php 无限级缓存的类的扩展_php技巧
/**
* 功能: 根据条件建立分类缓存减少类别使用
* 创建日期:Thu May 31 15:55:11 CST 2007
* 最后更新:
* 作者: sanshi
*/
class treeCache
{
var $tableName = "index_category"; //表名
var $where = "1"; //where条件
var $pidStr ="i_c_pid"; //pid 的字段名
var $tempCode = array(); //生成文件的数组
var $pid = '0'; //pid的初始值
var $db ; //数据库句柄
var $idStr="i_c_id"; //取得的数据id
var $title = "i_c_cn"; //名字字段
var $createArrayName = "treeCache"; //建立的数组名字
var $createFileName =""; //建立文件的名字
var $appendArr = array(); //附加的属性,需要字段名与数据里的名对应
var $is_utf8 = false;
function treeCache()
{
}
function set($db)
{
$this->db = $db;
$this->tempCode[] = "}
//取得所有的一级
function getRootID()
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$this->pid}' AND {$this->where} ";
//exit($sql);
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
$this->tempCode[] = "\${$this->createArrayName}['root']='".implode(',',$temp)."';";
//print_r($temp);
return $temp;
}
//取得子id
function getChildren($pid)
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$pid}' AND {$this->where} ";
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
return $temp;
}
//取得夫id
function getParent($cid)
{
$sql = "SELECT {$this->pidStr} FROM {$this->tableName} WHERE
{$this->idStr}='{$cid}' AND {$this->where} ";
$result = $this->db->select($sql);
//print_r($result);exit();
return $result[0]["{$this->pidStr}"];
}
//取得上级的id
function getPidStr($cid,$pidStr="")
{
$pid=$this->getParent($cid);
$temp = array();
while ($pid!=$this->pid && !emptyempty($pid)) {
$temp[] = $pid;
$pid=$this->getParent($pid);
}
//print_r($temp);
return implode(',',$temp);
}
//取得深度
function getDepth($cid,$depth=0)
{
$pid=$this->getParent($cid);
$depth++;
if( $pid != $this->pid && !emptyempty($pid))
$depth = $this->getDepth($pid,$depth);
return $depth;
}
//建立文件
function make()
{
if(emptyempty($this->createFileName))
$this->createFileName = "{$this->createArrayName}.data.php";
$rootArr = $this->getRootID();
$selectF = "{$this->idStr},{$this->title},{$this->pidStr}";
foreach ($this->appendArr as $app)
{
if(emptyempty($app)) continue;
$selectF .=",{$app}";
}
$sql = "SELECT {$selectF} FROM {$this->tableName} WHERE
{$this->where}";
$result = $this->db->select($sql);
for ($i=0;$i
//id值
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['id']='{$result[$i]["{$this->idStr}"]}';";
//标题
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['title']='{$result[$i]["{$this->title}"]}';";
//父id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pid']='{$result[$i]["{$this->pidStr}"]}';";
//子id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['cid']='".implode(',',$this->getChildren($result[$i]["$this->idStr"]))."';";
//目录深度
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['depth']='".$this->getDepth($result[$i]["$this->idStr"])."';";
//父id的id串
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pstr']='".$this->getPidStr($result[$i]["$this->idStr"])."';";
//添加的附加属性
foreach ($this->appendArr as $app)
{
if(emptyempty($app)) continue;
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['{$app}']='{$result[$i]["{$app}"]}';";
}
}
$this->tempCode[] = "return \${$this->createArrayName};";
$this->tempCode[] = "?>";
//$content = implode("\n",$this->tempCode);
//print_r($this->tempCode);
$content = implode("\n",$this->tempCode);
//建立文件
$fio=Factory::getBaseClass('FileIO');
if($this->is_utf8) $content = "\xEF\xBB\xBF".$content;
$fio->writeFile($this->createFileName,$content);
return $content ;
}
}
//加载的文件就是为了,数据库连接
//需要数据库有 select 方法
/*
include_once(dirname(dirname(__FILE__))."/config/config.inc.php");
include_once(CLASSES_PATH."factryObject.class.php");
$db = factryObject::getDB('indexPush');
$c = new treeCache($db);
$c->make();
//exit();
//做分析
include_once("treeCache.data.php");
$treeCache=isset($treeCache) ? $treeCache : array();
$rootStr = isset($treeCache['root']) ? $treeCache['root'] : "";
echo parseTree($treeCache,$rootStr);
function parseTree($treeCache,$rootStr)
{
$tempStr = "";
$temp = explode(',',$rootStr);
foreach ($temp AS $cid)
{
$info = $treeCache[$cid];
