实现高级搜索功能。
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1c77aaea35
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57697afa39
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@ -397,33 +397,29 @@ class DataController extends Zend_Controller_Action
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$this->view->addHelperPath('helper','Zend_View_Helper_');
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$form=new SearchForm();
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$this->view->form=$form;
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$form->submit->setLabel('快速搜索');
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if ($this->_request->isPost()) {
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$formData=$this->_request->getPost();
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include_once("bcspamblock.php");
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if (bcspamblock_verify() && $form->isValid($formData)) {
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$page=@(int)$formData['page'];
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//$form->submit->setLabel('快速搜索');
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$key=$this->_request->getParam('q');
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if (!empty($key)) {
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//$formData=$this->_request->getPost();
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//include_once("bcspamblock.php");
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//if ($form->isValid($formData)) {
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$page=@(int)$this->_request->getParam('page');
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if (empty($page)) $page=1;
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$limit=10;
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$offset=$limit*($page-1);
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$key=$formData['q'];
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if (!empty($key)) {
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$md=new MetadataTable();
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$db=$md->getAdapter();
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$sql=$db->quoteInto('select count(*) from metadata where title ilike ? or description ilike ?','%'.$key.'%','%'.$key.'%');
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$sql=$db->quoteInto('select count(*) from metadata where title ilike ? or description ilike ?','%'.$key.'%');
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$state=$db->query($sql);
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$row=$state->fetchAll();
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$sum=$row[0]['count'];
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$select=$db->select();
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$select->from('metadata','*')->where('title ilike ? or description ilike ?','%'.$key.'%','%'.$key.'%')->order('id desc')->limit($limit,$offset);
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$select->from('metadata','*')->where('title ilike ? or description ilike ?','%'.$key.'%')->order('id desc')->limit($limit,$offset);
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$this->view->metadata = $db->fetchAll($select);
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$this->view->page=new Pagination($sum,$page);
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$this->view->key=$key;
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}
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}
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} else {
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}
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}
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/*
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@ -431,25 +427,44 @@ class DataController extends Zend_Controller_Action
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*/
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function advancesearchAction()
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{
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$this->view->addHelperPath('helper','Zend_View_Helper_');
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$form=new SearchForm();
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$this->view->form=$form;
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$md=new MetadataTable();
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$db=$md->getAdapter();
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$page=(int)$this->_request->getParam('page');
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if (empty($page)) $page=1;
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$limit=10;
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$offset=$limit*($page-1);
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$key=$this->_request->getParam('key');
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$searchtype=$this->_request->getParam('type');
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if (!empty($key)) {
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$sql=$db->quoteInto('select count(*) from metadata where title ilike ? or description ilike ?','%'.$key.'%','%'.$key.'%');
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$state=$db->query($sql);
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$row=$state->fetchAll();
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$key=$this->_request->getParam('q');
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$n=(int)$this->_request->getParam('n');
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$s=(int)$this->_request->getParam('s');
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$e=(int)$this->_request->getParam('e');
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$w=(int)$this->_request->getParam('w');
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if (!(empty($n) && empty($key))) {
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if (empty($n)) $n=90;
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if (empty($s)) $s=-90;
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if (empty($e)) $e=180;
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if (empty($w)) $w=-180;
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$start=$this->_request->getParam('start');
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$end=$this->_request->getParam('end');
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if (!empty($key)) {
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$sql='select count(*) from metadata where east<? and west>? and north<? and south>? and (title ilike ? or description ilike ?)';
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$row=$db->fetchAll($sql,array($e,$w,$n,$s,'%'.$key.'%','%'.$key.'%'));
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} else {
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$sql='select count(*) from metadata where east<? and west>? and north<? and south>?';
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$row=$db->fetchAll($sql,array($e,$w,$n,$s));
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}
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$sum=$row[0]['count'];
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$select=$db->select();
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$select->from('metadata','*')->where('title ilike ? or description ilike ?','%'.$key.'%','%'.$key.'%')->order('id desc')->limit($limit,$offset);
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$select->from('metadata','*')->where('east<?',$e)->where('west>?',$w)->where('north<?',$n)->where('south>?',$s);
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if (!empty($key)) $select->where('(title ilike ? or description ilike ?)','%'.$key.'%');
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$select->order('id desc')->limit($limit,$offset);
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$this->view->metadata = $db->fetchAll($select);
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$this->view->page=new Pagination($sum,$page);
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$this->view->key=$key;
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}
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$this->view->key=$key;
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}
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}
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/*
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* 根据id或uuid来查看元数据
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@ -0,0 +1,108 @@
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<?php
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$this->headTitle($this->config->title->site);
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$this->headTitle($this->config->title->data);
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$this->headTitle('高级搜索');
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if (!empty($this->codename)) $this->headTitle($this->codename);
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$this->headTitle()->setSeparator(' - ');
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$this->headLink()->appendStylesheet('/css/metadata.css');
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$this->headLink()->appendStylesheet('/css/search.css');
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$this->breadcrumb('<a href="/">首页</a>');
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$this->breadcrumb('<a href="/data">'.$this->config->title->data.'</a>');
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$this->breadcrumb('高级搜索');
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$this->breadcrumb()->setSeparator(' > ');
