phpcms文章篩選分類的方法：
首先，用下面這些代碼替換掉phpcms/libs/functions/extention.func.php的內容
<?php
/**
* extention.func.php 用戶自定義函數庫
*
* @copyright (C) 2005-2010 PHPCMS
* @license http://www.phpcms.cn/license/
* @lastmodify 2010-10-27
*/
/**
* 通過指定keyid形式顯示所有聯動菜單
* @param $keyid 菜單主id
* @param $linkageid 聯動菜單id,0調用頂級
* @param $modelid 模型id
* @param $fieldname 字段名稱
*/
function show_linkage($keyid, $linkageid = 0, $modelid = '', $fieldname='zone') {
$datas = $infos = $array = array();
$keyid = intval($keyid);
$linkageid = intval($linkageid);
//當前菜單id
$field_value = intval($_GET[$fieldname]);
$urlrule = structure_filters_url($fieldname,$array,1,$modelid);
if($keyid == 0) return false;
$datas = getcache($keyid,'linkage');
$infos = $datas['data'];
foreach($infos as $k=>$v){
if($v['parentid']==$field_value){
$array[$k]['name'] = $v['name'];
$array[$k]['value'] = $k;
$array[$k]['url'] = str_replace('{'.$fieldname.'}',$k,$urlrule);
$array[$k]['menu'] = $field_value == $k ? '<em>'.$v['name'].'</em>' : '<a href='.$array[$k]['url'].'>'.$v['name'].'</a>' ;
}
}
return $array;
}
/**
* 構造篩選URL
*/
function structure_filters_url($fieldname,$array=array(),$type = 1,$modelid) {
if(empty($array)) {
$array = $_GET;
} else {
$array = array_merge($_GET,$array);
}
// TODO
$fields = getcache('model_field_'.$modelid,'model');
if(is_array($fields) && !empty($fields)) {
ksort($fields);
foreach ($fields as $_v=>$_k) {
if($_k['filtertype'] || $_k['rangetype']) {
if(strpos(URLRULE,'.html') === FALSE) $urlpars .= '&'.$_v.'={$'.$_v.'}';
else $urlpars .= '-{$'.$_v.'}';
}
}
}
//后期增加偽靜態等其他url規則管理，apache偽靜態支持9個參數
if(strpos(URLRULE,'.html') === FALSE) $urlrule =APP_PATH.'index.php?m=content&c=index&a=lists&catid={$catid}'.$urlpars.'&page={$page}' ;
else $urlrule =APP_PATH.'list-{$catid}'.$urlpars.'-{$page}.html';
//根據get傳值構造URL
if (is_array($array)) foreach ($array as $_k=>$_v) {
if($_k=='page') $_v=1;
if($type == 1) if($_k==$fieldname) continue;
$_findme[] = '/{\$'.$_k.'}/';
$_replaceme[] = $_v;
}
//type 模式的時候，構造排除該字段名稱的正則
if($type==1) $filter = '(?!'.$fieldname.'.)';
$_findme[] = '/{\$'.$filter.'([a-z0-9_]+)}/';
$_replaceme[] = '';
$urlrule = preg_replace($_findme, $_replaceme, $urlrule);
return $urlrule;
}
/**
* 生成分類信息中的篩選菜單
* @param $field 字段名稱
* @param $modelid 模型ID
*/
function filters($field,$modelid,$diyarr = array()) {
$fields = getcache('model_field_'.$modelid,'model');
$options = empty($diyarr) ? explode("\n",$fields[$field]['options']) : $diyarr;
$field_value = intval($_GET[$field]);
foreach($options as $_k) {
$v = explode("|",$_k);
$k = trim($v[1]);
$option[$k]['name'] = $v[0];
$option[$k]['value'] = $k;
$option[$k]['url'] = structure_filters_url($field,array($field=>$k),2,$modelid);
$option[$k]['menu'] = $field_value == $k ? '<em>'.$v[0].'</em>' : '<a href='.$option[$k]['url'].'>'.$v[0].'</a>' ;
}
$all['name'] = '全部';
$all['url'] = structure_filters_url($field,array($field=>''),2,$modelid);
$all['menu'] = $field_value == '' ? '<em>'.$all['name'].'</em>' : '<a href='.$all['url'].'>'.$all['name'].'</a>';
array_unshift($option,$all);
return $option;
}
/**
* 獲取聯動菜單層級
* @param $keyid 聯動菜單分類id
* @param $linkageid 菜單id