$cidStr = $info['cid'];
$tempStr .= str_repeat('-',($info['depth']-1)*3);
$tempStr.=$info['title'];
if(empty($info['pid']))
{
//附加操作
}
$tempStr .= "
";
if(!empty($info['cid']))
$tempStr .=parseTree($treeCache,$info['cid']);
}
return $tempStr;
}
*/
?>
/**
* 功能: 根据条件建立分类缓存减少类别使用
* 创建日期:Thu May 31 15:55:11 CST 2007
* 最后更新:
* 作者: sanshi
*/
class treeCache
{
var $tableName = "index_category"; //表名
var $where = "1"; //where条件
var $pidStr ="i_c_pid"; //pid 的字段名
var $tempCode = array(); //生成文件的数组
var $pid = '0'; //pid的初始值
var $db ; //数据库句柄
var $idStr="i_c_id"; //取得的数据id
var $title = "i_c_cn"; //名字字段
var $createArrayName = "treeCache"; //建立的数组名字
var $createFileName =""; //建立文件的名字
var $appendArr = array(); //附加的属性,需要字段名与数据里的名对应
var $is_utf8 = false;
function treeCache()
{
}
function set($db)
{
$this->db = $db;
$this->tempCode[] = "}
//取得所有的一级
function getRootID()
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$this->pid}' AND {$this->where} ";
//exit($sql);
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
$this->tempCode[] = "\${$this->createArrayName}['root']='".implode(',',$temp)."';";
//print_r($temp);
return $temp;
}
//取得子id
function getChildren($pid)
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$pid}' AND {$this->where} ";
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
return $temp;
}
//取得夫id
function getParent($cid)
{
$sql = "SELECT {$this->pidStr} FROM {$this->tableName} WHERE
{$this->idStr}='{$cid}' AND {$this->where} ";
$result = $this->db->select($sql);
//print_r($result);exit();
return $result[0]["{$this->pidStr}"];
}
//取得上级的id
function getPidStr($cid,$pidStr="")
{
$pid=$this->getParent($cid);
$temp = array();
while ($pid!=$this->pid && !empty($pid)) {
$temp[] = $pid;
$pid=$this->getParent($pid);
}
//print_r($temp);
return implode(',',$temp);
}
//取得深度
function getDepth($cid,$depth=0)
{
$pid=$this->getParent($cid);
$depth++;
if( $pid != $this->pid && !empty($pid))
$depth = $this->getDepth($pid,$depth);
return $depth;
}
//建立文件
function make()
{
if(empty($this->createFileName))
$this->createFileName = "{$this->createArrayName}.data.php";
$rootArr = $this->getRootID();
$selectF = "{$this->idStr},{$this->title},{$this->pidStr}";
foreach ($this->appendArr as $app)
{
if(empty($app)) continue;
$selectF .=",{$app}";
}
$sql = "SELECT {$selectF} FROM {$this->tableName} WHERE
{$this->where}";
$result = $this->db->select($sql);
for ($i=0;$i
//id值
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['id']='{$result[$i]["{$this->idStr}"]}';";
//标题
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['title']='{$result[$i]["{$this->title}"]}';";
//父id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pid']='{$result[$i]["{$this->pidStr}"]}';";
//子id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['cid']='".implode(',',$this->getChildren($result[$i]["$this->idStr"]))."';";
//目录深度
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['depth']='".$this->getDepth($result[$i]["$this->idStr"])."';";
//父id的id串
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pstr']='".$this->getPidStr($result[$i]["$this->idStr"])."';";
//添加的附加属性
foreach ($this->appendArr as $app)
{
if(empty($app)) continue;
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['{$app}']='{$result[$i]["{$app}"]}';";
}
}
$this->tempCode[] = "return \${$this->createArrayName};";
$this->tempCode[] = "?>";
//$content = implode("\n",$this->tempCode);
//print_r($this->tempCode);
$content = implode("\n",$this->tempCode);
//建立文件
$fio=Factory::getBaseClass('FileIO');
if($this->is_utf8) $content = "\xEF\xBB\xBF".$content;
$fio->writeFile($this->createFileName,$content);
return $content ;
}
}
//加载的文件就是为了,数据库连接
//需要数据库有 select 方法
/*
include_once(dirname(dirname(__FILE__))."/config/config.inc.php");
include_once(CLASSES_PATH."factryObject.class.php");
$db = factryObject::getDB('indexPush');
$c = new treeCache($db);
$c->make();
//exit();
//做分析
include_once("treeCache.data.php");
$treeCache=isset($treeCache) ? $treeCache : array();
$rootStr = isset($treeCache['root']) ? $treeCache['root'] : "";
