
    	$del = $this->_request->getParam('del');
		$apply = $this->_request->getParam('apply');
		$finish = $this->_request->getParam('finish');
		$cancel = $this->_request->getParam('cancel');
		$pdf = $this->_request->getParam('pdf');
    	//if (empty($uuid)) $this->_redirect('/data');
    	$userid=Zend_Auth::getInstance()->getIdentity()->id;
    	if ($uuid)
    	{
    		//处理数据入库
    		//离线申请的数据不应该重复，因此需要在数据库限制？还是在WEB端限制？
    		//在数据库中控制，只保证uuid,userid,status唯一就可以?
    		//存在历史遗留问题，原来的数据并不能保证唯一
    		//status: 1 开始进入离线申请申请程序中
    		// 2 填写并提交离线申请表
    		// 3 邮寄离线申请表
    		// 4 收到离线申请表
    		// 5 处理离线申请表
    		// 10:离线申请完成？
    		// -1: 取消了在线下载进程
    		//首先判断离线申请的数据数量是否超过系统限制
    		$sql="select count(*) as datacount from dataorder where (ts_approved is null) and userid=? and status>0 and status<6";
    		$r=$this->db->fetchRow($sql,array($userid));
    		//保证添加的离线数据申请未申请
    		$sql="select count(*) as datacount from dataorder where (ts_approved is null) and userid=? and uuid=? and status=1";
    		$r1=$this->db->fetchRow($sql,array($userid,$uuid));
    		if ($r['datacount']<$this->view->config->download->max && $r1['datacount']<1) { 
    			$sql="insert into dataorder (uuid,ts_created,userid,status) values(?,now(),?,?)";
    			$this->db->query($sql,array($uuid,$userid,1));
    			//成功信息提示
    			$sql=$this->db->quoteInto("select title,uuid from metadata where uuid=?",$uuid);
    			$this->view->md=$this->db->fetchRow($sql);
    		} else {
    			if ($r1['datacount']>=1)
    			  $this->view->msg="错误：您申请的数据已经在数据蓝中！";
    			else
    			  $this->view->msg="错误：您正在进行的离线申请的数据数已经超过系统允许的最大值，请在完成本次离线申请后再进行操作！";
    		}
    	} elseif ($del) {
    		//删除数据申请
    		$sql=$this->db->quoteInto("delete from dataorder where id=?",$del);
    		$this->db->query($sql);
    		$this->_redirect('/data/order');
    	} elseif ($apply) {
    		if ($apply=='all') {
    			$sql=$this->db->quoteInto("update dataorder set status=2 where status=1 and userid=?",$userid);
    			$this->db->query($sql);
    		} else { 
    			$sql="update dataorder set status=2 where status=1 and userid=? and id=?";
    			$this->db->query($sql,array($userid,(int)$apply));
    		}    			
    	} elseif ($finish) {
    		if ($finish=='all') {
    			$sql=$this->db->quoteInto("update dataorder set ts_approved=now() where status=0 and userid=?",$userid);
    			$this->db->query($sql);
    			$sql="update ftpuser set datacount=0 where userid=?";
    			$this->db->query($sql,array($userid)); 
    		} else {
    			$sql="update dataorder set ts_approved=now() where status=0 and userid=? and id=?";
    			$this->db->query($sql,array($userid,(int)$finish));    			
    			$sql="update ftpuser set datacount=datacount-1 where userid=?";
    			$this->db->query($sql,array($userid)); 
    		}
    	} elseif ($cancel) {
    		if ($cancel=='all') {
    			$sql=$this->db->quoteInto("update dataorder set ts_approved=now(),status=-1 where status=0 and userid=?",$userid);
    			$this->db->query($sql);
    			$sql="update ftpuser set datacount=0 where userid=?";
    			$this->db->query($sql,array($userid)); 
    		} else {
    			$sql="update dataorder set ts_approved=now(),status=-1 where status=0 and userid=? and id=?";
    			$this->db->query($sql,array($userid,(int)$cancel));    			
    			$sql="update ftpuser set datacount=datacount-1 where userid=?";
    			$this->db->query($sql,array($userid)); 
    		}
    	} elseif ($pdf) {
    		//生成PDF离线申请文件
    		//用户信息可以从SESSION中读取？离线申请信息
    		//$sql="select * from users where id=?";
    		$sql="select m.title||'('||m.filesize::text||'MB)' as title from dataorder d left join metadata m on d.uuid=m.uuid where d.status=2 and d.userid=? order by d.ts_created desc";
    		$rows=$this->db->fetchAll($sql,array($userid));
    		if ($rows) {
    			$this->view->data2=$rows;
    			$this->view->form=new OfflinePdfForm();
    			