* @param $leveltype 獲取類型 parentid 獲取父級id child 獲取時候有子欄目 arrchildid 獲取子欄目數組
*/
function get_linkage_level($keyid,$linkageid,$leveltype = 'parentid') {
$child_arr = $childs = array();
$leveltypes = array('parentid','child','arrchildid','arrchildinfo');
$datas = getcache($keyid,'linkage');
$infos = $datas['data'];
if (in_array($leveltype, $leveltypes)) {
if($leveltype == 'arrchildinfo') {
$child_arr = explode(',',$infos[$linkageid]['arrchildid']);
foreach ($child_arr as $r) {
$childs[] = $infos[$r];
}
return $childs;
} else {
return $infos[$linkageid][$leveltype];
}
}
}
// 根據linkageid遞歸到父級
function get_parent_url($modelid,$field,$linkageid=0,$array = array()){
$modelid = intval($modelid);
if(!$modelid || empty($field)) return false;
$fields = getcache('model_field_'.$modelid,'model');
$keyid = $fields[$field]['linkageid'];
$datas = getcache($keyid,'linkage');
$infos = $datas['data'];
if(empty($linkageid)){
$linkageid = intval($_GET[$field]);
if(!$linkageid) return false;
}
$urlrule = structure_filters_url($field,array(),1,$modelid);
$urlrule = str_replace('{$'.$field.'}',$infos[$linkageid]['parentid'],$urlrule);
array_unshift($array,array('name'=> $infos[$linkageid]['name'],'url'=>$urlrule));
if($infos[$linkageid]['parentid']){
return get_parent_url($modelid,$field,$infos[$linkageid]['parentid'],$array);
}
return $array;
}
/**
* 構造篩選時候的sql語句
*/
function structure_filters_sql($modelid) {
$sql = $fieldname = $min = $max = '';
$fieldvalue = array();
$modelid = intval($modelid);
$model = getcache('model','commons');
$fields = getcache('model_field_'.$modelid,'model');
$fields_key = array_keys($fields);
//TODO
$sql = '`status` = \'99\'';
foreach ($_GET as $k=>$r) {
if(in_array($k,$fields_key) && intval($r)!=0 && ($fields[$k]['filtertype'] || $fields[$k]['rangetype'])) {
if($fields[$k]['formtype'] == 'linkage') {
$datas = getcache($fields[$k]['linkageid'],'linkage');
$infos = $datas['data'];
if($infos[$r]['arrchildid']) {
$sql .= ' AND `'.$k.'` in('.$infos[$r]['arrchildid'].')';
}
} elseif($fields[$k]['rangetype']) {
if(is_numeric($r)) {
$sql .=" AND `$k` = '$r'";
} else {
$fieldvalue = explode('_',$r);
$min = intval($fieldvalue[0]);
$max = $fieldvalue[1] ? intval($fieldvalue[1]) : 999999;
$sql .=" AND `$k` >= '$min' AND `$k` < '$max'";
}
} else {
$sql .=" AND `$k` = '$r'";
}
}
}
return $sql;
}
/**
* 分頁，如去掉則分頁會有問題
*/
function makeurlrule() {
if(strpos(URLRULE,'.html') === FALSE) {
return url_par('page={$'.'page}');
} else {
$url = preg_replace('/-[0-9]+.html$/','-{$page}.html',get_url());
return $url;
}
}
?>然后，內容——模型管理——選擇一個模型添加新字段，如圖。
最后，在要調用產品篩選的欄目模板頁添加標簽 ，如下。
<span>性別：</span>
{loop filters('xingbie',$modelid) $r}
{$r[menu]}
{/loop}{php $sql = structure_filters_sql($modelid)}
{php $urlrule = makeurlrule()}
{pc:content action="lists" where="$sql" catid="$catid" num="10" order="id DESC" page="$page" urlrule="$urlrule"}
<ul class="photo-list picbig">
{loop $data $r}
<li>
<div class="img-wrap">
<a href="{$r[url]}"><img src="{thumb($r[thumb],150,112)}" width="150" height="112" alt="{$r[title]}"/></a>
</div>
<span style="color:{$r[style]}">{str_cut($r[title],28)}</span>
</li>
{/loop}
</ul>
<div id="pages" class="text-c">{$pages}</div>
{/pc}
