织梦默认的列表页没有筛选功能，但有时候我们做产品列表页的时候，产品的字段比较多，很多人都需要用到筛选功能，这样可以让用户更方便的找到自己所需要的东西，实现这个联动筛选功能需要对织梦进行二次开发，下面就告诉大家如何对织梦进行二次开发实现这个很多人都需要的筛选功能，如下图所示：
![织梦DedeCMS二次开发联动筛选功能的完美实现（含多选功能）]() TABLE|TBODY|object|tr|td|st1:chsdate|FONT|span|MARQUEE|body|title| |link|meta|?|%)([^>]*?)>/isU",
"/(<[^>]*)on[a-zA-Z]+s*=([^>]*>)/isU",
);
$tarr = array(" ",
"",
"",
);
$str = preg_replace($farr, $tarr, $str);
$str = str_replace(
array( "<", ">", "'", """, ";", "/*", "*", "../", "./"),
array("<",">","","","","","","",""),
$str);
}
return $str;
}
/**
* 载入自定义表单(用于发布)
*
* @access public
* @param string $fieldset 字段列表
* @param string $loadtype 载入类型
* @return string
*/
function AddFilter($channelid, $type=1, $fieldsnamef, $defaulttid, $loadtype='autofield')
{
global $tid,$dsql,$id;
$tid = $defaulttid ? $defaulttid : $tid;
if ($id!="")
{
$tidsq = $dsql->GetOne(" Select typeid From `dede_archives` where id='$id' ");
$tid = $tidsq["typeid"];
}
$nofilter = (isset($_REQUEST['TotalResult']) ? "&TotalResult=".$_REQUEST['TotalResult'] : '').(isset($_REQUEST['PageNo']) ? "&PageNo=".$_REQUEST['PageNo'] : '');
$filterarr = wwwcms_filter(stripos($_SERVER['REQUEST_URI'], "list.php?tid=") ? str_replace($nofilter, '', $_SERVER['REQUEST_URI']) : $GLOBALS['cfg_cmsurl']."/plus/list.php?tid=".$tid);
$cInfos = $dsql->GetOne(" Select * From `dede_channeltype` where id='$channelid' ");
$fieldset=$cInfos['fieldset'];
$dtp = new DedeTagParse();
$dtp->SetNameSpace('field','<','>');
$dtp->LoadSource($fieldset);
$dede_addonfields = '';
if(is_array($dtp->CTags))
{
foreach($dtp->CTags as $tid=>$ctag)
{
$fieldsname = $fieldsnamef ? explode(",", $fieldsnamef) : explode(",", $ctag->GetName());
if(($loadtype!='autofield' || ($loadtype=='autofield' && $ctag->GetAtt('autofield')==1)) && in_array($ctag->GetName(), $fieldsname) )
{
$href1 = explode($ctag->GetName().'=', $filterarr);
$href2 = explode('&', $href1[1]);
$fields_value = $href2[0];
$dede_addonfields .= '<div class="scv-shaixuan"><b>'.$ctag->GetAtt('itemname').'：</b>';
switch ($type) {
case 1:
$dede_addonfields .= (preg_match("/&".$ctag->GetName()."=/is",$filterarr,$regm) ? '<a title="全部" href="'.str_replace("&".$ctag->GetName()."=".$fields_value,"",$filterarr).'">全部</a>' : '<span>全部</span>').' ';
$addonfields_items = explode(",",$ctag->GetAtt('default'));
for ($i=0; $i<count($addonfields_items); $i++)
{
$href = stripos($filterarr,$ctag->GetName().'=') ? str_replace("=".$fields_value,"=".urlencode($addonfields_items[$i]),$filterarr) : $filterarr.'&'.$ctag->GetName().'='.urlencode($addonfields_items[$i]);//echo $href;
$dede_addonfields .= ($fields_value!=urlencode($addonfields_items[$i]) ? '<a title="'.$addonfields_items[$i].'" href="'.$href.'">'.$addonfields_items[$i].'</a>' : '<span>'.$addonfields_items[$i].'</span>')." ";
}
$dede_addonfields .= '</div>';
break;
case 2:
$dede_addonfields .= '<select name="filter"'.$ctag->GetName().' onchange="window.location=this.options[this.selectedIndex].value">
'.'<option value="'.str_replace("&".$ctag->GetName()."=".$fields_value,"",$filterarr).'">全部</option>';
$addonfields_items = explode(",",$ctag->GetAtt('default'));
for ($i=0; $i<count($addonfields_items); $i++)
{
$href = stripos($filterarr,$ctag->GetName().'=') ? str_replace("=".$fields_value,"=".urlencode($addonfields_items[$i]),$filterarr) : $filterarr.'&'.$ctag->GetName().'='.urlencode($addonfields_items[$i]);
$dede_addonfields .= '<option value="'.$href.'"'.($fields_value==urlencode($addonfields_items[$i]) ? ' selected="selected"' : '').'>'.$addonfields_items[$i].'</option>
';
}
$dede_addonfields .= '</select><br/>
';
break;
}
}
}
}
echo $dede_addonfields;
}
//联动筛选Over
|