    			$this->_helper->viewRenderer('pdf');
				if ($this->_request->isPost()) {
					$formData = $this->_request->getPost();
					$datalist='';
					foreach($rows as $i=>$row) $datalist.=($i+1).". ".$row['title'].";";
					$formData['datalist']=$datalist;
					if ($this->view->form->isValid($formData)) {						
						if (@$formData['save']) {
							//保存
							//根据pdflink字段，以判断是否已经提交
							//在数据库中创建rules，在更新offlineapp表时同时更新users表中对应的信息
							$sql="select id from offlineapp where userid=? and (pdflink is null or pdflink='') and (ts_approved is null)";
							$row=$this->db->fetchRow($sql,array($userid));
							if ($row) {
								$sql="update offlineapp set username=?,email=?,phone=?,address=?,postcode=?,project=?,unit=?,datalist=?,ts_created=now() where id=?";
								$this->db->query($sql,array($formData['realname'],$formData['email'],$formData['phone'],$formData['address'],$formData['postcode'],$formData['project'],$formData['unit'],$datalist,$row['id']));
							} else {
								$sql="insert into offlineapp (userid,username,email,phone,address,postcode,project,unit,datalist) values(?,?,?,?,?,?,?,?,?)";
								$this->db->query($sql,array($userid,$formData['realname'],$formData['email'],$formData['phone'],$formData['address'],$formData['postcode'],$formData['project'],$formData['unit'],$datalist));
							}
							$this->_helper->layout->disableLayout();
							$this->_helper->viewRenderer->setNoRender();
							//生成PDF
							$pdf = new ApplicantPDF();
							$pdf->template=$this->view->config->offline->template;
							$pdf->data = $formData;
							$pdf->drawWestdc();
							header("Content-Disposition: inline; filename=result.pdf");
							header("Content-Type:application/pdf");
							//header("Content-Length: " . strlen($pdfstring));
							echo $pdf->Output('westdc-data-apply.pdf','S');
							die();
							//exit;
						} elseif ($formData['submit']) {
							//提交
							//生成PDF
							$pdf = new ApplicantPDF();
							$pdf->template=$this->view->config->offline->template;
							$pdf->data = $formData;
							$pdf->drawWestdc();
						
							$fn=$formData['realname'].date('YmdHis').".pdf";
							$pdf->Output($this->view->config->offline->savepath."/".$fn, 'F');

							//保存到数据库
							$sql="select id from offlineapp where userid=? and pdflink is null and (ts_approved is null)";
							$row=$this->db->fetchRow($sql,array($userid));
							if ($row) {
								$sql="update offlineapp set username=?,email=?,phone=?,address=?,postcode=?,project=?,unit=?,datalist=?,ts_created=now(),pdflink=? where id=?";
								$this->db->query($sql,array($formData['realname'],$formData['email'],$formData['phone'],$formData['address'],$formData['postcode'],$formData['project'],$formData['unit'],$datalist,$fn,$row['id']));
							} else {
								$sql="insert into offlineapp (userid,username,email,phone,address,postcode,project,unit,datalist,pdflink) values(?,?,?,?,?,?,?,?,?,?)";
								$this->db->query($sql,array($userid,$formData['realname'],$formData['email'],$formData['phone'],$formData['address'],$formData['postcode'],$formData['project'],$formData['unit'],$datalist,$fn));
							}
							$sql="update dataorder set status=3 where status=2 and userid=?";
							$this->db->query($sql,array($userid));
							