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?>
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<div id='tools'>
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<?= $this->partial('data/tools.phtml'); ?>
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</div>
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<?php echo $this->form; ?>
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<a href="/data/advancesearch">高级搜索</a>
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<?php if (!empty($this->metadata)) : ?>
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<?php echo $this->page->getNavigation();
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foreach($this->metadata as $md) : ?>
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<hr />
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<div class="mditem">
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<div class="thumb"><img src="/data/thumb/id/<?php echo $md['id'];?>" /></div>
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<h2><a href="/data/<?php echo $md['uuid'];?>"><?php echo $this->escape($md['title']);?></a>
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</h2>
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<span><?php echo mb_strlen($md['description'])>400?$this->escape(mb_substr($md['description'],0,400,'UTF-8').'...'):$this->escape($md['description']);?></span>
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</div>
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<?php endforeach; ?>
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<hr />
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<?php echo $this->page->getNavigation();?>
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<?php else: ?>
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<script src='http://maps.google.com/maps?file=api&v=2&key=ABQIAAAACD-MqkkoOm60o_dvwdcKVhThiRESR0xRCe9JKd36EL3glTk0OxTsRzifkUWmTTrYWaE7dY1lYUlGxA'></script>
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<script src="/js/dragzoom.js" type="text/javascript"></script>
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<div id="map"></div>
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<div id="spatial">
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<form id="search" enctype="application/x-www-form-urlencoded" action="/data/advancesearch" method="post">
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<!--<fieldset><legend>时间范围</legend><ul>
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<li><span>开始时间:</span>
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<input name="start" type="text" id="start" />
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</li>
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<li><span>结束时间:</span>
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<input name="end" type="text" id="end" />
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</li></ul></fieldset>-->
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<fieldset><legend>空间范围</legend><ul>
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<li><span>东:</span>
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<input name="e" id="e" type="text" /></li>
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<li><span>南:</span>
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<input name="s" id="s" type="text" /></li>
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<li><span>西:</span>
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<input name="w" id="w" type="text" /></li>
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<li><span>北:</span>
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<input name="n" id="n" type="text" /></li></ul></fieldset>
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<span>关键词:</span><input name="q" id="q" type="text" />
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<input id="search" type="submit" value="搜索" onclick="dosubmit()" />
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</form>
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</div>
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<script type="text/javascript">
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function dosubmit()
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{
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theForm.action="/data/advancesearch";
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}
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</script>
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<script type="text/javascript">
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var map = new GMap2(document.getElementById("map"));
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map.setCenter(new GLatLng(36, 103.5, 5));
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map.addControl(new GSmallMapControl());
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map.addControl(new GMapTypeControl());
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map.setMapType(G_HYBRID_MAP);
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var txte=document.getElementById("e");
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var txtw=document.getElementById("w");
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var txtn=document.getElementById("n");
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var txts=document.getElementById("s");
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/* first set of options is for the visual overlay.*/
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var boxStyleOpts = {
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opacity: .2,
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border: "2px solid red"
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}
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/* second set of options is for everything else */
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var otherOpts = {
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buttonHTML: "<img src='/images/zoom-button.gif' />",
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buttonZoomingHTML: "<img src='/images/zoom-button-activated.gif' />",
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buttonStartingStyle: {width: '24px', height: '24px'}
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};
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/* third set of options specifies callbacks */
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var callbacks = {
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dragend: function(nw,ne,se,sw,nwpx,nepx,sepx,swpx){txte.value=ne.lng();txtn.value=ne.lat();txts.value=sw.lat();txtw.value=sw.lng();}
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};
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map.addControl(new DragZoomControl(boxStyleOpts, otherOpts, callbacks));
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</script>
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<div id="help">
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<fieldset><legend>搜索说明</legend><ul><li>关键词:您可以使用一个关键词,比如"沙漠",也可以使用多个关键词,中间用空格分开。</li>
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<li>空间范围:这是以度为单位的十进制数字。比如,东经125读30分,可以输入为125.5。您也可以通过下面的在线地图工具直接在图上拉框选择一个范围,空间坐标会自动转换到文本框中。</li>
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<li>时间范围:指数据的时间范围,从开始时间到结束时间,若结束时间不填,则是一个时间点。时间格式为YYYY-MM-DD。</li>
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<li>还不清楚?您可以到<a href="http://forum.westgis.ac.cn/viewforum.php?f=30">论坛</a>提问。</li>
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</ul></fieldset>
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</div>
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<?php endif; ?>
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@ -26,4 +26,7 @@ foreach($this->metadata as $md) : ?>
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</h2>
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<span><?php echo mb_strlen($md['description'])>400?$this->escape(mb_substr($md['description'],0,400,'UTF-8').'...'):$this->escape($md['description']);?></span>
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</div>
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<?php endforeach; endif?>
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<?php endforeach; ?>
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<hr />
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<?php echo $this->page->getNavigation();?>
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<?php endif; ?>
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@ -13,15 +13,10 @@ class SearchForm extends Zend_Form
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->addFilter('StringTrim')
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->addValidator('NotEmpty');
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$spam=new element_bcSpamBlock('spam');
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$spam->addPrefixPath('Validator','validator/','validate')
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->addValidator('SpamBlock');
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$id = new Zend_Form_Element_Hidden('id');
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$submit = new Zend_Form_Element_Submit('submit');
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$submit->setLabel('搜索');
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$this->addElements(array($q,$submit,$spam,$id));
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$this->addElements(array($q,$submit));
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$this->clearDecorators();
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$this->addDecorator('FormElements')
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->addDecorator('HtmlTag', array('tag' => '<ul>'))
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