echo parseTree($treeCache,$rootStr);
function parseTree($treeCache,$rootStr)
{
$tempStr = "";
$temp = explode(',',$rootStr);
foreach ($temp AS $cid)
{
$info = $treeCache[$cid];
$cidStr = $info['cid'];
$tempStr .= str_repeat('-',($info['depth']-1)*3);
$tempStr.=$info['title'];
if(empty($info['pid']))
{
//附加操作
}
$tempStr .= "
";
if(!empty($info['cid']))
$tempStr .=parseTree($treeCache,$info['cid']);
}
return $tempStr;
}
*/
?>
这个类是改善过的,当初做这个的适合,只能是数字的作为数组下标,这次支持字母了
另外就是关于解析
view plaincopy to clipboardprint?
class parseTree
{
var $ads_type_file = "";
var $isX = false;
var $rowSize=2;
function parseTree()
{
$this->ads_type_file = CACHE_PATH."ads_type_arr.data.php";
$this->ads_city_file = CACHE_PATH."ads_city_arr.data.php";
}
function make_ads_type()
{
$db = Factory::getDB("ads_type");
$tree =Factory::getItemClass('treeCache');
$tree->set($db);
$tree->tableName=$db->tableName;
$tree->pidStr ="ads_type_pid";
$tree->idStr = "ads_type_id";
$tree->title = "ads_type_name";
$tree->createArrayName ="ads_type_arr";
$tree->where = " ads_type_state=1 ORDER BY ads_type_id DESC ";
$tree->appendArr = array("ads_type_info");
$tree->createFileName = $this->ads_type_file;
$tree->is_utf8 = true;
return $tree->make();
}
function get_ads_type_str()
{
$temp_arr = $this->get_ads_type_arr();
$treeArr = emptyempty($temp_arr) ? array() : $temp_arr;
$rootStr = isset($temp_arr['root']) ? $temp_arr['root'] : "";
$show_content = $this->__parseTree($treeArr,$rootStr,'pares_type_link');
return $show_content;
}
function get_ads_type_arr()
{
return is_file($this->ads_type_file) ? require($this->ads_type_file) : array();
}
function pares_type_link($info)
{
$class_name = "ads_type";
$tempStr = "[子-添加]";
$tempStr .="[编辑]";
$tempStr .="[删除]";
return $tempStr;
}
//根据提供的类别号取得类别数组
function get_type_arr($type_no=0)
{
$temp_arr = $this->get_ads_type_arr();
$rootStr = $type_no==0 ? (isset($temp_arr['root'])?$temp_arr['root'] : "") : (isset($temp_arr[$type_no]['cid'])?$temp_arr[$type_no]['cid']:"");
$temp = explode(',',$rootStr);
$return_temp = array();
foreach($temp as $cid)
{
if(isset($temp_arr[$cid])) $return_temp[$temp_arr[$cid]['id']]=$temp_arr[$cid]['title'];
}
return $return_temp;
}
function make_ads_city()
{
$db = Factory::getDB("ads_city");
$tree =Factory::getItemClass('treeCache');
$tree->set($db);
$tree->tableName=$db->tableName;
$tree->pidStr ="ads_city_pid";
$tree->idStr = "ads_city_no";
$tree->title = "ads_city_name";
$tree->createArrayName ="ads_city_arr";
$tree->where = " ads_city_state=1 ORDER BY ads_city_no DESC ";
$tree->appendArr = array("ads_city_info");
$tree->createFileName = $this->ads_city_file;
$tree->is_utf8 = true;
return $tree->make();
}
function get_ads_city_arr()
{
return is_file($this->ads_city_file) ? require($this->ads_city_file) : array();
}
function get_ads_city_str()
{
$temp_arr = $this->get_ads_city_arr();
$treeArr = emptyempty($temp_arr) ? array() : $temp_arr;
$rootStr = isset($temp_arr['root']) ? $temp_arr['root'] : "";
$show_content = $this->__parseTree($treeArr,$rootStr,'pares_city_link');
return $show_content;
}
function pares_city_link($info)
{
$class_name = "ads_city";
$tempStr = "[子-添加]";
$tempStr .="[编辑]";
$tempStr .="[删除]";
return $tempStr;
}
//根据提供的城市号取得城市数组
function get_city_arr($city_no=0)
{
$temp_arr = $this->get_ads_city_arr();
$rootStr = $city_no==0 ? (isset($temp_arr['root'])?$temp_arr['root'] : "") : (isset($temp_arr[$city_no])?$temp_arr[$city_no]:"");
$temp = explode(',',$rootStr);
$return_temp = array();
foreach($temp as $cid)
{
if(isset($temp_arr[$cid])) $return_temp[$temp_arr[$cid]['id']]=$temp_arr[$cid]['title'];
}
return $return_temp;
}
function __parseTree($treeCache,$rootStr,$fuc_str)
{
$tempStr = "";
$temp = explode(',',$rootStr);
if(emptyempty($temp)) return "";
$this->layer=0;
foreach ($temp AS $cid)
{
if(isset($treeCache[$cid]))
{
$info = $treeCache[$cid];
$cidStr = $info['cid'];
//如果下面有子id
if($info["cid"]!="")
{
$tempStr .="
$tempStr .= str_repeat(' ',($info['depth']-1)*3);
if($info["cid"]!="")
{
//$tempStr .="