							//发送用户邮件进行信息提示和说明
							//$mail = new Zend_Mail('utf-8');
							$mail = new WestdcMailer($this->view->config->smtp);
							$body=file_get_contents($this->view->config->offline->email->template);
							$body=str_replace("[username]",$formData['realname'],$body);
							$body=str_replace("[datalist]",str_replace(";","\n",$datalist),$body);
							$mail->setBodyText($body);
							$mail->addTo($formData['email']);
							$mail->setSubject('您在西部数据中心进行的离线申请');
							$mail->addHeader('Reply-To', $this->view->config->service->email);
							$mail->setFrom($this->view->config->service->email,'西部数据中心服务组'); 
							$attach=$mail->createAttachment($pdf->Output('applicant','S'));
							$attach->filename='数据申请-'.$formData['realname'].'.pdf';
				/*$tr=new Zend_Mail_Transport_Smtp($this->view->config->smtp->host,
					array('ssl' => $this->view->config->smtp->ssl,
					'auth'=>$this->view->config->smtp->auth,
					'username'=>$this->view->config->smtp->username,
					'password'=>$this->view->config->smtp->password));
    			$mail->send($tr);*/
    						$mail->send();

							//跳转到/data/order，并提示帮助信息，告知用户已经发送EMAIL
    					  	$this->messenger->addMessage('提示信息：您的离线申请已经提交，系统已经发送一封邮件给您，请打印出申请表并签字后邮寄给西部数据中心服务组，具体信息请参考邮件说明。');
    					  	$this->_redirect('/data/order');
						}
					}
				} else {
    				$sql="select u.*,o.postcode from users u left join offlineapp o on u.id=o.userid where u.id=?";
    				$row=$this->db->fetchRow($sql,array($userid));
    				/*$row=$ut->fetchRow('id='.$userid);
    				$formData['email']=$row->email;
    				$formData['phone']=$row->phone;
    				$formData['realname']=$row->realname;
    				$formData['unit']=$row->unit;
    				$formData['address']=$row->address;
    				$formData['purpose']=$row->project;
    				$formData['id']=$row->id;*/
    				$this->view->form->populate($row);				
				}
			} else 
    			$this->view->msg="错误：您还没有提交任何离线申请的数据，或您的数据申请已经正式提交（等待处理过程中）！";
    	}
    	//显示已经申请的数据，包括已经提交的申请和未提交的申请，还有已经处理完成的申请，正在进行的在线数据下载
    	$sql="select d.*,m.title,m.datatype from dataorder d left join metadata m on d.uuid=m.uuid where (d.status>0 or (d.status=0 and (d.ts_approved is null))) and d.userid=? order by d.status,d.ts_created desc";
    	$rows=$this->db->fetchAll($sql,array($userid));
    	foreach($rows as $row) {
    		switch ($row['status']){
    		case 0:
    			$dataorder0[]=$row;
    			break;
    		case 1:
    			$dataorder1[]=$row;
    			break;
    		case 2:
    		case 3:
    		case 4:
    		case 5:
    			$dataorder2[]=$row;
    			break;
    		default:
    			$dataorder3[]=$row;
    			break;
    		}
    	}
    	@$this->view->dataorder0=$dataorder0;   	
    	@$this->view->dataorder1=$dataorder1;
    	@$this->view->dataorder2=$dataorder2;
    	@$this->view->dataorder3=$dataorder3;
    }
    /*
    * 查看数据缩略图
    */
    function thumbAction()
    {
		$id = (int)$this->_request->getParam('id');
		if ($id>0) {
			$md=new ThumbnailTable();
			$thumb=$md->fetchRow('id='.$id);
			$this->_helper->layout->disableLayout();
			$this->_helper->viewRenderer->setNoRender();
			if (empty($thumb->data)) {
				header("Content-Type:image/png");
				header("Content-Length: " . filesize("images/nothumb.png"));
				$file=fopen("images/nothumb.png",'r');
				fpassthru($file);
				exit;
			} else {
				header("Content-Type:image/".$thumb->filetype);
				print base64_decode($thumb->data);
			}				
		}
    }

