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phpcms文章怎么筛选分类

晓霜2025-05-04phpcms教程已有人查阅

导读phpcms文章筛选分类的方法：首先，用下面这些代码替换掉phpcms/libs/functions/extention.func.php的内容

phpcms文章筛选分类的方法：首先，用下面这些代码替换掉phpcms/libs/functions/extention.func.php的内容

<?php
/**
*  extention.func.php 用户自定义函数库
*
* @copyright           (C) 2005-2010 PHPCMS
* @license             http:// .phpcms.cn/license/
* @lastmodify          2010-10-27
*/
/**
* 通过指定keyid形式显示所有联动菜单
* @param  $keyid 菜单主id
* @param  $linkageid  联动菜单id,0调用 高级
* @param  $modelid 模型id
* @param  $fieldname  字段名称
*/
function show_linkage($keyid, $linkageid = 0, $modelid = &#39;&#39;, $fieldname=&#39;zone&#39;) {
$datas = $infos = $array = array();
$keyid = intval($keyid);
$linkageid = intval($linkageid);
//当前菜单id
$field_value = intval($_GET[$fieldname]);
$urlrule = structure_filters_url($fieldname,$array,1,$modelid);
if($keyid == 0) return false;
$datas = getcache($keyid,&#39;linkage&#39;);
$infos = $datas[&#39;data&#39;];
foreach($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>'.$v['name'].'</a>' ;
}
}
return $array;
}
/**
* 构造筛选URL
*/
function structure_filters_url($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($fields) &amp;&amp; !empty($fields)) {
ksort($fields);
foreach ($fields as $_v=&gt;$_k) {
if($_k['filtertype'] || $_k['rangetype']) {
if(strpos(URLRULE,'.html') === FALSE) $urlpars .= '&amp;'.$_v.'={$'.$_v.'}';
else $urlpars .= '-{$'.$_v.'}';
}
}
}
//后期增加伪静态等其他url规则管理，apache伪静态支持9个参数
if(strpos(URLRULE,'.html') === FALSE) $urlrule =APP_PATH.'index.php?m=content&amp;c=index&amp;a=lists&amp;catid={$catid}'.$urlpars.'&amp;page={$page}' ;
else $urlrule =APP_PATH.'list-{$catid}'.$urlpars.'-{$page}.html';
//根据get传值构造URL
if (is_array($array)) foreach ($array as $_k=&gt;$_v) {
if($_k=='page') $_v=1;
if($type == 1) if($_k==$fieldname) continue;
$_findme[] = '/{\$'.$_k.'}/';
$_replaceme[] = $_v;
}
//type 模式的时候，构造排除该字段名称的正则
if($type==1) $filter = '(?!'.$fieldname.'.)';
$_findme[] = '/{\$'.$filter.'([a-z0-9_]+)}/';
$_replaceme[] = '';
$urlrule = preg_replace($_findme, $_replaceme, $urlrule);
return         $urlrule;
}
/**
* 生成分类信息中的筛选菜单
* @param $field   字段名称
* @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=&gt;$k),2,$modelid);
$option[$k]['menu'] = $field_value == $k ? '<em>'.$v[0].'</em>' : '<a>'.$v[0].'</a>' ;
}
$all['name'] = ' 基本';
$all['url'] = structure_filters_url($field,array($field=&gt;''),2,$modelid);
$all['menu'] = $field_value == '' ? '<em>'.$all['name'].'</em>' : '<a>'.$all['name'].'</a>';
array_unshift($option,$all);
return $option;
}
/**
* 获取联动菜单层级
* @param  $keyid     联动菜单分类id
* @param  $linkageid 菜单id
* @param  $leveltype 获取类型 parentid 获取父级id child 获取时候有子栏目 arrchildid 获取子栏目数组
*/
function get_linkage_level($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][$leveltype];
}
}
}
// 根据linkageid递归到父级
function get_parent_url($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'=&gt; $infos[$linkageid]['name'],'url'=&gt;$urlrule));
if($infos[$linkageid]['parentid']){
return get_parent_url($modelid,$field,$infos[$linkageid]['parentid'],$array);
}
return $array;
}
/**
* 构造筛选时候的sql语句
*/
function structure_filters_sql($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 $k=&gt;$r) {
if(in_array($k,$fields_key) &amp;&amp; intval($r)!=0 &amp;&amp; ($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` &gt;= '$min' AND  `$k`

然后，内容--模型管理--选择一个模型添加新字段，如图。
最后，在要调用产品筛选的栏目模板页添加标签，如下。

<span>性别：</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"}
{loop $data $r}@@##@@{str_cut($r[title],28)}
{/loop}
{$pages}
{/pc}