}
//$tempStr .=">";
$tempStr.=$info['title'];
$tempStr .=$this->{$fuc_str}($info);
$tempStr .="
$tempStr .="
$tempStr .= $this->__parseTree($treeCache,$info['cid'],$fuc_str);
$tempStr .="
}else{
$this->layer++;
$tempStr .= str_repeat(' ',($info['depth']-1)*3);
$tempStr.=$info['title'];
$tempStr .=$this->{$fuc_str}($info);
if($this->isX==true)
{
if($this->layer % $this->rowSize ==0)
$tempStr .= "
";
else
$tempStr .= " ";
}else{
$tempStr .= "
";
}
}
}
}
return $tempStr;
}
}
?>

Alat AI Hot

Undresser.AI Undress
Apl berkuasa AI untuk mencipta foto bogel yang realistik

AI Clothes Remover
Alat AI dalam talian untuk mengeluarkan pakaian daripada foto.

Undress AI Tool
Gambar buka pakaian secara percuma

Clothoff.io
Penyingkiran pakaian AI

AI Hentai Generator
Menjana ai hentai secara percuma.

Artikel Panas

Alat panas

Notepad++7.3.1
Editor kod yang mudah digunakan dan percuma

SublimeText3 versi Cina
Versi Cina, sangat mudah digunakan

Hantar Studio 13.0.1
Persekitaran pembangunan bersepadu PHP yang berkuasa

Dreamweaver CS6
Alat pembangunan web visual

SublimeText3 versi Mac
Perisian penyuntingan kod peringkat Tuhan (SublimeText3)

Topik panas

Dalam bab ini, kita akan memahami Pembolehubah Persekitaran, Konfigurasi Umum, Konfigurasi Pangkalan Data dan Konfigurasi E-mel dalam CakePHP.

PHP 8.4 membawa beberapa ciri baharu, peningkatan keselamatan dan peningkatan prestasi dengan jumlah penamatan dan penyingkiran ciri yang sihat. Panduan ini menerangkan cara memasang PHP 8.4 atau naik taraf kepada PHP 8.4 pada Ubuntu, Debian, atau terbitan mereka

Untuk bekerja dengan tarikh dan masa dalam cakephp4, kami akan menggunakan kelas FrozenTime yang tersedia.

Untuk mengusahakan muat naik fail, kami akan menggunakan pembantu borang. Di sini, adalah contoh untuk muat naik fail.

Dalam bab ini, kita akan mempelajari topik berikut yang berkaitan dengan penghalaan ?

CakePHP ialah rangka kerja sumber terbuka untuk PHP. Ia bertujuan untuk menjadikan pembangunan, penggunaan dan penyelenggaraan aplikasi lebih mudah. CakePHP adalah berdasarkan seni bina seperti MVC yang berkuasa dan mudah difahami. Model, Pandangan dan Pengawal gu

Kod Visual Studio, juga dikenali sebagai Kod VS, ialah editor kod sumber percuma — atau persekitaran pembangunan bersepadu (IDE) — tersedia untuk semua sistem pengendalian utama. Dengan koleksi sambungan yang besar untuk banyak bahasa pengaturcaraan, Kod VS boleh menjadi c

Pengesah boleh dibuat dengan menambah dua baris berikut dalam pengawal.