    /*
    * 西部计划项目及其数据产出
    */    
    public function westeeAction()
    {
		//$sql="select w.*,m.uuid from westee w left join westeemd m on w.id=m.eeid order by w.id";
		$sql="select * from westee order by id";
		$this->view->westee=$this->db->fetchAll($sql);
		$sql="select w.eeid,m.title,m.uuid from westeemd w left join metadata m on w.uuid=m.uuid order by w.eeid";
		$this->view->westeemd=$this->db->fetchAll($sql); 
    } 

    public function pingbackAction()
    {
        $this->_helper->ViewRenderer->setNoRender();
        $this->_helper->layout->disableLayout();
        $server = new Zend_XmlRpc_Server();
        $server->setClass('PingbackRpc', 'pingback');
        echo $server->handle();
    }       

    public function pingtestAction()
    {
		$this->_helper->ViewRenderer->setNoRender();
		$this->_helper->layout->disableLayout();
		$client = new Zend_XmlRpc_Client('http://test.westgis.ac.cn/data/pingback');
		$arg1 = 'http://wlx.westgis.ac.cn/567/';
		$arg2 = 'http://test.westgis.ac.cn/data/487591d0-d437-4114-b810-cbef7c4ee4b2';
		//$result = $client->call('pingback.ping', array($arg1, $arg2));
		$test  = $client->getProxy('pingback');
		$test->ping($arg1,$arg2); 
		//var_dump($result);
    }
    public function outputAction()
    {
			$this->_helper->layout->disableLayout();
			$this->_helper->viewRenderer->setNoRender();
			$sql="select title,datatype,filesize,id from metadata";
			$md=$this->db->fetchAll($sql);
			foreach($md as $m)
			{
				print $m["title"].",";
				print ($m["datatype"]?"内部":"公开").",";
				print ($m["filesize"]==1?" ":$m["filesize"]).",";
				$sql1="select keyword from keyword where id=".$m["id"]." and keytype='place'";
				$kd=$this->db->fetchAll($sql1);
				foreach ($kd as $p) print $p["keyword"]." ";
				print ",";
				$sql1="select keyword from keyword where id=".$m["id"]." and keytype='temporal'";
				$kd=$this->db->fetchAll($sql1);
				foreach ($kd as $p) print $p["keyword"]." ";
				print ",";				
				print "<br>";
			}
				 
    }
    
 	/**
	 * parse the wiki syntax used to render tables, code from mediawiki
	 *
	 * @private
	 */
	function parseTable ( $text ) {
		$lines = explode ( "\n" , $text );
		$td_history = array (); // Is currently a td tag open?
		$last_tag_history = array (); // Save history of last lag activated (td, th or caption)
		$tr_history = array (); // Is currently a tr tag open?
		$tr_attributes = array (); // history of tr attributes
		$has_opened_tr = array(); // Did this table open a <tr> element?
		$indent_level = 0; // indent level of the table
		foreach ( $lines as $key => $line )
		{
			$line = trim ( $line );

			if( $line == '' ) { // empty line, go to next line
				continue;
			}
			$first_character = $line{0};
			$matches = array();

			if ( preg_match( '/^(:*)\{\|(.*)$/' , $line , $matches ) ) {
				// First check if we are starting a new table
				$indent_level = strlen( $matches[1] );

				$lines[$key] = str_repeat( '<dl><dd>' , $indent_level ) . "<table{$attributes}>";
				array_push ( $td_history , false );
				array_push ( $last_tag_history , '' );
				array_push ( $tr_history , false );
				array_push ( $tr_attributes , '' );
				array_push ( $has_opened_tr , false );
			} else if ( count ( $td_history ) == 0 ) {
				// Don't do any of the following
				continue;
			} else if ( substr ( $line , 0 , 2 ) == '|}' ) {
				// We are ending a table
				$line = '</table>' . substr ( $line , 2 );
				$last_tag = array_pop ( $last_tag_history );

				if ( !array_pop ( $has_opened_tr ) ) {
					$line = "<tr><td></td></tr>{$line}";
				}

				if ( array_pop ( $tr_history ) ) {
					$line = "</tr>{$line}";
				}

				if ( array_pop ( $td_history ) ) {
					$line = "</{$last_tag}>{$line}";
				}
				array_pop ( $tr_attributes );
				$lines[$key] = $line . str_repeat( '</dd></dl>' , $indent_level );
			} else if ( substr ( $line , 0 , 2 ) == '|-' ) {
				// Now we have a table row
				$line = preg_replace( '#^\|-+#', '', $line );

				$line = '';
				$last_tag = array_pop ( $last_tag_history );
				array_pop ( $has_opened_tr );
				array_push ( $has_opened_tr , true );

				if ( array_pop ( $tr_history ) ) {
					$line = '</tr>';
				}

				if ( array_pop ( $td_history ) ) {
					$line = "</{$last_tag}>{$line}";
				}

				$lines[$key] = $line;
				array_push ( $tr_history , false );
				array_push ( $td_history , false );
				array_push ( $last_tag_history , '' );
			}
			else if ( $first_character == '|' || $first_character == '!' || substr ( $line , 0 , 2 )  == '|+' ) {
				// This might be cell elements, td, th or captions
				if ( substr ( $line , 0 , 2 ) == '|+' ) {
					$first_character = '+';
					$line = substr ( $line , 1 );
				}

				$line = substr ( $line , 1 );

				if ( $first_character == '!' ) {
					$line = str_replace ( '!!' , '||' , $line );
				}

				// Split up multiple cells on the same line.
				// FIXME : This can result in improper nesting of tags processed
				// by earlier parser steps, but should avoid splitting up eg
				// attribute values containing literal "||".
				$cells = explode( '||' , $line );

				$lines[$key] = '';

				// Loop through each table cell
				foreach ( $cells as $cell )
				{
					$previous = '';
					if ( $first_character != '+' )
					{
						$tr_after = array_pop ( $tr_attributes );
						if ( !array_pop ( $tr_history ) ) {
							$previous = "<tr{$tr_after}>\n";
						}
						array_push ( $tr_history , true );
						array_push ( $tr_attributes , '' );
						array_pop ( $has_opened_tr );
						array_push ( $has_opened_tr , true );
					}

					$last_tag = array_pop ( $last_tag_history );

					if ( array_pop ( $td_history ) ) {
						$previous = "</{$last_tag}>{$previous}";
					}

					if ( $first_character == '|' ) {
						$last_tag = 'td';
					} else if ( $first_character == '!' ) {
						$last_tag = 'th';
					} else if ( $first_character == '+' ) {
						$last_tag = 'caption';
					} else {
						$last_tag = '';
					}

					array_push ( $last_tag_history , $last_tag );

					// A cell could contain both parameters and data
					$cell_data = explode ( '|' , $cell , 2 );

					// Bug 553: Note that a '|' inside an invalid link should not
					// be mistaken as delimiting cell parameters
					if ( strpos( $cell_data[0], '[[' ) !== false ) {
						$cell = "{$previous}<{$last_tag}>{$cell}";
					} else if ( count ( $cell_data ) == 1 )
						$cell = "{$previous}<{$last_tag}>{$cell_data[0]}";
					else {
						$cell = "{$previous}<{$last_tag}>{$cell_data[1]}";
					}

					$lines[$key] .= $cell;
					array_push ( $td_history , true );
				}
			}
		}

		// Closing open td, tr && table
		while ( count ( $td_history ) > 0 )
		{
			if ( array_pop ( $td_history ) ) {
				$lines[] = '</td>' ;
			}
			if ( array_pop ( $tr_history ) ) {
				$lines[] = '</tr>' ;
			}
			if ( !array_pop ( $has_opened_tr ) ) {
				$lines[] = "<tr><td></td></tr>" ;
			}

			$lines[] = '</table>' ;
		}

		$output = implode ( "\n" , $lines ) ;
		
		//@todo:移除<table></table>中所有的换行符
		//可能存在问题
		$output=preg_replace('/([a-zA-Z])>\n/m','$1>',$output);
		$output=preg_replace('/\n<\//m','</',$output);
		
		// special case: don't return empty table
		if( $output == "<table>\n<tr><td></td></tr>\n</table>" ) {
			$output = '';
		}

		return $output;
	}

}